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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 199 · 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 × ? = 21000
  2. 2.697 × ? = 6970
  3. 3.776 × 10 =
  4. 4.964 × ? = 9640
  5. 5.27 × 1000 =
  6. 6.18 × 100 =
  7. 7.10 × ? = 10000
  8. 8.325 × ? = 3250
  9. 9.42 × 1000 =
  10. 10.38 × ? = 38000
  11. 11.994 × 10 =
  12. 12.37 × 100 =
  13. 13.34 × 1000 =
  14. 14.10 × 1000 =
  15. 15.791 × ? = 7910
  16. 16.85 × 100 =
  17. 17.233 × ? = 2330
  18. 18.824 × ? = 8240
  19. 19.27 × 100 =
  20. 20.4 × ? = 4000
  21. 21.164 × ? = 1640
  22. 22.23 × 1000 =
  23. 23.757 × ? = 7570
  24. 24.448 × ? = 4480
  25. 25.98 × 10 =
  26. 26.11 × 1000 =
  27. 27.22 × 1000 =
  28. 28.7 × ? = 7000
  29. 29.4 × 1000 =
  30. 30.20 × 100 =
  31. 31.47 × ? = 4700
  32. 32.18 × 1000 =
  33. 33.32 × ? = 3200
  34. 34.997 × 10 =
  35. 35.71 × 100 =
  36. 36.899 × 10 =
  37. 37.914 × 10 =
  38. 38.927 × ? = 9270
  39. 39.37 × 1000 =
  40. 40.843 × 10 =

Answer key

  1. 1000
  2. 10
  3. 7760
  4. 10
  5. 27000
  6. 1800
  7. 1000
  8. 10
  9. 42000
  10. 1000
  11. 9940
  12. 3700
  13. 34000
  14. 10000
  15. 10
  16. 8500
  17. 10
  18. 10
  19. 2700
  20. 1000
  21. 10
  22. 23000
  23. 10
  24. 10
  25. 980
  26. 11000
  27. 22000
  28. 1000
  29. 4000
  30. 2000
  31. 100
  32. 18000
  33. 100
  34. 9970
  35. 7100
  36. 8990
  37. 9140
  38. 10
  39. 37000
  40. 8430

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