Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 916 · 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. 1.359.7 ÷ 100 =
2. 2.340.4 × 10 =
3. 3.43.37 × 10 =
4. 4.5.1 × 1000 =
5. 5.267.9 ÷ 10 =
6. 6.343.8 × 1000 =
7. 7.200.1 ÷ 100 =
8. 8.3.09 ÷ 100 =
9. 9.64.7 × 1000 =
10. 10.247.1 ÷ 10 =
11. 11.8.31 × 100 =
12. 12.320.5 × 10 =
13. 13.431.1 × 10 =
14. 14.230.1 ÷ 100 =
15. 15.25.81 ÷ 100 =
16. 16.1.22 ÷ 1000 =
17. 17.25.05 × 1000 =
18. 18.469.9 × 1000 =
19. 19.476.6 ÷ 100 =
20. 20.9.13 ÷ 100 =
21. 21.217.4 ÷ 10 =
22. 22.1.11 × 1000 =
23. 23.49.5 ÷ 1000 =
24. 24.7.28 × 100 =
25. 25.42.73 × 10 =
26. 26.17.61 × 100 =
27. 27.242.7 × 10 =
28. 28.432.2 ÷ 1000 =
29. 29.41.61 ÷ 10 =
30. 30.382.8 × 10 =
31. 31.267.1 × 10 =
32. 32.40.7 × 1000 =
33. 33.111.9 ÷ 1000 =
34. 34.304.1 × 10 =
35. 35.339.5 × 10 =
36. 36.158.7 ÷ 1000 =
37. 37.4.14 × 100 =
38. 38.331.3 × 1000 =
39. 39.259.1 ÷ 1000 =
40. 40.40.6 ÷ 1000 =

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