← Where does the decimal point go? lesson New set →

Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 179 · 40 questions
TalentJR

The trick (Count the places): Forget the points and multiply the whole numbers. Count all the digits after the points in the question. Put the point that many places from the right, then check by rounding.

NameDateTime takenScore ___ / 40
  1. 1.0.83 × 0.6 — where does the decimal point go? (a) 0.0498 (b) 0.00498 (c) 0.498 (d) 4.98
  2. 2.7.3 × 0.9 — where does the decimal point go? (a) 6.57 (b) 0.0657 (c) 65.7 (d) 0.657
  3. 3.0.77 × 3.5 — where does the decimal point go? (a) 26.95 (b) 0.2695 (c) 2.695 (d) 0.02695
  4. 4.5.6 × 3 — where does the decimal point go? (a) 16.8 (b) 0.168 (c) 1.68 (d) 168
  5. 5.0.25 × 9 — where does the decimal point go? (a) 2.25 (b) 0.225 (c) 0.0225 (d) 22.5
  6. 6.0.99 × 1.8 — where does the decimal point go? (a) 1.782 (b) 17.82 (c) 0.1782 (d) 0.01782
  7. 7.0.33 × 2.6 — where does the decimal point go? (a) 0.00858 (b) 0.0858 (c) 8.58 (d) 0.858
  8. 8.0.46 × 0.8 — where does the decimal point go? (a) 0.368 (b) 3.68 (c) 0.0368 (d) 0.00368
  9. 9.2.4 × 3.9 — where does the decimal point go? (a) 0.936 (b) 0.0936 (c) 93.6 (d) 9.36
  10. 10.5.4 × 0.9 — where does the decimal point go? (a) 0.0486 (b) 0.486 (c) 4.86 (d) 48.6
  11. 11.0.53 × 0.4 — where does the decimal point go? (a) 0.0212 (b) 0.00212 (c) 2.12 (d) 0.212
  12. 12.0.73 × 4 — where does the decimal point go? (a) 2.92 (b) 29.2 (c) 0.0292 (d) 0.292
  13. 13.1.8 × 0.6 — where does the decimal point go? (a) 1.08 (b) 10.8 (c) 0.108 (d) 0.0108
  14. 14.0.99 × 43 — where does the decimal point go? (a) 4.257 (b) 42.57 (c) 425.7 (d) 0.4257
  15. 15.0.97 × 4.5 — where does the decimal point go? (a) 0.4365 (b) 43.65 (c) 0.04365 (d) 4.365
  16. 16.8.6 × 0.9 — where does the decimal point go? (a) 0.0774 (b) 7.74 (c) 0.774 (d) 77.4
  17. 17.0.48 × 9 — where does the decimal point go? (a) 0.0432 (b) 43.2 (c) 0.432 (d) 4.32
  18. 18.3.3 × 0.7 — where does the decimal point go? (a) 0.231 (b) 23.1 (c) 2.31 (d) 0.0231
  19. 19.0.41 × 37 — where does the decimal point go? (a) 0.1517 (b) 151.7 (c) 1.517 (d) 15.17
  20. 20.2.9 × 0.9 — where does the decimal point go? (a) 0.0261 (b) 26.1 (c) 2.61 (d) 0.261
  21. 21.0.74 × 4.8 — where does the decimal point go? (a) 3.552 (b) 0.3552 (c) 35.52 (d) 0.03552
  22. 22.0.49 × 6 — where does the decimal point go? (a) 0.294 (b) 2.94 (c) 29.4 (d) 0.0294
  23. 23.0.12 × 0.8 — where does the decimal point go? (a) 0.0096 (b) 0.096 (c) 0.96 (d) 0.00096
  24. 24.4.7 × 46 — where does the decimal point go? (a) 2162 (b) 216.2 (c) 21.62 (d) 2.162
  25. 25.0.27 × 4 — where does the decimal point go? (a) 0.108 (b) 10.8 (c) 1.08 (d) 0.0108
  26. 26.1.5 × 0.5 — where does the decimal point go? (a) 0.0075 (b) 0.075 (c) 0.75 (d) 7.5
  27. 27.0.54 × 9 — where does the decimal point go? (a) 4.86 (b) 48.6 (c) 0.486 (d) 0.0486
  28. 28.0.72 × 2 — where does the decimal point go? (a) 0.0144 (b) 0.144 (c) 1.44 (d) 14.4
  29. 29.0.32 × 13 — where does the decimal point go? (a) 0.416 (b) 41.6 (c) 4.16 (d) 0.0416
  30. 30.6.3 × 6 — where does the decimal point go? (a) 0.378 (b) 3.78 (c) 37.8 (d) 378
  31. 31.0.42 × 1.3 — where does the decimal point go? (a) 0.0546 (b) 0.546 (c) 0.00546 (d) 5.46
  32. 32.0.61 × 2.4 — where does the decimal point go? (a) 14.64 (b) 0.1464 (c) 0.01464 (d) 1.464
  33. 33.9.2 × 46 — where does the decimal point go? (a) 423.2 (b) 4.232 (c) 4232 (d) 42.32
  34. 34.0.51 × 1.5 — where does the decimal point go? (a) 0.0765 (b) 0.765 (c) 0.00765 (d) 7.65
  35. 35.0.84 × 3 — where does the decimal point go? (a) 25.2 (b) 2.52 (c) 0.0252 (d) 0.252
  36. 36.0.87 × 0.4 — where does the decimal point go? (a) 0.0348 (b) 0.348 (c) 0.00348 (d) 3.48
  37. 37.2.3 × 7 — where does the decimal point go? (a) 0.161 (b) 16.1 (c) 161 (d) 1.61
  38. 38.8.5 × 0.7 — where does the decimal point go? (a) 59.5 (b) 5.95 (c) 0.0595 (d) 0.595
  39. 39.2.8 × 4 — where does the decimal point go? (a) 1.12 (b) 0.112 (c) 11.2 (d) 112
  40. 40.0.17 × 3.3 — where does the decimal point go? (a) 0.0561 (b) 5.61 (c) 0.561 (d) 0.00561

Answer key

  1. 0.498
  2. 6.57
  3. 2.695
  4. 16.8
  5. 2.25
  6. 1.782
  7. 0.858
  8. 0.368
  9. 9.36
  10. 4.86
  11. 0.212
  12. 2.92
  13. 1.08
  14. 42.57
  15. 4.365
  16. 7.74
  17. 4.32
  18. 2.31
  19. 15.17
  20. 2.61
  21. 3.552
  22. 2.94
  23. 0.096
  24. 216.2
  25. 1.08
  26. 0.75
  27. 4.86
  28. 1.44
  29. 4.16
  30. 37.8
  31. 0.546
  32. 1.464
  33. 423.2
  34. 0.765
  35. 2.52
  36. 0.348
  37. 16.1
  38. 5.95
  39. 11.2
  40. 0.561

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