← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 52 · 40 questions
TalentJR

The fast method (Jump the point): Count the zeros: 10 → 1 jump, 100 → 2 jumps, 1000 → 3 jumps. × moves the point right; ÷ moves it left. Run out of digits? Fill the gaps with 0s. Drop 0s at the end of a decimal: 3.40 is 3.4.

NameDateTime takenScore ___ / 40
  1. 1.305.1 × 1000 =
  2. 2.49.65 ÷ 10 =
  3. 3.433.9 ÷ 100 =
  4. 4.432.5 × 10 =
  5. 5.211.9 × 100 =
  6. 6.183.2 × 1000 =
  7. 7.12.21 ÷ 1000 =
  8. 8.357.1 ÷ 1000 =
  9. 9.46.11 × 10 =
  10. 10.222.7 × 100 =
  11. 11.63.8 ÷ 10 =
  12. 12.46.1 × 10 =
  13. 13.47.49 × 10 =
  14. 14.12.29 × 10 =
  15. 15.451.6 × 10 =
  16. 16.221.2 × 10 =
  17. 17.18.33 × 10 =
  18. 18.104.5 × 1000 =
  19. 19.6.19 × 10 =
  20. 20.389.6 × 100 =
  21. 21.390.7 × 1000 =
  22. 22.79.9 ÷ 10 =
  23. 23.179.8 ÷ 100 =
  24. 24.7.46 ÷ 100 =
  25. 25.44.49 ÷ 100 =
  26. 26.452.2 × 1000 =
  27. 27.160.6 ÷ 1000 =
  28. 28.21.86 ÷ 100 =
  29. 29.15.13 ÷ 10 =
  30. 30.24.13 ÷ 1000 =
  31. 31.435.7 × 10 =
  32. 32.246.1 ÷ 100 =
  33. 33.132.8 × 100 =
  34. 34.9.21 × 100 =
  35. 35.13.52 ÷ 100 =
  36. 36.18.88 × 10 =
  37. 37.13.11 ÷ 10 =
  38. 38.34.92 ÷ 1000 =
  39. 39.25.8 × 10 =
  40. 40.45.93 × 1000 =

Answer key

  1. 305100
  2. 4.965
  3. 4.339
  4. 4325
  5. 21190
  6. 183200
  7. 0.01221
  8. 0.3571
  9. 461.1
  10. 22270
  11. 6.38
  12. 461
  13. 474.9
  14. 122.9
  15. 4516
  16. 2212
  17. 183.3
  18. 104500
  19. 61.9
  20. 38960
  21. 390700
  22. 7.99
  23. 1.798
  24. 0.0746
  25. 0.4449
  26. 452200
  27. 0.1606
  28. 0.2186
  29. 1.513
  30. 0.02413
  31. 4357
  32. 2.461
  33. 13280
  34. 921
  35. 0.1352
  36. 188.8
  37. 1.311
  38. 0.03492
  39. 258
  40. 45930

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths