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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 348 · 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. 1.255 × 10 =
  2. 2.7 × ? = 700
  3. 3.15 × ? = 1500
  4. 4.561 × 10 =
  5. 5.12 × ? = 1200
  6. 6.491 × 10 =
  7. 7.840 × 10 =
  8. 8.256 × ? = 2560
  9. 9.179 × ? = 1790
  10. 10.30 × 1000 =
  11. 11.48 × 1000 =
  12. 12.148 × 10 =
  13. 13.15 × 1000 =
  14. 14.93 × ? = 9300
  15. 15.32 × ? = 32000
  16. 16.195 × ? = 1950
  17. 17.19 × 100 =
  18. 18.9 × ? = 900
  19. 19.863 × 10 =
  20. 20.186 × ? = 1860
  21. 21.756 × 10 =
  22. 22.361 × 10 =
  23. 23.33 × 1000 =
  24. 24.59 × ? = 5900
  25. 25.438 × 10 =
  26. 26.34 × 1000 =
  27. 27.837 × ? = 8370
  28. 28.67 × 100 =
  29. 29.199 × ? = 1990
  30. 30.69 × 100 =
  31. 31.65 × ? = 6500
  32. 32.62 × 100 =
  33. 33.13 × ? = 13000
  34. 34.64 × ? = 6400
  35. 35.943 × ? = 9430
  36. 36.939 × 10 =
  37. 37.73 × ? = 7300
  38. 38.513 × 10 =
  39. 39.29 × 1000 =
  40. 40.88 × ? = 8800

Answer key

  1. 2550
  2. 100
  3. 100
  4. 5610
  5. 100
  6. 4910
  7. 8400
  8. 10
  9. 10
  10. 30000
  11. 48000
  12. 1480
  13. 15000
  14. 100
  15. 1000
  16. 10
  17. 1900
  18. 100
  19. 8630
  20. 10
  21. 7560
  22. 3610
  23. 33000
  24. 100
  25. 4380
  26. 34000
  27. 10
  28. 6700
  29. 10
  30. 6900
  31. 100
  32. 6200
  33. 1000
  34. 100
  35. 10
  36. 9390
  37. 100
  38. 5130
  39. 29000
  40. 100

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