Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 238 · 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. 1.7.7 ÷ 10 =
2. 2.320.6 ÷ 100 =
3. 3.476.1 ÷ 1000 =
4. 4.480.9 × 10 =
5. 5.8.26 ÷ 100 =
6. 6.22.92 × 1000 =
7. 7.4.63 ÷ 1000 =
8. 8.53.5 × 10 =
9. 9.336.8 ÷ 100 =
10. 10.338.5 × 10 =
11. 11.13.53 × 10 =
12. 12.5.62 ÷ 100 =
13. 13.412.1 ÷ 1000 =
14. 14.479.4 ÷ 100 =
15. 15.91.5 × 10 =
16. 16.62.1 × 10 =
17. 17.8.71 × 1000 =
18. 18.499.2 × 1000 =
19. 19.28.73 × 1000 =
20. 20.6.12 ÷ 1000 =
21. 21.19.98 ÷ 10 =
22. 22.12.43 × 1000 =
23. 23.442.8 ÷ 1000 =
24. 24.4.93 × 10 =
25. 25.45.44 ÷ 100 =
26. 26.38.61 ÷ 10 =
27. 27.292.4 × 100 =
28. 28.327.9 × 100 =
29. 29.472.4 × 10 =
30. 30.259.6 ÷ 1000 =
31. 31.39.76 × 1000 =
32. 32.17.79 ÷ 10 =
33. 33.17.39 × 10 =
34. 34.41.6 ÷ 100 =
35. 35.236.7 × 10 =
36. 36.162.5 × 100 =
37. 37.74.1 × 100 =
38. 38.317.5 × 1000 =
39. 39.104.8 × 10 =
40. 40.42.03 ÷ 100 =

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