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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 782 · 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. 1.7 × 100 =
  2. 2.15 × 100 =
  3. 3.453 × 10 =
  4. 4.538 × ? = 5380
  5. 5.32 × ? = 3200
  6. 6.2 × 100 =
  7. 7.62 × ? = 620
  8. 8.25 × 1000 =
  9. 9.758 × 10 =
  10. 10.123 × 10 =
  11. 11.78 × 100 =
  12. 12.344 × 10 =
  13. 13.140 × 10 =
  14. 14.309 × 10 =
  15. 15.12 × 1000 =
  16. 16.142 × 10 =
  17. 17.730 × ? = 7300
  18. 18.52 × ? = 5200
  19. 19.851 × 10 =
  20. 20.19 × 1000 =
  21. 21.588 × 10 =
  22. 22.11 × 100 =
  23. 23.295 × ? = 2950
  24. 24.62 × 100 =
  25. 25.68 × 100 =
  26. 26.37 × ? = 3700
  27. 27.97 × ? = 9700
  28. 28.916 × ? = 9160
  29. 29.741 × 10 =
  30. 30.311 × ? = 3110
  31. 31.3 × ? = 300
  32. 32.246 × 10 =
  33. 33.495 × ? = 4950
  34. 34.89 × 100 =
  35. 35.764 × 10 =
  36. 36.12 × ? = 12000
  37. 37.21 × ? = 21000
  38. 38.9 × 100 =
  39. 39.31 × 1000 =
  40. 40.37 × 1000 =

Answer key

  1. 700
  2. 1500
  3. 4530
  4. 10
  5. 100
  6. 200
  7. 10
  8. 25000
  9. 7580
  10. 1230
  11. 7800
  12. 3440
  13. 1400
  14. 3090
  15. 12000
  16. 1420
  17. 10
  18. 100
  19. 8510
  20. 19000
  21. 5880
  22. 1100
  23. 10
  24. 6200
  25. 6800
  26. 100
  27. 100
  28. 10
  29. 7410
  30. 10
  31. 100
  32. 2460
  33. 10
  34. 8900
  35. 7640
  36. 1000
  37. 1000
  38. 900
  39. 31000
  40. 37000

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