# Dimensions Math Textbook 4A

**Dimensions Math ^{®} Textbook 4A**

Chapter 1: Numbers to One Million

Lesson 2: Numbers to 1,000,000

Lesson 3: Number Patterns

Lesson 4: Comparing and Ordering Numbers

Lesson 5: Rounding 5-Digit Numbers

Lesson 6: Rounding 6-Digit Numbers

Lesson 7: Calculations and Place Value

Lesson 8: Practice

Chapter 2: Addition and Subtraction

Lesson 1: Addition

Lesson 2: Subtraction

Lesson 3: Other Ways to Add and Subtract — Part 1

Lesson 4: Other Ways to Add and Subtract — Part 2

Lesson 5: Word Problems

Lesson 6: Practice

Chapter 3: Multiples and Factors

Lesson 2: Common Multiples

Lesson 3: Factors

Lesson 4: Prime Numbers and Composite Numbers

Lesson 5: Common Factors

Lesson 6: Practice

Chapter 4: Multiplication

Lesson 2: Multiplying by a 1-Digit Number — Part 1

Lesson 3: Multiplying by a 1-Digit Number — Part 2

Lesson 4: Practice A

Lesson 5: Multiplying by a Multiple of 10

Lesson 6: Multiplying by a 2-Digit Number — Part 1

Lesson 7: Multiplying by a 2-Digit Number — Part 2

Lesson 8: Practice B

Chapter 5: Division

Lesson 2: Estimation and Division

Lesson 3: Dividing 4-Digit Numbers

Lesson 4: Practice A

Lesson 5: Word Problems

Lesson 6: Challenging Word Problems

Lesson 7: Practice B

Review 1

Chapter 6: Fractions

Lesson 2: Comparing and Ordering Fractions

Lesson 3: Improper Fractions and Mixed Numbers

Lesson 4: Practice A

Lesson 5: Expressing an Improper Fraction as a Mixed Number

Lesson 6: Expressing a Mixed Number as an Improper Fraction

Lesson 7: Fractions and Division

Lesson 8: Practice B

Chapter 7: Adding and Subtracting Fractions

Lesson 2: Adding and Subtracting Fractions — Part 2

Lesson 3: Adding a Mixed Number and a Fraction

Lesson 4: Adding Mixed Numbers

Lesson 5: Subtracting a Fraction from a Mixed Number

Lesson 6: Subtracting Mixed Numbers

Lesson 7: Practice

Chapter 8: Multiplying a Fraction and a Whole Number

Lesson 2: Multiplying a Fraction by a Whole Number — Part 1

Lesson 3: Multiplying a Fraction by a Whole Number — Part 2

Lesson 4: Fraction of a Set

Lesson 5: Multiplying a Whole Number by a Fraction — Part 1

Lesson 6: Multiplying a Whole Number by a Fraction — Part 2

Lesson 7: Word Problems — Part 1

Lesson 8: Word Problems — Part 2

Chapter 9: Line Graphs and Line Plots

Lesson 2: Drawing Line Graphs

Lesson 3: Line Plots

Lesson 4: Practice

Review 2

Click here to view samples of Dimensions Math^{®} Textbook 4A.

**Dimensions Math ^{®}**

**PreK-5 series**features the progression, rigor, and pacing that define Singapore math. Throughout the series, five characters offer students suggestions on how to think about problems. They remind students of strategies they’ve learned and point out important information that encourages them to come up with their own solutions.

Teacher’s Guides include lesson plans, mathematical background, games, helpful suggestions, and comprehensive resources for daily lessons. Lessons are laid out clearly and activities are designed for the whole class, small groups, and extension.