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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 255 · 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. 1.24 × 1000 =
  2. 2.139 × 10 =
  3. 3.86 × 10 =
  4. 4.35 × 1000 =
  5. 5.358 × ? = 3580
  6. 6.22 × 100 =
  7. 7.3 × 1000 =
  8. 8.384 × ? = 3840
  9. 9.44 × ? = 44000
  10. 10.990 × ? = 9900
  11. 11.41 × ? = 41000
  12. 12.677 × ? = 6770
  13. 13.33 × 1000 =
  14. 14.42 × 1000 =
  15. 15.67 × 10 =
  16. 16.16 × ? = 16000
  17. 17.14 × 100 =
  18. 18.32 × 1000 =
  19. 19.90 × 100 =
  20. 20.11 × 100 =
  21. 21.91 × ? = 9100
  22. 22.30 × ? = 3000
  23. 23.305 × 10 =
  24. 24.936 × ? = 9360
  25. 25.13 × 1000 =
  26. 26.31 × 1000 =
  27. 27.224 × 10 =
  28. 28.21 × 100 =
  29. 29.6 × ? = 600
  30. 30.37 × 100 =
  31. 31.946 × 10 =
  32. 32.165 × ? = 1650
  33. 33.752 × 10 =
  34. 34.208 × ? = 2080
  35. 35.20 × 100 =
  36. 36.94 × 100 =
  37. 37.68 × 100 =
  38. 38.34 × ? = 34000
  39. 39.46 × ? = 4600
  40. 40.5 × 1000 =

Answer key

  1. 24000
  2. 1390
  3. 860
  4. 35000
  5. 10
  6. 2200
  7. 3000
  8. 10
  9. 1000
  10. 10
  11. 1000
  12. 10
  13. 33000
  14. 42000
  15. 670
  16. 1000
  17. 1400
  18. 32000
  19. 9000
  20. 1100
  21. 100
  22. 100
  23. 3050
  24. 10
  25. 13000
  26. 31000
  27. 2240
  28. 2100
  29. 100
  30. 3700
  31. 9460
  32. 10
  33. 7520
  34. 10
  35. 2000
  36. 9400
  37. 6800
  38. 1000
  39. 100
  40. 5000

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