Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 506 · 40 questions

The trick (Place-value slide): × 10: write one 0 after the number. × 100: write two 0s. × 1000: write three 0s. Missing number: count how many zeros were added — one 0 is × 10, two 0s is × 100.

1. 1.879 × ? = 8790
2. 2.13 × 1000 =
3. 3.840 × 10 =
4. 4.10 × ? = 1000
5. 5.834 × ? = 8340
6. 6.14 × ? = 140
7. 7.33 × 1000 =
8. 8.730 × 10 =
9. 9.42 × ? = 4200
10. 10.28 × ? = 280
11. 11.6 × ? = 600
12. 12.668 × ? = 6680
13. 13.342 × ? = 3420
14. 14.30 × 100 =
15. 15.96 × ? = 9600
16. 16.43 × ? = 4300
17. 17.402 × ? = 4020
18. 18.17 × 1000 =
19. 19.5 × ? = 500
20. 20.21 × 1000 =
21. 21.86 × 100 =
22. 22.3 × ? = 3000
23. 23.847 × 10 =
24. 24.25 × ? = 250
25. 25.97 × ? = 9700
26. 26.342 × 10 =
27. 27.17 × ? = 17000
28. 28.276 × 10 =
29. 29.28 × 100 =
30. 30.42 × 10 =
31. 31.12 × 1000 =
32. 32.39 × ? = 3900
33. 33.39 × 1000 =
34. 34.18 × ? = 18000
35. 35.36 × 100 =
36. 36.30 × 1000 =
37. 37.19 × ? = 1900
38. 38.27 × 1000 =
39. 39.7 × 1000 =
40. 40.67 × 100 =

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