← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 38 · 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. 1.21.62 × 1000 =
  2. 2.45.63 × 10 =
  3. 3.417.5 × 1000 =
  4. 4.11.34 ÷ 100 =
  5. 5.35.11 × 10 =
  6. 6.18.02 ÷ 1000 =
  7. 7.16.08 × 100 =
  8. 8.246.6 × 10 =
  9. 9.71.9 × 10 =
  10. 10.248.5 × 100 =
  11. 11.95.6 × 10 =
  12. 12.9.5 ÷ 1000 =
  13. 13.37.2 × 1000 =
  14. 14.10.1 × 10 =
  15. 15.4.63 × 1000 =
  16. 16.250.6 × 1000 =
  17. 17.30.43 ÷ 1000 =
  18. 18.194.1 ÷ 1000 =
  19. 19.474.6 ÷ 100 =
  20. 20.266.4 × 10 =
  21. 21.477.5 ÷ 1000 =
  22. 22.342.8 ÷ 100 =
  23. 23.10.42 × 1000 =
  24. 24.139.5 × 10 =
  25. 25.0.91 × 100 =
  26. 26.6.62 × 1000 =
  27. 27.314.2 × 10 =
  28. 28.24.76 × 10 =
  29. 29.2.86 × 10 =
  30. 30.32.76 ÷ 1000 =
  31. 31.126.1 × 10 =
  32. 32.22.98 × 10 =
  33. 33.13.1 × 100 =
  34. 34.31.48 × 1000 =
  35. 35.30.6 × 10 =
  36. 36.45.19 × 10 =
  37. 37.112.1 ÷ 10 =
  38. 38.39.04 ÷ 100 =
  39. 39.15.96 ÷ 100 =
  40. 40.16.73 × 1000 =

Answer key

  1. 21620
  2. 456.3
  3. 417500
  4. 0.1134
  5. 351.1
  6. 0.01802
  7. 1608
  8. 2466
  9. 719
  10. 24850
  11. 956
  12. 0.0095
  13. 37200
  14. 101
  15. 4630
  16. 250600
  17. 0.03043
  18. 0.1941
  19. 4.746
  20. 2664
  21. 0.4775
  22. 3.428
  23. 10420
  24. 1395
  25. 91
  26. 6620
  27. 3142
  28. 247.6
  29. 28.6
  30. 0.03276
  31. 1261
  32. 229.8
  33. 1310
  34. 31480
  35. 306
  36. 451.9
  37. 11.21
  38. 0.3904
  39. 0.1596
  40. 16730

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