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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 519 · 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. 1.345 × 10 =
  2. 2.41 × 1000 =
  3. 3.43 × ? = 43000
  4. 4.12 × 1000 =
  5. 5.307 × ? = 3070
  6. 6.47 × 1000 =
  7. 7.18 × 1000 =
  8. 8.28 × ? = 2800
  9. 9.490 × ? = 4900
  10. 10.628 × 10 =
  11. 11.520 × 10 =
  12. 12.98 × ? = 9800
  13. 13.378 × 10 =
  14. 14.80 × 100 =
  15. 15.267 × 10 =
  16. 16.25 × ? = 25000
  17. 17.31 × ? = 3100
  18. 18.33 × ? = 3300
  19. 19.343 × 10 =
  20. 20.59 × ? = 5900
  21. 21.99 × 10 =
  22. 22.13 × 100 =
  23. 23.143 × ? = 1430
  24. 24.323 × 10 =
  25. 25.19 × 1000 =
  26. 26.98 × 100 =
  27. 27.174 × ? = 1740
  28. 28.154 × ? = 1540
  29. 29.45 × 1000 =
  30. 30.582 × 10 =
  31. 31.21 × ? = 21000
  32. 32.93 × 100 =
  33. 33.18 × 100 =
  34. 34.16 × 1000 =
  35. 35.114 × 10 =
  36. 36.208 × 10 =
  37. 37.84 × 100 =
  38. 38.335 × ? = 3350
  39. 39.24 × ? = 24000
  40. 40.33 × ? = 33000

Answer key

  1. 3450
  2. 41000
  3. 1000
  4. 12000
  5. 10
  6. 47000
  7. 18000
  8. 100
  9. 10
  10. 6280
  11. 5200
  12. 100
  13. 3780
  14. 8000
  15. 2670
  16. 1000
  17. 100
  18. 100
  19. 3430
  20. 100
  21. 990
  22. 1300
  23. 10
  24. 3230
  25. 19000
  26. 9800
  27. 10
  28. 10
  29. 45000
  30. 5820
  31. 1000
  32. 9300
  33. 1800
  34. 16000
  35. 1140
  36. 2080
  37. 8400
  38. 10
  39. 1000
  40. 1000

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