← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 573 · 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. 1.18.79 × 10 =
  2. 2.7.61 × 100 =
  3. 3.41.31 ÷ 100 =
  4. 4.424.4 ÷ 1000 =
  5. 5.45.19 ÷ 10 =
  6. 6.446.8 ÷ 100 =
  7. 7.280.5 ÷ 100 =
  8. 8.251.3 × 10 =
  9. 9.32.76 ÷ 1000 =
  10. 10.12.15 ÷ 100 =
  11. 11.29.52 × 10 =
  12. 12.19.48 × 1000 =
  13. 13.22.31 ÷ 1000 =
  14. 14.1.21 × 100 =
  15. 15.320.3 ÷ 1000 =
  16. 16.252.1 ÷ 10 =
  17. 17.413.1 ÷ 1000 =
  18. 18.2.06 × 1000 =
  19. 19.34.25 ÷ 10 =
  20. 20.25.76 ÷ 1000 =
  21. 21.38.54 ÷ 100 =
  22. 22.8.01 ÷ 100 =
  23. 23.32.11 × 100 =
  24. 24.24.14 × 100 =
  25. 25.330.4 × 10 =
  26. 26.27.92 ÷ 100 =
  27. 27.160.4 × 10 =
  28. 28.209.8 ÷ 100 =
  29. 29.23.5 ÷ 10 =
  30. 30.120.6 × 100 =
  31. 31.95.5 ÷ 10 =
  32. 32.60.8 ÷ 1000 =
  33. 33.379.9 × 1000 =
  34. 34.134.5 × 1000 =
  35. 35.3.77 ÷ 1000 =
  36. 36.13.58 × 1000 =
  37. 37.153.1 ÷ 10 =
  38. 38.490.9 × 1000 =
  39. 39.212.4 × 10 =
  40. 40.17.87 × 10 =

Answer key

  1. 187.9
  2. 761
  3. 0.4131
  4. 0.4244
  5. 4.519
  6. 4.468
  7. 2.805
  8. 2513
  9. 0.03276
  10. 0.1215
  11. 295.2
  12. 19480
  13. 0.02231
  14. 121
  15. 0.3203
  16. 25.21
  17. 0.4131
  18. 2060
  19. 3.425
  20. 0.02576
  21. 0.3854
  22. 0.0801
  23. 3211
  24. 2414
  25. 3304
  26. 0.2792
  27. 1604
  28. 2.098
  29. 2.35
  30. 12060
  31. 9.55
  32. 0.0608
  33. 379900
  34. 134500
  35. 0.00377
  36. 13580
  37. 15.31
  38. 490900
  39. 2124
  40. 178.7

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