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

Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 244 · 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. 1.2.6 × 0.8 — where does the decimal point go? (a) 2.08 (b) 0.0208 (c) 20.8 (d) 0.208
  2. 2.0.98 × 1.3 — where does the decimal point go? (a) 0.1274 (b) 1.274 (c) 0.01274 (d) 12.74
  3. 3.0.67 × 1.6 — where does the decimal point go? (a) 0.1072 (b) 1.072 (c) 0.01072 (d) 10.72
  4. 4.0.96 × 1.2 — where does the decimal point go? (a) 1.152 (b) 0.01152 (c) 0.1152 (d) 11.52
  5. 5.0.29 × 0.7 — where does the decimal point go? (a) 2.03 (b) 0.00203 (c) 0.0203 (d) 0.203
  6. 6.0.14 × 7 — where does the decimal point go? (a) 0.98 (b) 0.098 (c) 0.0098 (d) 9.8
  7. 7.0.83 × 48 — where does the decimal point go? (a) 0.3984 (b) 398.4 (c) 39.84 (d) 3.984
  8. 8.8.7 × 28 — where does the decimal point go? (a) 243.6 (b) 24.36 (c) 2.436 (d) 2436
  9. 9.6.4 × 1.7 — where does the decimal point go? (a) 0.1088 (b) 1.088 (c) 10.88 (d) 108.8
  10. 10.3.1 × 0.9 — where does the decimal point go? (a) 0.0279 (b) 2.79 (c) 0.279 (d) 27.9
  11. 11.0.21 × 4.6 — where does the decimal point go? (a) 0.966 (b) 0.0966 (c) 9.66 (d) 0.00966
  12. 12.3.7 × 0.2 — where does the decimal point go? (a) 0.0074 (b) 7.4 (c) 0.74 (d) 0.074
  13. 13.0.26 × 48 — where does the decimal point go? (a) 0.1248 (b) 1.248 (c) 12.48 (d) 124.8
  14. 14.0.77 × 5 — where does the decimal point go? (a) 3.85 (b) 0.385 (c) 0.0385 (d) 38.5
  15. 15.7.2 × 0.2 — where does the decimal point go? (a) 14.4 (b) 0.0144 (c) 1.44 (d) 0.144
  16. 16.0.61 × 1.6 — where does the decimal point go? (a) 0.0976 (b) 0.976 (c) 0.00976 (d) 9.76
  17. 17.0.43 × 9 — where does the decimal point go? (a) 38.7 (b) 0.0387 (c) 3.87 (d) 0.387
  18. 18.0.23 × 0.3 — where does the decimal point go? (a) 0.0069 (b) 0.069 (c) 0.69 (d) 0.00069
  19. 19.0.57 × 1.6 — where does the decimal point go? (a) 9.12 (b) 0.912 (c) 0.0912 (d) 0.00912
  20. 20.3.9 × 0.2 — where does the decimal point go? (a) 0.78 (b) 0.078 (c) 7.8 (d) 0.0078
  21. 21.7.1 × 5 — where does the decimal point go? (a) 35.5 (b) 0.355 (c) 3.55 (d) 355
  22. 22.1.6 × 0.9 — where does the decimal point go? (a) 1.44 (b) 0.0144 (c) 0.144 (d) 14.4
  23. 23.0.69 × 9 — where does the decimal point go? (a) 0.0621 (b) 62.1 (c) 6.21 (d) 0.621
  24. 24.0.59 × 23 — where does the decimal point go? (a) 13.57 (b) 0.1357 (c) 1.357 (d) 135.7
  25. 25.9.8 × 3.2 — where does the decimal point go? (a) 0.3136 (b) 31.36 (c) 3.136 (d) 313.6
  26. 26.0.82 × 1.7 — where does the decimal point go? (a) 0.01394 (b) 13.94 (c) 0.1394 (d) 1.394
  27. 27.8.4 × 0.8 — where does the decimal point go? (a) 0.0672 (b) 67.2 (c) 0.672 (d) 6.72
  28. 28.2.9 × 1.5 — where does the decimal point go? (a) 4.35 (b) 0.0435 (c) 43.5 (d) 0.435
  29. 29.2.4 × 3 — where does the decimal point go? (a) 72 (b) 0.72 (c) 0.072 (d) 7.2
  30. 30.0.42 × 1.3 — where does the decimal point go? (a) 0.00546 (b) 0.0546 (c) 0.546 (d) 5.46
  31. 31.0.36 × 0.3 — where does the decimal point go? (a) 0.00108 (b) 1.08 (c) 0.108 (d) 0.0108
  32. 32.8.3 × 1.6 — where does the decimal point go? (a) 0.1328 (b) 13.28 (c) 1.328 (d) 132.8
  33. 33.0.84 × 0.9 — where does the decimal point go? (a) 7.56 (b) 0.0756 (c) 0.00756 (d) 0.756
  34. 34.0.42 × 34 — where does the decimal point go? (a) 1.428 (b) 0.1428 (c) 14.28 (d) 142.8
  35. 35.0.58 × 44 — where does the decimal point go? (a) 2.552 (b) 255.2 (c) 0.2552 (d) 25.52
  36. 36.2.9 × 17 — where does the decimal point go? (a) 493 (b) 49.3 (c) 0.493 (d) 4.93
  37. 37.0.36 × 7 — where does the decimal point go? (a) 25.2 (b) 0.252 (c) 0.0252 (d) 2.52
  38. 38.0.81 × 0.8 — where does the decimal point go? (a) 0.648 (b) 0.0648 (c) 0.00648 (d) 6.48
  39. 39.0.53 × 7 — where does the decimal point go? (a) 37.1 (b) 3.71 (c) 0.0371 (d) 0.371
  40. 40.5.6 × 2 — where does the decimal point go? (a) 112 (b) 0.112 (c) 11.2 (d) 1.12

Answer key

  1. 2.08
  2. 1.274
  3. 1.072
  4. 1.152
  5. 0.203
  6. 0.98
  7. 39.84
  8. 243.6
  9. 10.88
  10. 2.79
  11. 0.966
  12. 0.74
  13. 12.48
  14. 3.85
  15. 1.44
  16. 0.976
  17. 3.87
  18. 0.069
  19. 0.912
  20. 0.78
  21. 35.5
  22. 1.44
  23. 6.21
  24. 13.57
  25. 31.36
  26. 1.394
  27. 6.72
  28. 4.35
  29. 7.2
  30. 0.546
  31. 0.108
  32. 13.28
  33. 0.756
  34. 14.28
  35. 25.52
  36. 49.3
  37. 2.52
  38. 0.648
  39. 3.71
  40. 11.2

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