Unit 8 Contents

Solve the following problems using base-ten pieces. Show how you solved each problem using base-ten shorthand. Then write a number sentence to match.

1. 2 4 = ?
2. 2 40 = ?
3. 2 400 = ?
1. 3 6 = ?
2. 3 60 = ?
3. 3 600 = ?
1. 4 3 = ?
2. 4 30 = ?
3. 4 300 = ?

5. Describe patterns that you see in the problems in Questions 2, 3, and 4.

6. Try the following problems. You may want to use your calculator to check.
1. 10 24 = ?
2. 10 37 = ?
3. 10 40 = ?
4. 10 348 = ?
5. 100 6 = ?
6. 100 12 = ?
7. 100 34 = ?
8. 100 876 = ?

Practice multiplying with tens and hundreds on the Multiply with Function Machines pages in the Student Activity Book.