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 Textbook 1A: Unit 4: Subtraction within 10; Chapter 1: Making Subtraction Stories (p. 55) Unit 6: Numbers to 20; Chapter 2: Addition and Subtraction (p.87) Unit 6: Numbers to 20; Chapter 2: Addition and Subtraction (p. 94) Unit 7: Shapes; Chapter 1: Common Shapes (p. 105)Unit 10: Graphs; Review 10 (p. 140) Textbook 1B: Unit 11: Numbers to 40; Chapter 2: Tens and Ones (p. 15) Unit 11: Numbers to 40: Review 11A (p. 37) Unit 12: Multiplication; Chapter 1: Adding Equal Groups (p. 41) Unit 16: Numbers to 120; Chapter 5: Comparing Numbers (p. 93) Unit 16: Numbers to 120; Chapter 7: Subtraction Within 100 (p. 110) Textbook 2A: Unit 1: Numbers to 1,000; Chapter 2: Counting Within 1,000 (p. 17) Unit 1: Addition and Subtraction; Chapter 5: Subtraction With Renaming (p. 67) Unit 3: Length; Review 3 (p. 99) Unit 5: Multiplication Tables of 2 and 3; Chapter 1: Multiplication Table of 2 (p. 117) Unit 5: Multiplication Tables of 2 and 3; Chapter 5: Remainders (p. 133) Textbook 2B: Unit 6: Addition and Subtraction; Chapter 1: Finding the Missing Number (p. 12) Unit 7: Multiplication and Division: Review 7 (p. 42) Unit 8: Money; Chapter 3: Subtracting Money (p. 53) Unit 9: Fractions; Chapter 2: Writing Fractions (p. 64) Unit 12: Geometry; Chapter 2: Composite Figures (p. 100) Textbook 3A: Unit 2: Addition and Subtraction; Chapter 1: Mental Calculation (p. 34) Unit 3: Multiplication and Division; Chapter 2: More Word Problems (p. 93) Unit 3: Multiplication and Division; Chapter 3: Multiplying Ones, Tens, and Hundreds (p. 99) Unit 3: Multiplication and Division; Chapter 4: Quotient and Remainder (p. 109) Unit 5: Length; Review 5 (p. 169) Textbook 3B: Unit 6: Mass and Weight; Chapter 5: More Word Problems (p. 27) Unit 8: Money; Review 8 (p. 83) Unit 9: Fractions; Chapter 2: Equivalent Fractions (p. 94) Unit 9: Fractions; Chapter 3: Fractions and Measurement (p. 101) Unit 11: Data Analysis; Chapter 1: Presenting Data (p. 132) Textbook 4A: Unit 1 Whole Numbers; Chapter 4: Factors (pp. 27-29) Unit 2: The Four Operations of Whole Numbers; Chapter 1: Addition and Subtraction (p. 50) Unit 4: Operations on Fractions; Chapter 3: Multiplying a Fraction and a Whole Number (p. 121) Textbook 4B: Unit 6: Decimals; Chapter 1: Tenths (p. 8-9) Unit 6: Decimals; Chapter 2: Hundredths (p. 15) Unit 7: The Four Operations of Decimals; Chapter 1: Addition and Subtraction (p. 34) Unit 7: The Four Operations of Decimals; Chapter 1: Addition and Subtraction - Exercise 37 (p. 45) Textbook 5A: Unit 1: Whole Numbers; Chapter 4: Prime Factorization (pp. 19-20) Unit 3: Fractions; Chapter 3: Addition and Subtraction of Unlike Fractions (pp. 67-68) Unit 4: Multiply and Divide Fractions; More Word Problems (p. 115) Textbook 5B: Unit 7: Decimals; Chapter 5: Multiplication by Tens, Hundreds, or Thousands (pp. 28-30) Unit 10: Average, Plots, and Graphs; Chapter 4: Line Graphs(pp. 96-97) Workbook 1A: Unit 4: Subtraction within 10; Chapter 1: Making Subtraction Stories (p. 57) Unit 6: Numbers to 20; Chapter 2: Addition and Subtraction (p. 121) Unit 6: Numbers to 20; Chapter 2: Addition and Subtraction (p. 133) Unit 7: Shapes; Chapter 1: Common Shapes (p. 150)Unit 10: Graphs; Review 10 (p. 205) Workbook 1B: Unit 11: Numbers to 40; Chapter 2: Tens and Ones (p. 16) Unit 11: Numbers to 40: Review 11 (p. 52) Unit 12: Multiplication; Chapter 1: Adding Equal Groups (p. 53) Unit 16: Numbers to 120; Chapter 5: Comparing Numbers (p. 124) Unit 16: Numbers to 120; Chapter 7: Subtraction Within 100 (p. 149) Workbook 2A: Unit 1: Numbers to 1,000; Chapter 2: Counting Within 1,000 (p. 18) Unit 1: Addition and Subtraction; Chapter 5: Subtraction With Renaming (p. 74) Unit 3: Length; Review 3 (p. 110) Unit 5: Multiplication Tables of 2 and 3; Chapter 1: Multiplication Table of 2 (p. 151) Unit 5: Multiplication Tables of 2 and 3; Chapter 5: Remainders (p. 185) Workbook 2B: Unit 6: Addition and Subtraction; Chapter 1: Finding the Missing Number (p. 9) Unit 7: Multiplication and Division: Review 7 (p. 62) Unit 8: Money; Chapter 3: Subtracting Money (p. 87) Unit 9: Fractions; Chapter 2: Writing Fractions (p. 111) Unit 12: Geometry; Chapter 2: Composite Figures (p. 153) Workbook 3A: Unit 2: Addition and Subtraction; Chapter 1: Mental Calculation (p. 33) Unit 3: Multiplication and Division; Chapter 2: More Word Problems (p. 94) Unit 3: Multiplication and Division; Chapter 3: Multiplying Ones, Tens, and Hundreds (p. 101) Unit 3: Multiplication and Division; Chapter 4: Quotient and Remainder (p. 110) Unit 5: Length; Review 5 (p. 194) Workbook 3B: Unit 6: Mass and Weight; Review 6 (p. 36) Unit 8: Money; Review 8 (p. 79) Unit 9: Fractions; Chapter 2: Equivalent Fractions (p. 97) Unit 9: Fractions; Chapter 3: Fractions and Measurement (p. 106) Unit 11: Data Analysis; Chapter 1: Presenting Data (p. 146) Workbook 4A: Unit 1 Whole Numbers; Chapter 4: Factors (pp. 23-24) Unit 2: The Four Operations of Whole Numbers; Chapter 1: Addition and Subtraction (p. 50) Unit 2: The Four Operations of Whole Numbers; Review 2 (p. 75) Unit 4: Operations on Fractions; Review 4 (p. 152) Workbook 4B: Unit 6: Decimals; Chapter 1: Tenths (p. 7-8) Unit 6: Decimals; Chapter 2: Hundredths (p. 22) Unit 7: The Four Operations of Decimals; Chapter 1: Addition and Subtraction (p. 46) Unit 7: The Four Operations of Decimals; Review 7 (p. 84) Workbook 5A: Unit 1: Whole Numbers; Chapter 4: Prime Factorization (p. 15) Unit 3: Fractions; Chapter 3: Addition and Subtraction of Unlike Fractions (pp. 69-70) Unit 4: Multiply and Divide Fractions; More Word Problems (pp. 128-129) Workbook 5B: Unit 7: Decimals; Chapter 5: Multiplication by Tens, Hundreds, or Thousands (p. 17) Unit 10: Average, Plots, and Graphs; Chapter 4: Line Graphs(pp. 79-81) Unit 11: Angles, Triangles, and Quadrilaterals; Review 11 (p. 120)

### Primary Mathematics Common CoreChallenging Word Problems

 Extra Practice 1: Unit 4: Subtraction Within 10: Friendly Notes (pp. 27-28) Unit 4: Subtraction Within 10: Exercise 1B: Making Subtraction Stories (p. 33) Unit 4: Subtraction Within 10: Exercise 2B: Methods of Subtraction (p. 40) Unit 4: Subtraction Within 10: Exercise 2C: Methods of Subtraction (p. 42) Extra Practice 2: Unit 6: Addition and Subtraction: Friendly Notes (pp. 93-94) Unit 6: Addition and Subtraction: Exercise 1: Finding the Missing Number (pp. 97-98) Unit 6: Addition and Subtraction: Exercise 3: Methods for Mental Subtraction (p. 102) Extra Practice 3: Unit 3: Multiplication and Division: Friendly Notes (pp. 43-44) Unit 3: Multiplication and Division: Exercise 2: More Word Problems (pp. 53-54) Unit 3: Multiplication and Division: Exercise 3: Multiplying Ones, Tens, and Hundreds (p. 55) Extra Practice 4: Unit 4: Operations on Fractions: Friendly Notes (pp. 55-56) Unit 3: Multiplication and Division: Exercise 2: More Word Problems (pp. 53-54) Unit 4: Operations on Fractions: Exercise 4: Fraction of a Set (pp. 67-68) Extra Practice 5: Unit 9: Volume: Friendly Notes (pp. 163-164) Unit 9: Volume: Exercise 1: Volume of Rectangular Prisms (pp. 168, 169, 172) Challenging Word Problems 1: Chapter 1: Number Bonds; Practice Questions (p. 7) Chapter 4: Ordinal Numbers; Challenging Problems (p. 51) Chapter 6: Subtraction Within 20; Challenging Problems (p. 66) Chapter 7: Shapes and Patterns; Practice Questions (p. 76) Chapter 8: Length; Challenging Problems (p.98) Challenging Word Problems 2: Chapter 1: Addition and Subtraction; Worked Example 2 (p. 2) Chapter 1: Addition and Subtraction; Practice Questions (p. 5) Chapter 11: Shapes and Patterns; Worked Example 2 (p. 131) Chapter 11: Shapes and Patterns; Challenging Problems (p. 138) Chapter 13: Review Questions 2; Challenging Problems (p. 155)(p.98) Challenging Word Problems 3: Chapter 1: Addition and Subtraction; Worked Example 3 (p. 3) Chapter 1: Addition and Subtraction; Challenging Problems (p. 8) Chapter 9: Time; Worked Example 1 (p. 103) Chapter 10: Data Analysis; Practice Questions (p. 123) Answers (p. 228) Challenging Word Problems 4: Chapter 1: Whole Numbers; Worked Examples 1 and 2 (p. 8) Chapter 1: Whole Numbers; Challenging Problems (p. 12) Chapter 2: The Four Operations of Whole Numbers; Worked Example 1 (p. 21) Chapter 13: Review Questions 1; Practice Questions (p. 172) Chapter 15: Review Questions 3; Challenging Problems (p. 199) Challenging Word Problems 5: Chapter 2: Fractions; Worked Example 1 (p. 16) Chapter 2: Fractions; Challenging Problems (p. 18) Chapter 3: Area and Perimeter; Worked Example 2 (p. 30) Chapter 3: Area and Perimeter; Challenging Problems (p. 35) Answers (p. 185) 