# Unit 4: Multiplication and Division Basic Facts

- Chapter 8: Multiplication Concepts
- Lesson 8.1 Model Multiplication as Repeated Addition
- Lesson 8.2 Arrays and Multiplication
- Lesson 8.3 Multiply with 2
- Lesson 8.4 Multiply with 4
- Lesson 8.5 Multiply with 5
- Lesson 8.6 Multiply with 10
- Lesson 8.7 Problem-Solving Strategy: Make an Organized List
- Lesson 8.8 Multiply with 1 and 0

- Chapter 9: Multiplication Facts and Patterns
- Lesson 9.1 Use a Multiplication Table
- Lesson 9.2 Multiply with 3
- Lesson 9.3 Multiply with 6
- Lesson 9.4 Multiply with 7
- Lesson 9.5 Multiply with 8
- Lesson 9.6 Multiply with 9
- Lesson 9.7 Patterns on a Multiplication Table
- Lesson 9.8 Multiply Three Numbers
- Lesson 9.9 Problem-Solving Decision: Multistep Problems

- Chapter 10: Division Concepts
- Lesson 10.1 The Meaning of Division
- Lesson 10.2 Model Division as Repeated Subtraction
- Lesson 10.3 Relate Multiplication and Division
- Lesson 10.4 Divide by 2
- Lesson 10.5 Problem-Solving Decision: Choose the Operation
- Lesson 10.6 Divide by 5
- Lesson 10.7 Divide by 10
- Lesson 10.8 Problem-Solving Strategy: Write a Number Sentence
- Lesson 10.9 Division Rules

- Chapter 11: Division Facts and Patterns
- Lesson 11.1 Divide Using a Multiplication Table
- Lesson 11.2 Fact Families
- Lesson 11.3 Divide by 3
- Lesson 11.4 Divide by 4
- Lesson 11.5 Divide by 6
- Lesson 11.6 Problem-Solving Strategy: Draw a Picture
- Lesson 11.7 Divide by 7
- Lesson 11.8 Divide by 8
- Lesson 11.9 Divide by 9