Reteach and Skills Practice Workbook

7–1
Name
Reteach
Date
4NS3.0, 4MR2.2
Multiples of 10, 100, and 1,000
Multiply each number below by 10 by adding a zero
to the end of the number.
1. 2 × 10 = 2. 3 × 10 =
Chapter Resources
Multiply each number below by 100 by adding two zeros
to the end of the number.
3. 7 × 100 = 4. 1 × 100 =
Multiply each number below by 1,000 by adding three zeros
to the end of the number.
5. 6 × 1,000 = 6. 9 × 1,000 =
Multiply. Use basic facts and patterns.
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7. 3 × 5 = 15
9. 4 × 2 = 8
3 × 50 = 150
4 × 20 = 80
3 × 500 =
4 × 200 =
3 × 5,000 = 15,000
4 × 2,000 =
8. 5 × 2 =
10. 6 × 5 = 30
5 × 20 = 100
6 × 50 = 300
5 × 200 = 1,000
6 × 500 =
5 × 2,000 =
6 × 5,000 =
Multiply. Use basic facts and patterns.
11. 1 × 1,000 =
12. 6 × 400 =
13. 9 × 200 =
14. 8 × 90 =
15. 3 × 9,000 =
17. 5 × 50 =
16. 2 × 700 =
18. 4 × 8,000 =
19. 8 × 6,000 =
20. 7 × 500 =
Grade 4 115 Chapter 7