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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 155 · 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. 1.7 × 10 =
  2. 2.4 × ? = 4000
  3. 3.2 × ? = 2000
  4. 4.96 × ? = 9600
  5. 5.452 × ? = 4520
  6. 6.294 × 10 =
  7. 7.150 × 10 =
  8. 8.58 × ? = 580
  9. 9.517 × 10 =
  10. 10.148 × ? = 1480
  11. 11.161 × 10 =
  12. 12.25 × 10 =
  13. 13.8 × ? = 8000
  14. 14.169 × ? = 1690
  15. 15.6 × ? = 6000
  16. 16.95 × ? = 9500
  17. 17.23 × 1000 =
  18. 18.34 × 1000 =
  19. 19.39 × 1000 =
  20. 20.379 × 10 =
  21. 21.807 × ? = 8070
  22. 22.44 × 1000 =
  23. 23.49 × 100 =
  24. 24.25 × 1000 =
  25. 25.93 × ? = 9300
  26. 26.52 × 100 =
  27. 27.30 × 100 =
  28. 28.7 × 1000 =
  29. 29.24 × ? = 2400
  30. 30.997 × 10 =
  31. 31.46 × 100 =
  32. 32.947 × 10 =
  33. 33.53 × 100 =
  34. 34.506 × 10 =
  35. 35.10 × ? = 10000
  36. 36.410 × ? = 4100
  37. 37.78 × ? = 7800
  38. 38.548 × 10 =
  39. 39.3 × 1000 =
  40. 40.719 × ? = 7190

Answer key

  1. 70
  2. 1000
  3. 1000
  4. 100
  5. 10
  6. 2940
  7. 1500
  8. 10
  9. 5170
  10. 10
  11. 1610
  12. 250
  13. 1000
  14. 10
  15. 1000
  16. 100
  17. 23000
  18. 34000
  19. 39000
  20. 3790
  21. 10
  22. 44000
  23. 4900
  24. 25000
  25. 100
  26. 5200
  27. 3000
  28. 7000
  29. 100
  30. 9970
  31. 4600
  32. 9470
  33. 5300
  34. 5060
  35. 1000
  36. 10
  37. 100
  38. 5480
  39. 3000
  40. 10

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