← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 188 · 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. 1.47.37 × 100 =
  2. 2.18.87 ÷ 1000 =
  3. 3.8.93 × 100 =
  4. 4.109.4 × 100 =
  5. 5.400.7 ÷ 1000 =
  6. 6.13.11 ÷ 1000 =
  7. 7.128.3 × 100 =
  8. 8.188.8 ÷ 100 =
  9. 9.7.42 × 100 =
  10. 10.97.1 × 10 =
  11. 11.36.5 ÷ 10 =
  12. 12.389.2 × 1000 =
  13. 13.18.79 × 1000 =
  14. 14.9.82 ÷ 10 =
  15. 15.456.7 × 10 =
  16. 16.232.1 ÷ 100 =
  17. 17.41.03 ÷ 10 =
  18. 18.10.04 ÷ 100 =
  19. 19.3.75 × 1000 =
  20. 20.29.67 ÷ 10 =
  21. 21.11.29 ÷ 1000 =
  22. 22.409.5 × 100 =
  23. 23.41.27 × 100 =
  24. 24.393.1 ÷ 1000 =
  25. 25.49.42 × 1000 =
  26. 26.479.8 ÷ 1000 =
  27. 27.43.82 × 1000 =
  28. 28.79.2 ÷ 1000 =
  29. 29.36.06 × 1000 =
  30. 30.387.1 × 100 =
  31. 31.241.6 × 10 =
  32. 32.45.39 × 10 =
  33. 33.27.5 ÷ 100 =
  34. 34.454.1 × 100 =
  35. 35.282.6 × 1000 =
  36. 36.472.6 ÷ 1000 =
  37. 37.15.49 × 100 =
  38. 38.2.01 ÷ 1000 =
  39. 39.23.96 ÷ 100 =
  40. 40.24.58 ÷ 100 =

Answer key

  1. 4737
  2. 0.01887
  3. 893
  4. 10940
  5. 0.4007
  6. 0.01311
  7. 12830
  8. 1.888
  9. 742
  10. 971
  11. 3.65
  12. 389200
  13. 18790
  14. 0.982
  15. 4567
  16. 2.321
  17. 4.103
  18. 0.1004
  19. 3750
  20. 2.967
  21. 0.01129
  22. 40950
  23. 4127
  24. 0.3931
  25. 49420
  26. 0.4798
  27. 43820
  28. 0.0792
  29. 36060
  30. 38710
  31. 2416
  32. 453.9
  33. 0.275
  34. 45410
  35. 282600
  36. 0.4726
  37. 1549
  38. 0.00201
  39. 0.2396
  40. 0.2458

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