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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 669 · 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. 1.23 × ? = 23000
  2. 2.35 × ? = 35000
  3. 3.21 × ? = 2100
  4. 4.4 × ? = 4000
  5. 5.40 × 1000 =
  6. 6.381 × ? = 3810
  7. 7.24 × 1000 =
  8. 8.96 × 100 =
  9. 9.15 × 1000 =
  10. 10.47 × 1000 =
  11. 11.33 × 1000 =
  12. 12.9 × ? = 900
  13. 13.538 × ? = 5380
  14. 14.58 × 100 =
  15. 15.61 × 10 =
  16. 16.92 × 100 =
  17. 17.30 × 100 =
  18. 18.32 × 10 =
  19. 19.614 × 10 =
  20. 20.49 × ? = 4900
  21. 21.52 × ? = 520
  22. 22.27 × ? = 27000
  23. 23.39 × ? = 3900
  24. 24.24 × 100 =
  25. 25.99 × ? = 9900
  26. 26.34 × 1000 =
  27. 27.252 × 10 =
  28. 28.86 × 100 =
  29. 29.560 × 10 =
  30. 30.919 × ? = 9190
  31. 31.48 × ? = 4800
  32. 32.108 × 10 =
  33. 33.37 × 1000 =
  34. 34.49 × 1000 =
  35. 35.45 × ? = 450
  36. 36.476 × ? = 4760
  37. 37.292 × 10 =
  38. 38.840 × 10 =
  39. 39.875 × 10 =
  40. 40.940 × ? = 9400

Answer key

  1. 1000
  2. 1000
  3. 100
  4. 1000
  5. 40000
  6. 10
  7. 24000
  8. 9600
  9. 15000
  10. 47000
  11. 33000
  12. 100
  13. 10
  14. 5800
  15. 610
  16. 9200
  17. 3000
  18. 320
  19. 6140
  20. 100
  21. 10
  22. 1000
  23. 100
  24. 2400
  25. 100
  26. 34000
  27. 2520
  28. 8600
  29. 5600
  30. 10
  31. 100
  32. 1080
  33. 37000
  34. 49000
  35. 10
  36. 10
  37. 2920
  38. 8400
  39. 8750
  40. 10

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