Lesson 2 Compare Numbers
Lesson 3 Order Numbers
Check My Progress
Lesson 4 Round to the Nearest Ten
Lesson 5 Round to the Nearest Hundred
Lesson 6 Problem-Solving Investigation: Use the Four-Step Plan
Wrap Up
My Chapter Review
Reflect
CHAPTER 2 ADDITION
Lesson 1 Addition Properties
Lesson 2 Patterns in the Addition Table
Lesson 3 Addition Patterns
Lesson 4 Add Mentally
Check My Progress
Lesson 5 Estimate Sums
Lesson 6 Hands On: Use Models to Add
Lesson 7 Add Three-Digit Numbers
Check My Progress
Lesson 8 Add Four-Digit Numbers
Lesson 9 Problem-Solving Investigation: Reasonable Answers
Wrap Up
Fluency Practice
My Chapter Review
Reflect
CHAPTER 3 SUBTRACTION
Lesson 1 Subtract Mentally
Lesson 2 Estimate Differences
Lesson 3 Problem-Solving Investigation: Estimate or Exact Answer
Check My Progress
Lesson 4 Hands On: Subtract with Regrouping
Lesson 5 Subtract Three-Digit Numbers
Lesson 6 Subtract Four-Digit Numbers
Lesson 7 Subtract Across Zeros
Wrap Up
Fluency Practice
My Chapter Review
Reflect
CHAPTER 4 UNDERSTAND MULTIPLICATION
Lesson 1 Hands On: Model Multiplication
Lesson 2 Multiplication as Repeated Addition
Lesson 3 Hands On: Multiply with Arrays
Lesson 4 Arrays and Multiplication
Check My Progress
Lesson 5 Problem-Solving Investigation: Make a Table
Lesson 6 Use Multiplication to Find Combinations
Wrap Up
My Chapter Review
Reflect
CHAPTER 5 UNDERSTAND DIVISION
Lesson 1 Hands On: Model Division
Lesson 2 Division as Equal Sharing
Lesson 3 Relate Division and Subtraction
Check My Progress
Lesson 4 Hands On: Relate Division and Multiplication
Lesson 5 Inverse Operations
Lesson 6 Problem-Solving Investigation: Use Models
Wrap Up
My Chapter Review
Reflect
CHAPTER 6 MULTIPLICATION AND DIVISION PATTERNS
Lesson 1 Patterns in the Multiplication Table
Lesson 2 Multiply by 2
Lesson 3 Divide by 2
Lesson 4 Multiply by 5
Lesson 5 Divide by 5
Check My Progress
Lesson 6 Problem-Solving Investigation: Look for a Pattern
Lesson 7 Multiply by 10
Lesson 8 Multiples of 10
Lesson 9 Divide by 10
Wrap Up
Fluency Practice
My Chapter Review
Reflect
CHAPTER 7 MULTIPLICATION AND DIVISION
Lesson 1 Multiply by 3
Lesson 2 Divide by 3
Lesson 3 Hands On: Double a Known Fact
Lesson 4 Multiply by 4
Lesson 5 Divide by 4
Check My Progress
Lesson 6 Problem-Solving Investigation: Extra or Missing Information
Lesson 7 Multiply by 0 and 1
Lesson 8 Divide with 0 and 1
Wrap Up
Fluency Practice
My Chapter Review
Reflect
CHAPTER 8 APPLY MULTIPLICATION AND DIVISION
Lesson 1 Multiply by 6
Lesson 2 Multiply by 7
Lesson 3 Divide by 6 and 7
Check My Progress
Lesson 4 Multiply by 8
Lesson 5 Multiply by 9
Lesson 6 Divide by 8 and 9
Check My Progress
Lesson 7 Problem-Solving Investigation: Make an Organized List
Lesson 8 Multiply by 11 and 12
Lesson 9 Divide by 11 and 12
Wrap Up
Fluency Practice
My Chapter Review
Reflect
CHAPTER 9 PROPERTIES AND EQUATIONS
Lesson 1 Hands On: Take Apart to Multiply
Lesson 2 The Distributive Property
Lesson 3 Hands On: Multiply Three Factors
Lesson 4 The Associative Property
Check My Progress
Lesson 5 Write Expressions
Lesson 6 Evaluate Expressions
Lesson 7 Write Equations
Lesson 8 Solve Two-Step Word Problems
Lesson 9 Problem-Solving Investigation: Use Logical Reasoning
Wrap Up
My Chapter Review
Reflect
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