Organization: Houghton Mifflin Harcourt Product Name: HMH NA Math in Focus CCSS Common Cartridge 6 Year Grade 2 Thin-CCv1-3 Product Version: 1 Source: IMS Online Validator Profile: t1.3.0 Identifier: HMH_HMH_NA_Math_in_Focus_CCSS_Common_Cartridge_6_Year_Grade_2_Thin_1_3 Timestamp: Monday, March 30, 2020 05:25 AM EDT Status: VALID! Conformant: true ----- VALID! ----- Resource Validation Results The document is valid. ----- VALID! ----- Schema Location Results Schema locations are valid. ----- VALID! ----- Schema Validation Results The document is valid. ----- VALID! ----- Schematron Validation Results The document is valid. Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.6 - 1C1DA20C-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.OA.C.5 - A65A4396-6F89-11DF-BAEE-EA329DFF4B22 MA.2.CCSS.Math.Content.2.NBT.B.8 - 1C21468C-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.C.7 - 6A5EC4A8-6EC0-11DF-AB2D-366B9DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.2b - 1CAEC8AE-7053-11DF-8EBF-BE719DFF4B22 MA.5.CCSS.Math.Content.5.NBT.A.3 - 1DB4070A-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.NBT.B.3 - A6644EF4-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.3 - 1CB15556-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.MD.B.5 - 1C2F57FE-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.OA.D.8 - 1C9077BE-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.OA.A.1 - 1BD4F4C6-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.G.A.2 - 1C4ECCBA-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.MD.A.2 - 6A66B26C-6EC0-11DF-AB2D-366B9DFF4B22 MA.4.CCSS.Math.Content.4.NF.B.4c - 1D64E8DC-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.A.2 - 6A5A1ADE-6EC0-11DF-AB2D-366B9DFF4B22 MA.2.CCSS.Math.Content.2.MD.A.4 - 1C2BFE2E-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.MD.B.6 - 1C344980-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.OA.A.1 - 6A602AFA-6EC0-11DF-AB2D-366B9DFF4B22 MA.1.CCSS.Math.Content.1.NBT.B.2a - A662DBBE-6F89-11DF-BAEE-EA329DFF4B22 MA.4.CCSS.Math.Content.4.MD.A.2 - 1D78FB56-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.1 - 1CAA2D6C-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.OA.C.3 - 1BE46B0E-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.NBT.B.9 - 1C22EFFA-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.B.4c - 6A5CE598-6EC0-11DF-AB2D-366B9DFF4B22 MA.1.CCSS.Math.Content.1.NBT.B.2c - A663CE8E-6F89-11DF-BAEE-EA329DFF4B22 MA.4.CCSS.Math.Content.4.NBT.A.2 - 1D40416C-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.NBT.A.1 - A66048CC-6F89-11DF-BAEE-EA329DFF4B22 MA.2.CCSS.Math.Content.2.MD.D.9 - 1C426BAA-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.MD.D.10 - 1C461F20-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.OA.A.4 - 1C71E10A-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NF.B.3 - 1D51B0E6-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.OA.A.2 - A6560772-6F89-11DF-BAEE-EA329DFF4B22 MA.4.CCSS.Math.Content.4.OA.A.3 - 1D2F3E58-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.OA.C.6 - A65B50C4-6F89-11DF-BAEE-EA329DFF4B22 MA.5.CCSS.Math.Content.5.OA.A.2 - 1DA33B6E-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NF.C.6 - 1D6C8830-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.A.1 - 6A59A66C-6EC0-11DF-AB2D-366B9DFF4B22 MA.2.CCSS.Math.Content.2.MD.C.8 - 1C3BC548-7053-11DF-8EBF-BE719DFF4B22 MA.5.CCSS.Math.Content.5.OA.A.1 - 1DA19174-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.NBT.A.1a - 1BFEE3E4-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.NBT.B.2 - A661A6CC-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.3d - 1CBB7252-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NF.B.3a - 1D537C0A-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NF.C.7 - 1D6F45FC-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.NBT.A.1b - 1C04AC98-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.MD.A.1 - 1C273042-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.OA.B.2 - 1BDADC38-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.OA.D.8 - A65D81F0-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.3b - 1CB4FD64-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.G.A.3 - 1C5052C4-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.2 - 1CABA106-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.OA.D.7 - A65C6E3C-6F89-11DF-BAEE-EA329DFF4B22 MA.K.CCSS.Math.Content.K.CC.B.4a - 6A5BF44E-6EC0-11DF-AB2D-366B9DFF4B22 MA.K.CCSS.Math.Content.K.G.A.2 - 6A69772C-6EC0-11DF-AB2D-366B9DFF4B22 MA.1.CCSS.Math.Content.1.NBT.C.5 - A665D116-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.2a - 1CAD407E-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.MD.A.1 - 1CC31A8E-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.3c - 1CB74646-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.NF.A.3a - 1CB3397A-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.NBT.A.1 - 1C9F81E6-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.G.A.1 - A66BE8BC-6F89-11DF-BAEE-EA329DFF4B22 MA.5.CCSS.Math.Content.5.NBT.A.2 - 1DB21288-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.NBT.A.2 - 1C084592-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NBT.B.6 - 1D470AC4-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NBT.A.1 - 1D3D00EC-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.OA.A.1 - A654C16E-6F89-11DF-BAEE-EA329DFF4B22 MA.2.CCSS.Math.Content.2.NBT.A.1 - 1BFAB47C-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.MD.A.1 - 1D7521F2-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.MD.A.2 - 1C28D5BE-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.OA.A.2 - 1C69E356-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NF.B.3b - 1D552AF0-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.MD.B.4 - 1D822EC4-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NBT.B.5 - 1D45D410-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.B.4 - 6A5B8158-6EC0-11DF-AB2D-366B9DFF4B22 MA.2.CCSS.Math.Content.2.NBT.A.4 - 1C0EB29C-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.B.4b - 6A5C6F1E-6EC0-11DF-AB2D-366B9DFF4B22 MA.4.CCSS.Math.Content.4.OA.A.2 - 1D2D9580-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.NBT.A.3 - 1C0A9220-7053-11DF-8EBF-BE719DFF4B22 MA.5.CCSS.Math.Content.5.NBT.A.1 - 1DB01910-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.G.A.2 - 1D15A9E8-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.OA.B.5 - 1C7AACCC-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.NBT.B.5 - 1C1A5BD8-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.NBT.C.6 - A66659B0-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.MD.A.2 - 1CC5CF22-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.OA.A.2 - 6A609FC6-6EC0-11DF-AB2D-366B9DFF4B22 MA.1.CCSS.Math.Content.1.OA.B.3 - A657F942-6F89-11DF-BAEE-EA329DFF4B22 MA.4.CCSS.Math.Content.4.NF.A.2 - 1D4DAAD2-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.OA.C.7 - 1C8B79DA-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.NBT.B.7 - 1C1FCA5A-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NF.C.5 - 1D69D842-7053-11DF-8EBF-BE719DFF4B22 MA.4.CCSS.Math.Content.4.NF.A.1 - 1D4C574A-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.B.5 - 6A5D645A-6EC0-11DF-AB2D-366B9DFF4B22 MA.3.CCSS.Math.Content.3.OA.A.3 - 1C6EE16C-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.G.B.4 - 6A6ADFB8-6EC0-11DF-AB2D-366B9DFF4B22 MA.1.CCSS.Math.Content.1.OA.B.4 - A658F1E4-6F89-11DF-BAEE-EA329DFF4B22 MA.1.CCSS.Math.Content.1.MD.A.1 - A667E604-6F89-11DF-BAEE-EA329DFF4B22 MA.1.CCSS.Math.Content.1.NBT.C.4 - A6654E08-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.OA.B.6 - 1C866120-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.MD.A.1 - 6A663DDC-6EC0-11DF-AB2D-366B9DFF4B22 MA.4.CCSS.Math.Content.4.NF.B.3d - 1D5B69BA-7053-11DF-8EBF-BE719DFF4B22 MA.K.CCSS.Math.Content.K.CC.A.3 - 6A5A8ECE-6EC0-11DF-AB2D-366B9DFF4B22 MA.5.CCSS.Math.Content.5.NF.B.7c - 1DE4813C-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.G.A.3 - A66CE028-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.OA.A.1 - 1C647CF4-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.MD.A.3 - 1C2A6244-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.MD.B - A668E6E4-6F89-11DF-BAEE-EA329DFF4B22 MA.2.CCSS.Math.Content.2.OA.C.4 - 1BE827A8-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.G.A.1 - 1C4D20EA-7053-11DF-8EBF-BE719DFF4B22 MA.1.CCSS.Math.Content.1.MD.B.3 - A6696704-6F89-11DF-BAEE-EA329DFF4B22 MA.3.CCSS.Math.Content.3.NBT.A.2 - 1CA1FF34-7053-11DF-8EBF-BE719DFF4B22 MA.2.CCSS.Math.Content.2.MD.C.7 - 1C393E2C-7053-11DF-8EBF-BE719DFF4B22 MA.3.CCSS.Math.Content.3.NBT.A.3 - 1CA3F7D0-7053-11DF-8EBF-BE719DFF4B22 List of all Files Validated: imsmanifest.xml Title: HMH NA Math in Focus CCSS Common Cartridge 6 Year Grade 2 Catalog: ISBN Identifier: 9780358435044 Grade-Level Resources Assessment Assessment Guide-Assessment Guide Teacher Edition Copyright and Preface (G2) publisher: Houghton Mifflin Harcourt Intended Role: teacher Differentiation — Enrichment Enrichment-1.1 Counting to 1,000 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.1a MA.2.CCSS.Math.Content.2.NBT.A.2 MA.2.CCSS.Math.Content.2.NBT.A.3 Intended Role: student Enrichment-1.2 Place Value (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.2 MA.2.CCSS.Math.Content.2.NBT.A.1 MA.2.CCSS.Math.Content.2.NBT.A.1b MA.2.CCSS.Math.Content.2.NBT.A.3 Intended Role: student Enrichment-1.3 Comparing and Ordering Numbers (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.4 Intended Role: student Enrichment-1.4 Number Patterns (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.8 Intended Role: student Enrichment-2.1 Adding Fluently Within 100 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.5 MA.2.CCSS.Math.Content.2.OA.B.2 MA.2.CCSS.Math.Content.2.NBT.B.8 Intended Role: student Enrichment-2.2 Adding Without Regrouping (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-2.3 Adding with Regrouping in Ones (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-2.4 Adding with Regrouping in Tens (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-2.5 Adding and Regrouping in Ones and Tens (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-2.6 Adding Four 2-Digit Numbers (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.9 MA.2.CCSS.Math.Content.2.NBT.B.6 Intended Role: student Enrichment-3.1 Subtracting Fluently Within 100 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.5 MA.2.CCSS.Math.Content.2.OA.B.2 Intended Role: student Enrichment-3.2 Subtracting Without Regrouping (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-3.3 Subtracting with Regrouping in Tens and Ones (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-3.4 Subtracting with Regrouping in Hundreds and Tens (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-3.5 Subtracting with Regrouping in Hundreds, Tens, and Ones (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-3.6 Subtracting Across Zeros (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: student Enrichment-4.1 Using Part-Whole in Addition and Subtraction (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: student Enrichment-4.2 Adding On and Taking Away Sets (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: student Enrichment-4.3 Comparing Two Sets (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: student Enrichment-4.4 Real-World Problems: Two-Step Problems (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: student Enrichment-5.1 Measuring in Meters (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: student Enrichment-5.2 Measuring in Centimeters (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: student Enrichment-5.3 Comparing and Ordering Metric Lengths (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.4 Intended Role: student Enrichment-5.4 Real-World Problems: Addition and Subtraction of Metric Lengths (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.B.5 Intended Role: student Enrichment-5.5 Measuring in Feet (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: student Enrichment-5.6 Measuring in Inches (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: student Enrichment-5.7 Comparing and Ordering Customary Lengths (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.4 MA.2.CCSS.Math.Content.2.MD.A.2 Intended Role: student Enrichment-5.8 Real-World Problems: Addition and Subtraction of Customary Lengths (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.B.5 MA.2.CCSS.Math.Content.2.MD.B.6 Intended Role: student Enrichment-6.1 Measuring in Kilograms (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: student Enrichment-6.2 Measuring in Grams (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: student Enrichment-6.3 Comparing Masses in Kilograms and Grams (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: student Enrichment-6.4 Real-World Problems: Addition and Subtraction of Masses (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: student Enrichment-7.1 Picture Graphs (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.D.10 Intended Role: student Enrichment-7.2 Bar Graphs (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.D.10 Intended Role: student Enrichment-7.3 Line Plots (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.D.9 Intended Role: student Enrichment-8.1 How to Multiply (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.2.CCSS.Math.Content.2.OA.C.4 Intended Role: student Enrichment-8.2 How to Divide (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.2 Intended Role: student Enrichment-8.3 Real-World Problems: Multiplication and Division (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.A.2 MA.3.CCSS.Math.Content.3.OA.A.3 MA.2.CCSS.Math.Content.2.OA.C.4 Intended Role: student Enrichment-8.4 Odd and Even Numbers (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.OA.C.3 Intended Role: student Enrichment-9.1 Multiply by 2 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: student Enrichment-9.2 Multiply by 5 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: student Enrichment-9.3 Multiply by 10 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: student Enrichment-9.4 Multiply by 3 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: student Enrichment-9.5 Multiply by 4 (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: student Enrichment-9.6 Multiplying Numbers in Any Order (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: student Enrichment-9.7 Dividing Using Multiplication Facts (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.C.7 Intended Role: student Enrichment-10.1 Reading and Writing Time (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.7 Intended Role: student Enrichment-10.2 Using A.M. and P.M. (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.7 Intended Role: student Enrichment-10.3 Bills (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: student Enrichment-10.4 Comparing Amounts of Money (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: student Enrichment-10.5 Real-World Problems: Money (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: student Enrichment-11.1 Lines and Surfaces (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: student Enrichment-11.2 Flat Shapes (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.3 MA.2.CCSS.Math.Content.2.G.A.2 MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: student Enrichment-11.3 Solid Shapes (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: student Reteach-8.1 Addition Without Regrouping (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.C.4 Intended Role: student Answer and Solution Keys Enrichment-1.1 Counting to 1,000 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.1a MA.2.CCSS.Math.Content.2.NBT.A.2 MA.2.CCSS.Math.Content.2.NBT.A.3 Intended Role: teacher Enrichment-1.2 Place Value — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.2 MA.2.CCSS.Math.Content.2.NBT.A.1 MA.2.CCSS.Math.Content.2.NBT.A.1b MA.2.CCSS.Math.Content.2.NBT.A.3 Intended Role: teacher Enrichment-1.3 Comparing and Ordering Numbers — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.4 Intended Role: teacher Enrichment-1.4 Number Patterns — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.8 Intended Role: teacher Enrichment-Chapter 1: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.1 Intended Role: teacher Enrichment-2.1 Adding Fluently Within 100 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.5 MA.2.CCSS.Math.Content.2.OA.B.2 MA.2.CCSS.Math.Content.2.NBT.B.8 Intended Role: teacher Enrichment-2.2 Adding Without Regrouping — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-2.3 Adding with Regrouping in Ones — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-2.4 Adding with Regrouping in Tens — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-2.5 Adding and Regrouping in Ones and Tens — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-2.6 Adding Four 2-Digit Numbers — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.9 MA.2.CCSS.Math.Content.2.NBT.B.6 Intended Role: teacher Enrichment-Chapter 2: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 Intended Role: teacher Enrichment-3.1 Subtracting Fluently Within 100 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.5 MA.2.CCSS.Math.Content.2.OA.B.2 Intended Role: teacher Enrichment-3.2 Subtracting Without Regrouping — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-3.3 Subtracting with Regrouping in Tens and Ones — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-3.4 Subtracting with Regrouping in Hundreds and Tens — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-3.5 Subtracting with Regrouping in Hundreds, Tens, and Ones — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-3.6 Subtracting Across Zeros — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Enrichment-Chapter 3: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 Intended Role: teacher Enrichment-4.1 Using Part-Whole in Addition and Subtraction — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Enrichment-4.2 Adding On and Taking Away Sets — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Enrichment-4.3 Comparing Two Sets — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Enrichment-4.4 Real-World Problems: Two-Step Problems — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Enrichment-Chapter 4: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Enrichment-5.1 Measuring in Meters — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: teacher Enrichment-5.2 Measuring in Centimeters — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: teacher Enrichment-5.3 Comparing and Ordering Metric Lengths — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.4 Intended Role: teacher Enrichment-5.4 Real-World Problems: Addition and Subtraction of Metric Lengths — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.B.5 Intended Role: teacher Enrichment-5.5 Measuring in Feet — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: teacher Enrichment-5.6 Measuring in Inches — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.1 MA.2.CCSS.Math.Content.2.MD.A.3 Intended Role: teacher Enrichment-5.7 Comparing and Ordering Customary Lengths — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.A.4 MA.2.CCSS.Math.Content.2.MD.A.2 Intended Role: teacher Enrichment-5.8 Real-World Problems: Addition and Subtraction of Customary Lengths — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.B.5 MA.2.CCSS.Math.Content.2.MD.B.6 Intended Role: teacher Enrichment-Chapter 5: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.B.5 Intended Role: teacher Enrichment-6.1 Measuring in Kilograms — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: teacher Enrichment-6.2 Measuring in Grams — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: teacher Enrichment-6.3 Comparing Masses in Kilograms and Grams — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: teacher Enrichment-6.4 Real-World Problems: Addition and Subtraction of Masses — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: teacher Enrichment-Chapter 6: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.MD.A.2 Intended Role: teacher Enrichment-7.1 Picture Graphs — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.D.10 Intended Role: teacher Enrichment-7.2 Bar Graphs — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.D.10 Intended Role: teacher Enrichment-7.3 Line Plots — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.D.9 Intended Role: teacher Enrichment-Chapter 7: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.D.10 Intended Role: teacher Enrichment-8.1 How to Multiply — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.2.CCSS.Math.Content.2.OA.C.4 Intended Role: teacher Enrichment-8.2 How to Divide — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.2 Intended Role: teacher Enrichment-8.3 Real-World Problems: Multiplication and Division — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.A.2 MA.3.CCSS.Math.Content.3.OA.A.3 MA.2.CCSS.Math.Content.2.OA.C.4 Intended Role: teacher Enrichment-8.4 Odd and Even Numbers — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.OA.C.3 Intended Role: teacher Enrichment-Chapter 8: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.OA.C.4 Intended Role: teacher Enrichment-9.1 Multiply by 2 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: teacher Enrichment-9.2 Multiply by 5 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: teacher Enrichment-9.3 Multiply by 10 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: teacher Enrichment-9.4 Multiply by 3 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: teacher Enrichment-9.5 Multiply by 4 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: teacher Enrichment-9.6 Multiplying Numbers in Any Order — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: teacher Enrichment-9.7 Dividing Using Multiplication Facts — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.C.7 Intended Role: teacher Enrichment-Chapter 9: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.4 Intended Role: teacher Enrichment-10.1 Reading and Writing Time — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.7 Intended Role: teacher Enrichment-10.2 Using A.M. and P.M. — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.7 Intended Role: teacher Enrichment-10.3 Bills — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: teacher Enrichment-10.4 Comparing Amounts of Money — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: teacher Enrichment-10.5 Real-World Problems: Money — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: teacher Enrichment-Chapter 10: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.7 MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: teacher Enrichment-11.1 Lines and Surfaces — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: teacher Enrichment-11.2 Flat Shapes — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.3 MA.2.CCSS.Math.Content.2.G.A.2 MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: teacher Enrichment-11.3 Solid Shapes — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: teacher Enrichment-Chapter 11: Put On Your Thinking Cap! — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.2 MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: teacher Extra Practice and Homework-1.5 Order Numbers to 5 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.A.2 Intended Role: teacher Extra Practice and Homework-2.4 Order Numbers to 10 – Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.A.2 Intended Role: teacher Extra Practice and Homework-4.4 Compare Numbers to 10 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.B.4c MA.K.CCSS.Math.Content.K.CC.C.7 Intended Role: teacher Extra Practice and Homework-5.6 Shape Patterns — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.G.B.4 Intended Role: teacher Extra Practice and Homework-6.1 Numbers 11 to 13 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.B.5 MA.K.CCSS.Math.Content.K.CC.B.4b MA.K.CCSS.Math.Content.K.CC.A.3 MA.K.CCSS.Math.Content.K.CC.B.4 MA.K.CCSS.Math.Content.K.CC.B.4a Intended Role: teacher Extra Practice and Homework-6.2 Numbers 14 to 16 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.B.5 MA.K.CCSS.Math.Content.K.CC.B.4b MA.K.CCSS.Math.Content.K.CC.A.3 MA.K.CCSS.Math.Content.K.CC.B.4 MA.K.CCSS.Math.Content.K.CC.B.4a Intended Role: teacher Extra Practice and Homework-6.3 Numbers 17 to 20 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.B.5 MA.K.CCSS.Math.Content.K.CC.B.4b MA.K.CCSS.Math.Content.K.CC.A.3 MA.K.CCSS.Math.Content.K.CC.B.4 MA.K.CCSS.Math.Content.K.CC.B.4a Intended Role: teacher Extra Practice and Homework-6.4 Compose and Decompose Numbers to 20 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.A.2 Intended Role: teacher Extra Practice and Homework-7.4 Add Within 10 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.OA.A.2 Intended Role: teacher Extra Practice and Homework-7.5 Addition Sentences — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.OA.A.1 MA.K.CCSS.Math.Content.K.OA.A.2 Intended Role: teacher Extra Practice and Homework-8.4 Subtract Within 10 — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.OA.A.2 Intended Role: teacher Extra Practice and Homework-8.5 Subtraction Sentences — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.OA.A.1 MA.K.CCSS.Math.Content.K.OA.A.2 Intended Role: teacher Extra Practice and Homework-9.4 Number Patterns — Answer Key (GK) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.K.CCSS.Math.Content.K.CC.A.2 Intended Role: teacher Extra Practice and Homework-1.3 Number Patterns — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.C.5 Intended Role: teacher Extra Practice and Homework-2.1 Making Number Bonds — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.C.6 Intended Role: teacher Extra Practice and Homework-2.2 Ways to Add — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.B.3 MA.1.CCSS.Math.Content.1.OA.C.5 MA.1.CCSS.Math.Content.1.OA.C.6 Intended Role: teacher Extra Practice and Homework-2.4 Real-World Problems: Addition — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.A.1 Intended Role: teacher Extra Practice and Homework-2.5 Ways to Subtract — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.B.4 MA.1.CCSS.Math.Content.1.OA.C.5 MA.1.CCSS.Math.Content.1.OA.C.6 Intended Role: teacher Extra Practice and Homework-2.7 Real-World Problems: Subtraction — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.A.1 Intended Role: teacher Extra Practice and Homework-3.1 Exploring Flat Shapes — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.G.A.1 MA.1.CCSS.Math.Content.1.G.A.3 Intended Role: teacher Extra Practice and Homework-4.4 Number Patterns — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.C.5 MA.1.CCSS.Math.Content.1.OA.C.6 Intended Role: teacher Extra Practice and Homework-5.2 Ways to Subtract Fluently - Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.C.5 MA.1.CCSS.Math.Content.1.OA.D.8 MA.1.CCSS.Math.Content.1.OA.C.6 Intended Role: teacher Extra Practice and Homework-5.3 Real-World Problems: Addition and Subtraction - Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.A.1 Intended Role: teacher Extra Practice and Homework-6.3 Comparing, Ordering, and Number Patterns — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.B.3 Intended Role: teacher Extra Practice and Homework-7.2 Telling Time to the Hour — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.MD.B.3 Intended Role: teacher Extra Practice and Homework-7.3 Telling Time to the Half Hour — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.MD.B.3 Intended Role: teacher Extra Practice and Homework-8.1 Addition Without Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.C.4 Intended Role: teacher Extra Practice and Homework-8.2 Addition With Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.C.4 Intended Role: teacher Extra Practice and Homework-8.3 Subtraction Without Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.C.6 Intended Role: teacher Extra Practice and Homework-8.4 Subtraction With Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 Intended Role: teacher Extra Practice and Homework-8.5 Real-World Problems: Addition and Subtraction — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.OA.A.1 MA.1.CCSS.Math.Content.1.OA.C.6 Intended Role: teacher Extra Practice and Homework-8.6 Getting Ready for Multiplication — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.OA.C.3 MA.1.CCSS.Math.Content.1.OA.C.6 MA.2.CCSS.Math.Content.2.OA.C.4 Intended Role: teacher Extra Practice and Homework-10.1 Counting to 120 — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.A.1 Intended Role: teacher Extra Practice and Homework-10.2 Place Value — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.B.2 MA.1.CCSS.Math.Content.1.NBT.B.2c Intended Role: teacher Extra Practice and Homework-10.3 Comparing, Ordering, and Number Patterns — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.B.3 Intended Role: teacher Extra Practice and Homework-11.1 Addition Without Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.C.4 Intended Role: teacher Extra Practice and Homework-11.2 Addition With Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.C.4 Intended Role: teacher Extra Practice and Homework-11.3 Subtraction Without Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.1.CCSS.Math.Content.1.NBT.C.5 MA.1.CCSS.Math.Content.1.NBT.C.6 Intended Role: teacher Extra Practice and Homework-11.4 Subtraction With Regrouping — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 Intended Role: teacher Extra Practice and Homework-13.1 Penny, Nickel, and Dime — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: teacher Extra Practice and Homework-13.2 Quarter — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: teacher Extra Practice and Homework-13.3 Counting Money — Answer Key (G1) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.C.8 Intended Role: teacher Extra Practice and Homework-1.1 Counting to 1,000 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.1a MA.2.CCSS.Math.Content.2.NBT.A.2 MA.2.CCSS.Math.Content.2.NBT.A.3 Intended Role: teacher Extra Practice and Homework-1.2 Place Value — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.2 MA.2.CCSS.Math.Content.2.NBT.A.1 MA.2.CCSS.Math.Content.2.NBT.A.1b MA.2.CCSS.Math.Content.2.NBT.A.3 Intended Role: teacher Extra Practice and Homework-1.3 Comparing and Ordering Numbers — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.A.4 Intended Role: teacher Extra Practice and Homework-1.4 Number Patterns — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.8 Intended Role: teacher Extra Practice and Homework-2.5 Adding and Regrouping in Ones and Tens – Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Extra Practice and Homework-3.1 Subtracting Fluently Within 100 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.5 MA.2.CCSS.Math.Content.2.OA.B.2 Intended Role: teacher Extra Practice and Homework-3.4 Subtracting with Regrouping in Hundreds and Tens — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Extra Practice and Homework-3.5 Subtracting with Regrouping in Hundreds, Tens, and Ones — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.NBT.B.9 Intended Role: teacher Extra Practice and Homework-4.1 Using Part-Whole in Addition and Subtraction — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Extra Practice and Homework-4.2 Adding On and Taking Away Sets — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Extra Practice and Homework-4.3 Comparing Two Sets — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Extra Practice and Homework-4.4 Real-World Problems: Two-Step Problems — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.NBT.B.7 MA.2.CCSS.Math.Content.2.OA.A.1 Intended Role: teacher Extra Practice and Homework-5.8 Real-World Problems: Addition and Subtraction of Customary Lengths — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.MD.B.5 Intended Role: teacher Extra Practice and Homework-8.1 How to Multiply — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.2.CCSS.Math.Content.2.OA.C.4 Intended Role: teacher Extra Practice and Homework-8.2 How to Divide — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.2 Intended Role: teacher Extra Practice and Homework-9.1 Multiply by 2 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: teacher Extra Practice and Homework-9.2 Multiply by 5 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: teacher Extra Practice and Homework-9.3 Multiply by 10 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 Intended Role: teacher Extra Practice and Homework-9.4 Multiply by 3 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: teacher Extra Practice and Homework-9.5 Multiply by 4 — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.A.1 MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: teacher Extra Practice and Homework-9.6 Multiplying Numbers in Any Order — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.B.5 Intended Role: teacher Extra Practice and Homework-9.7 Dividing Using Multiplication Facts — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.OA.C.7 MA.3.CCSS.Math.Content.3.OA.A.2 Intended Role: teacher Extra Practice and Homework-11.2 Flat Shapes — Answer Key (G2) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.2.CCSS.Math.Content.2.G.A.3 MA.2.CCSS.Math.Content.2.G.A.2 MA.2.CCSS.Math.Content.2.G.A.1 Intended Role: teacher Extra Practice and Homework-1.1 Counting to 10,000 — Answer Key (G3) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.NBT.A.1 Intended Role: teacher Extra Practice and Homework-1.2 Place Value — Answer Key (G3) publisher: Houghton Mifflin Harcourt Curriculum Standards: MA.3.CCSS.Math.Content.3.NBT.A.1