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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 972 · 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. 1.21 × 1000 =
  2. 2.104 × 10 =
  3. 3.171 × ? = 1710
  4. 4.38 × ? = 38000
  5. 5.766 × 10 =
  6. 6.76 × 100 =
  7. 7.25 × 100 =
  8. 8.8 × ? = 800
  9. 9.97 × 100 =
  10. 10.53 × 100 =
  11. 11.28 × 10 =
  12. 12.13 × 100 =
  13. 13.270 × ? = 2700
  14. 14.254 × ? = 2540
  15. 15.966 × 10 =
  16. 16.257 × ? = 2570
  17. 17.15 × 1000 =
  18. 18.97 × 10 =
  19. 19.455 × 10 =
  20. 20.7 × 1000 =
  21. 21.293 × 10 =
  22. 22.281 × ? = 2810
  23. 23.35 × 1000 =
  24. 24.744 × 10 =
  25. 25.658 × 10 =
  26. 26.31 × 100 =
  27. 27.621 × 10 =
  28. 28.81 × 10 =
  29. 29.561 × 10 =
  30. 30.44 × 100 =
  31. 31.234 × 10 =
  32. 32.42 × 100 =
  33. 33.32 × 1000 =
  34. 34.700 × ? = 7000
  35. 35.901 × 10 =
  36. 36.43 × 1000 =
  37. 37.14 × 1000 =
  38. 38.5 × 1000 =
  39. 39.667 × 10 =
  40. 40.638 × 10 =

Answer key

  1. 21000
  2. 1040
  3. 10
  4. 1000
  5. 7660
  6. 7600
  7. 2500
  8. 100
  9. 9700
  10. 5300
  11. 280
  12. 1300
  13. 10
  14. 10
  15. 9660
  16. 10
  17. 15000
  18. 970
  19. 4550
  20. 7000
  21. 2930
  22. 10
  23. 35000
  24. 7440
  25. 6580
  26. 3100
  27. 6210
  28. 810
  29. 5610
  30. 4400
  31. 2340
  32. 4200
  33. 32000
  34. 10
  35. 9010
  36. 43000
  37. 14000
  38. 5000
  39. 6670
  40. 6380

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