### Singapore Math

# Dimensions Math Textbook 5B

**Dimensions Math ^{®} Textbook 5B**

Chapter 9: Decimals

Lesson 2: Place Value to Thousandths

Lesson 3: Comparing Decimals

Lesson 4: Rounding Decimals

Lesson 5: Practice A

Lesson 6: Multiply Decimals by 10, 100, and 1,000

Lesson 7: Divide Decimals by 10, 100, and 1,000

Lesson 8: Conversion of Measures

Lesson 9: Mental Calculation

Lesson 10: Practice B

Chapter 10: The Four Operations of Decimals

Lesson 2: Subtracting Decimals

Lesson 3: Multiplying by 0.1 or 0.01

Lesson 4: Multiplying by a Decimal

Lesson 5: Practice A

Lesson 6: Dividing by a Whole Number — Part 1

Lesson 7: Dividing by a Whole Number — Part 2

Lesson 8: Dividing by a Whole Number by 0.1 and 0.01

Lesson 9: Dividing a Whole Number by a Decimal

Lesson 10: Practice B

Chapter 11: Geometry

Lesson 2: Angles and Lines

Lesson 3: Classifying Triangles

Lesson 4: The Sum of the Angles in a Triangle

Lesson 5: The Exterior Angle of a Triangle

Lesson 6: Classifying Quadrilaterals

Lesson 7: Angles of Quadrilaterals — Part 1

Lesson 8: Angles of Quadrilaterals — Part 2

Lesson 9: Drawing Triangles and Quadrilaterals

Lesson 10: Practice

Chapter 12: Data Analysis and Graphs

Lesson 2: Average — Part 2

Lesson 3: Line Plots

Lesson 4: Coordinate Graphs

Lesson 5: Straight Line Graphs

Lesson 6: Practice

Review 3

Chapter 13: Ratio

Lesson 2: Equivalent Ratios

Lesson 3: Finding a Quantity

Lesson 4: Comparing Three Quantities

Lesson 5: Word Problems

Lesson 6: Practice

Chapter 14: Rate

Lesson 2: Rate Problems — Part 1

Lesson 3: Rate Problems — Part 2

Lesson 4: Word Problems

Lesson 5: Practice

Chapter 15: Percentage

Lesson 2: Expressing Percentages as Fractions

Lesson 3: Percentages and Decimals

Lesson 4: Expressing Fractions as Percentages

Lesson 5: Practice A

Lesson 6: Percentage of a Quantity

Lesson 7: Word Problems

Lesson 8: Practice B

Review 4

Review 5

Click here to view samples of Dimensions Math^{®} Textbook 5B.

**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.

**Textbooks and Workbooks do not include answer keys. Answers are in Teacher's Guides.**

**ISBN**9781947226135