Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 998 · 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. 1.4 × ? = 4000
2. 2.31 × ? = 31000
3. 3.921 × 10 =
4. 4.929 × 10 =
5. 5.15 × ? = 1500
6. 6.17 × ? = 1700
7. 7.25 × 1000 =
8. 8.7 × 1000 =
9. 9.28 × ? = 2800
10. 10.16 × ? = 1600
11. 11.171 × 10 =
12. 12.20 × ? = 2000
13. 13.717 × 10 =
14. 14.410 × 10 =
15. 15.9 × ? = 9000
16. 16.23 × ? = 23000
17. 17.460 × 10 =
18. 18.39 × 1000 =
19. 19.42 × 10 =
20. 20.55 × 10 =
21. 21.432 × 10 =
22. 22.35 × 100 =
23. 23.33 × 1000 =
24. 24.50 × ? = 50000
25. 25.34 × ? = 34000
26. 26.391 × 10 =
27. 27.400 × 10 =
28. 28.18 × ? = 18000
29. 29.16 × 1000 =
30. 30.13 × ? = 13000
31. 31.802 × ? = 8020
32. 32.18 × 1000 =
33. 33.50 × 1000 =
34. 34.43 × 1000 =
35. 35.19 × 100 =
36. 36.26 × 1000 =
37. 37.40 × 1000 =
38. 38.872 × ? = 8720
39. 39.65 × 100 =
40. 40.28 × 1000 =

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