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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 523 · 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. 1.70 × 100 =
  2. 2.88 × ? = 8800
  3. 3.37 × ? = 37000
  4. 4.35 × 100 =
  5. 5.980 × 10 =
  6. 6.480 × 10 =
  7. 7.18 × 100 =
  8. 8.73 × 100 =
  9. 9.164 × 10 =
  10. 10.251 × 10 =
  11. 11.11 × ? = 1100
  12. 12.169 × 10 =
  13. 13.56 × 100 =
  14. 14.12 × 10 =
  15. 15.14 × ? = 1400
  16. 16.34 × 1000 =
  17. 17.3 × ? = 3000
  18. 18.147 × ? = 1470
  19. 19.47 × ? = 47000
  20. 20.48 × 1000 =
  21. 21.616 × 10 =
  22. 22.886 × ? = 8860
  23. 23.552 × 10 =
  24. 24.93 × ? = 9300
  25. 25.15 × 1000 =
  26. 26.62 × 100 =
  27. 27.411 × 10 =
  28. 28.50 × ? = 50000
  29. 29.38 × ? = 380
  30. 30.23 × ? = 2300
  31. 31.83 × 100 =
  32. 32.49 × ? = 49000
  33. 33.765 × 10 =
  34. 34.41 × ? = 4100
  35. 35.17 × 1000 =
  36. 36.67 × ? = 6700
  37. 37.98 × ? = 9800
  38. 38.87 × ? = 8700
  39. 39.16 × ? = 16000
  40. 40.65 × 100 =

Answer key

  1. 7000
  2. 100
  3. 1000
  4. 3500
  5. 9800
  6. 4800
  7. 1800
  8. 7300
  9. 1640
  10. 2510
  11. 100
  12. 1690
  13. 5600
  14. 120
  15. 100
  16. 34000
  17. 1000
  18. 10
  19. 1000
  20. 48000
  21. 6160
  22. 10
  23. 5520
  24. 100
  25. 15000
  26. 6200
  27. 4110
  28. 1000
  29. 10
  30. 100
  31. 8300
  32. 1000
  33. 7650
  34. 100
  35. 17000
  36. 100
  37. 100
  38. 100
  39. 1000
  40. 6500

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