- Grade 2 Module 4 
- Topic A: Sums and Differences Within 100 
- Lesson 1 
- Lesson 2 
- Lesson 3 
- Lesson 4 
- Lesson 5 
- Topic B: Strategies for Composing a Ten 
- Lesson 6 
- Lesson 7 
- Lesson 8 
- Lesson 9 
- Lesson 10 
- Topic C: Strategies for Decomposing a Ten 
- Lesson 11 
- Lesson 12 
- Lesson 13 
- Lesson 14 
- Lesson 15 
- Lesson 16 
- Topic D: Strategies for Composing Tens and Hundreds 
- Lesson 17 
- Lesson 18 
- Lesson 19 
- Lesson 20 
- Lesson 21 
- Lesson 22 
- Topic E: Strategies for Decomposing Tens and Hundreds 
- Lesson 23 
- Lesson 24 
- Lesson 25 
- Lesson 26 
- Lesson 27 
- Lesson 28 
- Topic F: Student Explanations of Written Methods 
- Lesson 29 
- Lesson 30 
- Lesson 31