Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 888 · 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. 1.362.2 × 10 =
2. 2.20.11 ÷ 1000 =
3. 3.31.8 × 100 =
4. 4.335.7 ÷ 1000 =
5. 5.175.9 × 10 =
6. 6.147.4 ÷ 100 =
7. 7.172.7 × 100 =
8. 8.388.8 ÷ 1000 =
9. 9.458.7 × 1000 =
10. 10.351.1 ÷ 1000 =
11. 11.475.7 × 10 =
12. 12.108.8 × 100 =
13. 13.20.75 × 10 =
14. 14.2.39 ÷ 10 =
15. 15.23.01 × 100 =
16. 16.25.75 × 10 =
17. 17.391.8 ÷ 10 =
18. 18.6.61 ÷ 10 =
19. 19.6.91 ÷ 1000 =
20. 20.45.04 ÷ 1000 =
21. 21.146.4 × 100 =
22. 22.174.1 × 1000 =
23. 23.27.25 ÷ 10 =
24. 24.312.1 × 10 =
25. 25.135.8 ÷ 1000 =
26. 26.16.91 × 1000 =
27. 27.30.96 ÷ 100 =
28. 28.46.25 × 10 =
29. 29.34.04 × 100 =
30. 30.24.74 × 100 =
31. 31.314.8 ÷ 1000 =
32. 32.182.7 ÷ 10 =
33. 33.176.5 × 100 =
34. 34.368.6 × 1000 =
35. 35.8.96 ÷ 100 =
36. 36.309.7 ÷ 100 =
37. 37.490.9 × 1000 =
38. 38.47.27 ÷ 100 =
39. 39.8.01 × 10 =
40. 40.23.21 ÷ 10 =

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