Answers
- Lesson 1 Answers - Add and subtract 2-digit and 3-digit numbers - not crossing 10 or 100
- Lesson 2 Answers - Add 2-digit and 3-digit numbers - crossing 10 or 100
- Lesson 3 Answers - Subtract 2-digit numbers from 3-digit numbers - crossing 10 or 100
- Lesson 4 Answers - Add two 3-digit numbers - not crossing 10 or 100