Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 611 · 40 questions

The fast method (Jump the point): Count the zeros: 10 → 1 jump, 100 → 2 jumps, 1000 → 3 jumps. × moves the point right; ÷ moves it left. Run out of digits? Fill the gaps with 0s. Drop 0s at the end of a decimal: 3.40 is 3.4.

1. 1.34.36 ÷ 10 =
2. 2.22.63 × 10 =
3. 3.29.51 × 10 =
4. 4.342.5 × 10 =
5. 5.49.04 × 1000 =
6. 6.34.26 ÷ 100 =
7. 7.488.9 ÷ 100 =
8. 8.204.5 ÷ 100 =
9. 9.329.6 × 1000 =
10. 10.17.24 × 1000 =
11. 11.35.21 ÷ 1000 =
12. 12.37.17 × 10 =
13. 13.16.24 × 10 =
14. 14.49.99 × 100 =
15. 15.390.7 ÷ 1000 =
16. 16.20.84 × 1000 =
17. 17.3.23 ÷ 10 =
18. 18.7.42 × 100 =
19. 19.34.38 ÷ 1000 =
20. 20.222.6 × 10 =
21. 21.12.71 × 100 =
22. 22.217.1 × 1000 =
23. 23.236.6 × 10 =
24. 24.7.27 ÷ 1000 =
25. 25.6.51 × 1000 =
26. 26.33.19 ÷ 100 =
27. 27.265.1 ÷ 100 =
28. 28.444.8 ÷ 100 =
29. 29.192.1 ÷ 100 =
30. 30.490.5 × 1000 =
31. 31.297.6 ÷ 100 =
32. 32.241.3 × 1000 =
33. 33.21.78 ÷ 10 =
34. 34.303.2 × 1000 =
35. 35.162.9 × 10 =
36. 36.393.1 ÷ 100 =
37. 37.9.7 × 1000 =
38. 38.437.1 × 1000 =
39. 39.190.8 × 10 =
40. 40.379.4 × 10 =

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