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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 279 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.12 × ? = 12000
  2. 2.26 × ? = 2600
  3. 3.38 × 1000 =
  4. 4.210 × 10 =
  5. 5.11 × 100 =
  6. 6.85 × 10 =
  7. 7.212 × ? = 2120
  8. 8.634 × ? = 6340
  9. 9.64 × ? = 6400
  10. 10.50 × 1000 =
  11. 11.109 × ? = 1090
  12. 12.582 × ? = 5820
  13. 13.18 × ? = 1800
  14. 14.50 × ? = 50000
  15. 15.7 × ? = 7000
  16. 16.709 × ? = 7090
  17. 17.40 × ? = 4000
  18. 18.408 × 10 =
  19. 19.25 × ? = 25000
  20. 20.9 × 100 =
  21. 21.486 × 10 =
  22. 22.17 × 10 =
  23. 23.75 × 10 =
  24. 24.34 × 1000 =
  25. 25.67 × ? = 6700
  26. 26.312 × ? = 3120
  27. 27.39 × 10 =
  28. 28.240 × 10 =
  29. 29.517 × 10 =
  30. 30.74 × ? = 7400
  31. 31.833 × 10 =
  32. 32.484 × 10 =
  33. 33.7 × ? = 700
  34. 34.837 × ? = 8370
  35. 35.27 × 1000 =
  36. 36.9 × ? = 900
  37. 37.51 × ? = 5100
  38. 38.3 × ? = 3000
  39. 39.93 × ? = 9300
  40. 40.32 × ? = 32000

Answer key

  1. 1000
  2. 100
  3. 38000
  4. 2100
  5. 1100
  6. 850
  7. 10
  8. 10
  9. 100
  10. 50000
  11. 10
  12. 10
  13. 100
  14. 1000
  15. 1000
  16. 10
  17. 100
  18. 4080
  19. 1000
  20. 900
  21. 4860
  22. 170
  23. 750
  24. 34000
  25. 100
  26. 10
  27. 390
  28. 2400
  29. 5170
  30. 100
  31. 8330
  32. 4840
  33. 100
  34. 10
  35. 27000
  36. 100
  37. 100
  38. 1000
  39. 100
  40. 1000

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