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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 224 · 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. 1.65 × 100 =
  2. 2.21 × 100 =
  3. 3.322 × ? = 3220
  4. 4.47 × 10 =
  5. 5.731 × ? = 7310
  6. 6.21 × 1000 =
  7. 7.44 × 1000 =
  8. 8.7 × 1000 =
  9. 9.338 × 10 =
  10. 10.300 × 10 =
  11. 11.10 × 100 =
  12. 12.17 × ? = 17000
  13. 13.70 × ? = 7000
  14. 14.787 × 10 =
  15. 15.36 × 1000 =
  16. 16.12 × 100 =
  17. 17.41 × 1000 =
  18. 18.13 × 1000 =
  19. 19.220 × 10 =
  20. 20.11 × 1000 =
  21. 21.34 × 100 =
  22. 22.756 × 10 =
  23. 23.2 × ? = 2000
  24. 24.35 × 1000 =
  25. 25.994 × 10 =
  26. 26.542 × 10 =
  27. 27.34 × 1000 =
  28. 28.580 × 10 =
  29. 29.89 × 100 =
  30. 30.318 × 10 =
  31. 31.186 × 10 =
  32. 32.4 × 1000 =
  33. 33.78 × 100 =
  34. 34.277 × ? = 2770
  35. 35.889 × 10 =
  36. 36.24 × ? = 24000
  37. 37.834 × 10 =
  38. 38.25 × 1000 =
  39. 39.6 × 1000 =
  40. 40.311 × 10 =

Answer key

  1. 6500
  2. 2100
  3. 10
  4. 470
  5. 10
  6. 21000
  7. 44000
  8. 7000
  9. 3380
  10. 3000
  11. 1000
  12. 1000
  13. 100
  14. 7870
  15. 36000
  16. 1200
  17. 41000
  18. 13000
  19. 2200
  20. 11000
  21. 3400
  22. 7560
  23. 1000
  24. 35000
  25. 9940
  26. 5420
  27. 34000
  28. 5800
  29. 8900
  30. 3180
  31. 1860
  32. 4000
  33. 7800
  34. 10
  35. 8890
  36. 1000
  37. 8340
  38. 25000
  39. 6000
  40. 3110

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