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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 359 · 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. 1.213 × 10 =
  2. 2.20 × 10 =
  3. 3.22 × 1000 =
  4. 4.2 × 100 =
  5. 5.642 × 10 =
  6. 6.356 × 10 =
  7. 7.28 × 1000 =
  8. 8.4 × ? = 4000
  9. 9.255 × 10 =
  10. 10.660 × 10 =
  11. 11.556 × 10 =
  12. 12.42 × ? = 42000
  13. 13.15 × 100 =
  14. 14.23 × 100 =
  15. 15.86 × 10 =
  16. 16.9 × 100 =
  17. 17.68 × ? = 680
  18. 18.93 × 100 =
  19. 19.36 × ? = 3600
  20. 20.70 × 100 =
  21. 21.989 × ? = 9890
  22. 22.36 × 1000 =
  23. 23.6 × 100 =
  24. 24.3 × ? = 300
  25. 25.545 × 10 =
  26. 26.725 × 10 =
  27. 27.471 × 10 =
  28. 28.120 × ? = 1200
  29. 29.49 × 1000 =
  30. 30.27 × 1000 =
  31. 31.319 × ? = 3190
  32. 32.46 × 1000 =
  33. 33.141 × ? = 1410
  34. 34.59 × 100 =
  35. 35.23 × 1000 =
  36. 36.137 × ? = 1370
  37. 37.29 × ? = 29000
  38. 38.65 × 100 =
  39. 39.178 × 10 =
  40. 40.94 × 100 =

Answer key

  1. 2130
  2. 200
  3. 22000
  4. 200
  5. 6420
  6. 3560
  7. 28000
  8. 1000
  9. 2550
  10. 6600
  11. 5560
  12. 1000
  13. 1500
  14. 2300
  15. 860
  16. 900
  17. 10
  18. 9300
  19. 100
  20. 7000
  21. 10
  22. 36000
  23. 600
  24. 100
  25. 5450
  26. 7250
  27. 4710
  28. 10
  29. 49000
  30. 27000
  31. 10
  32. 46000
  33. 10
  34. 5900
  35. 23000
  36. 10
  37. 1000
  38. 6500
  39. 1780
  40. 9400

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