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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 61 · 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. 1.68 × ? = 6800
  2. 2.87 × 100 =
  3. 3.14 × ? = 1400
  4. 4.486 × 10 =
  5. 5.759 × ? = 7590
  6. 6.22 × 100 =
  7. 7.50 × ? = 5000
  8. 8.427 × 10 =
  9. 9.15 × 1000 =
  10. 10.7 × ? = 700
  11. 11.4 × 1000 =
  12. 12.51 × 100 =
  13. 13.76 × ? = 7600
  14. 14.6 × ? = 600
  15. 15.398 × ? = 3980
  16. 16.41 × ? = 4100
  17. 17.20 × ? = 2000
  18. 18.81 × 100 =
  19. 19.35 × 100 =
  20. 20.351 × 10 =
  21. 21.404 × 10 =
  22. 22.48 × 1000 =
  23. 23.38 × 1000 =
  24. 24.23 × 1000 =
  25. 25.5 × 1000 =
  26. 26.863 × 10 =
  27. 27.51 × 10 =
  28. 28.37 × 100 =
  29. 29.25 × 1000 =
  30. 30.18 × 1000 =
  31. 31.244 × 10 =
  32. 32.44 × 1000 =
  33. 33.316 × 10 =
  34. 34.728 × 10 =
  35. 35.14 × 1000 =
  36. 36.29 × ? = 29000
  37. 37.70 × 100 =
  38. 38.295 × 10 =
  39. 39.9 × 100 =
  40. 40.197 × ? = 1970

Answer key

  1. 100
  2. 8700
  3. 100
  4. 4860
  5. 10
  6. 2200
  7. 100
  8. 4270
  9. 15000
  10. 100
  11. 4000
  12. 5100
  13. 100
  14. 100
  15. 10
  16. 100
  17. 100
  18. 8100
  19. 3500
  20. 3510
  21. 4040
  22. 48000
  23. 38000
  24. 23000
  25. 5000
  26. 8630
  27. 510
  28. 3700
  29. 25000
  30. 18000
  31. 2440
  32. 44000
  33. 3160
  34. 7280
  35. 14000
  36. 1000
  37. 7000
  38. 2950
  39. 900
  40. 10

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