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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 929 · 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. 1.79 × 100 =
  2. 2.80 × 100 =
  3. 3.50 × ? = 50000
  4. 4.4 × ? = 4000
  5. 5.58 × ? = 5800
  6. 6.28 × 100 =
  7. 7.330 × ? = 3300
  8. 8.70 × ? = 7000
  9. 9.2 × 100 =
  10. 10.45 × ? = 45000
  11. 11.29 × 100 =
  12. 12.71 × 100 =
  13. 13.566 × ? = 5660
  14. 14.87 × 100 =
  15. 15.20 × 100 =
  16. 16.43 × 1000 =
  17. 17.158 × 10 =
  18. 18.365 × ? = 3650
  19. 19.60 × ? = 6000
  20. 20.9 × 1000 =
  21. 21.22 × 1000 =
  22. 22.44 × ? = 44000
  23. 23.83 × 100 =
  24. 24.3 × ? = 3000
  25. 25.526 × ? = 5260
  26. 26.21 × ? = 21000
  27. 27.471 × ? = 4710
  28. 28.19 × 1000 =
  29. 29.947 × 10 =
  30. 30.985 × ? = 9850
  31. 31.608 × 10 =
  32. 32.45 × 1000 =
  33. 33.921 × 10 =
  34. 34.14 × 100 =
  35. 35.38 × ? = 3800
  36. 36.96 × ? = 9600
  37. 37.382 × 10 =
  38. 38.481 × ? = 4810
  39. 39.365 × 10 =
  40. 40.27 × 1000 =

Answer key

  1. 7900
  2. 8000
  3. 1000
  4. 1000
  5. 100
  6. 2800
  7. 10
  8. 100
  9. 200
  10. 1000
  11. 2900
  12. 7100
  13. 10
  14. 8700
  15. 2000
  16. 43000
  17. 1580
  18. 10
  19. 100
  20. 9000
  21. 22000
  22. 1000
  23. 8300
  24. 1000
  25. 10
  26. 1000
  27. 10
  28. 19000
  29. 9470
  30. 10
  31. 6080
  32. 45000
  33. 9210
  34. 1400
  35. 100
  36. 100
  37. 3820
  38. 10
  39. 3650
  40. 27000

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