Singapore Math
Dimensions Math Textbook 1B
Dimensions Math® Textbook 1B
Chapter 10: Length
Lesson 1: Comparing Lengths Directly
Lesson 2: Comparing Lengths Indirectly
Lesson 3: Comparing Lengths with Units
Lesson 4: Practice
Chapter 11: Comparing
Lesson 1: Subtraction as Comparison
Lesson 2: Making Comparison Subtraction Stories
Lesson 3: Picture Graphs
Lesson 4: Practice
Chapter 12: Numbers to 40
Lesson 1: Numbers to 40
Lesson 2: Tens and Ones
Lesson 3: Counting by Tens and Ones
Lesson 4: Comparing
Lesson 5: Practice
Chapter 13: Addition and Subtraction Within 40
Lesson 1: Add Ones
Lesson 2: Subtract Ones
Lesson 3: Make the Next Ten
Lesson 4: Use Addition Facts
Lesson 5: Subtract from Tens
Lesson 6: Use Subtraction Facts
Lesson 7: Add Three Numbers
Lesson 8: Practice
Chapter 14: Grouping and Sharing
Lesson 1: Adding Equal Groups
Lesson 2: Sharing
Lesson 3: Grouping
Lesson 4: Practice
Chapter 15: Fractions
Lesson 1: Halves
Lesson 2: Fourths
Lesson 3: Practice
Review 3
Chapter 16: Numbers to 100
Lesson 1: Numbers to 100
Lesson 2: Tens and Ones
Lesson 3: Count by Ones or Tens
Lesson 4: Compare Numbers to 100
Lesson 5: Practice
Chapter 17: Addition and Subtraction Within 100
Lesson 1: Add Ones — Part 1
Lesson 2: Add Tens
Lesson 3: Add Ones — Part 2
Lesson 4: Add Tens and Ones — Part 1
Lesson 5: Add Tens and Ones — Part 2
Lesson 6: Subtract Ones — Part 1
Lesson 7: Subtract from Tens
Lesson 8: Subtract Ones — Part 2
Lesson 9: Subtract Tens
Lesson 10: Subtract Tens and Ones — Part 1
Lesson 11: Subtract Tens and Ones — Part 2
Lesson 12: Practice
Chapter 18: Time
Lesson 1: Telling Time to the Hour
Lesson 2: Telling Time to the Half Hour
Lesson 3: Telling Time to the 5 Minutes
Lesson 4: Practice
Chapter 19: Money
Lesson 1: Coins
Lesson 2: Counting Money
Lesson 3: Bills
Lesson 4: Shopping
Lesson 5: Practice
Review 4
Click here to view samples of Dimensions Math® Textbook 1B.
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.
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