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

Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 443 · 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. 1.0.26 × 9 — where does the decimal point go? (a) 0.0234 (b) 0.234 (c) 2.34 (d) 23.4
  2. 2.3.1 × 2 — where does the decimal point go? (a) 0.062 (b) 6.2 (c) 62 (d) 0.62
  3. 3.6.2 × 3.9 — where does the decimal point go? (a) 2.418 (b) 241.8 (c) 0.2418 (d) 24.18
  4. 4.0.66 × 4 — where does the decimal point go? (a) 0.264 (b) 2.64 (c) 0.0264 (d) 26.4
  5. 5.2.4 × 14 — where does the decimal point go? (a) 3.36 (b) 33.6 (c) 0.336 (d) 336
  6. 6.4.9 × 9 — where does the decimal point go? (a) 441 (b) 4.41 (c) 0.441 (d) 44.1
  7. 7.4.3 × 0.9 — where does the decimal point go? (a) 3.87 (b) 38.7 (c) 0.0387 (d) 0.387
  8. 8.0.34 × 2.2 — where does the decimal point go? (a) 7.48 (b) 0.00748 (c) 0.0748 (d) 0.748
  9. 9.2.9 × 41 — where does the decimal point go? (a) 11.89 (b) 118.9 (c) 1189 (d) 1.189
  10. 10.1.7 × 21 — where does the decimal point go? (a) 35.7 (b) 3.57 (c) 0.357 (d) 357
  11. 11.0.64 × 0.2 — where does the decimal point go? (a) 0.128 (b) 1.28 (c) 0.00128 (d) 0.0128
  12. 12.0.24 × 7 — where does the decimal point go? (a) 0.0168 (b) 16.8 (c) 1.68 (d) 0.168
  13. 13.0.51 × 24 — where does the decimal point go? (a) 0.1224 (b) 122.4 (c) 12.24 (d) 1.224
  14. 14.0.72 × 0.2 — where does the decimal point go? (a) 1.44 (b) 0.0144 (c) 0.00144 (d) 0.144
  15. 15.0.49 × 1.3 — where does the decimal point go? (a) 0.0637 (b) 0.637 (c) 6.37 (d) 0.00637
  16. 16.0.69 × 4 — where does the decimal point go? (a) 2.76 (b) 27.6 (c) 0.0276 (d) 0.276
  17. 17.3.2 × 3 — where does the decimal point go? (a) 0.096 (b) 9.6 (c) 0.96 (d) 96
  18. 18.0.76 × 19 — where does the decimal point go? (a) 0.1444 (b) 144.4 (c) 1.444 (d) 14.44
  19. 19.2.7 × 42 — where does the decimal point go? (a) 113.4 (b) 11.34 (c) 1.134 (d) 1134
  20. 20.0.85 × 4.1 — where does the decimal point go? (a) 3.485 (b) 0.3485 (c) 0.03485 (d) 34.85
  21. 21.0.43 × 6 — where does the decimal point go? (a) 0.258 (b) 0.0258 (c) 2.58 (d) 25.8
  22. 22.3.5 × 0.9 — where does the decimal point go? (a) 0.0315 (b) 3.15 (c) 0.315 (d) 31.5
  23. 23.0.67 × 2.9 — where does the decimal point go? (a) 1.943 (b) 0.1943 (c) 19.43 (d) 0.01943
  24. 24.0.96 × 23 — where does the decimal point go? (a) 0.2208 (b) 2.208 (c) 22.08 (d) 220.8
  25. 25.0.52 × 43 — where does the decimal point go? (a) 0.2236 (b) 223.6 (c) 22.36 (d) 2.236
  26. 26.0.84 × 41 — where does the decimal point go? (a) 0.3444 (b) 3.444 (c) 344.4 (d) 34.44
  27. 27.0.59 × 1.1 — where does the decimal point go? (a) 6.49 (b) 0.649 (c) 0.0649 (d) 0.00649
  28. 28.0.62 × 4.1 — where does the decimal point go? (a) 25.42 (b) 2.542 (c) 0.02542 (d) 0.2542
  29. 29.0.88 × 0.7 — where does the decimal point go? (a) 0.00616 (b) 6.16 (c) 0.616 (d) 0.0616
  30. 30.1.9 × 7 — where does the decimal point go? (a) 13.3 (b) 0.133 (c) 133 (d) 1.33
  31. 31.0.43 × 0.2 — where does the decimal point go? (a) 0.00086 (b) 0.86 (c) 0.086 (d) 0.0086
  32. 32.2.7 × 14 — where does the decimal point go? (a) 3.78 (b) 0.378 (c) 37.8 (d) 378
  33. 33.2.7 × 2.8 — where does the decimal point go? (a) 0.756 (b) 7.56 (c) 0.0756 (d) 75.6
  34. 34.0.93 × 25 — where does the decimal point go? (a) 232.5 (b) 23.25 (c) 2.325 (d) 0.2325
  35. 35.0.81 × 14 — where does the decimal point go? (a) 0.1134 (b) 113.4 (c) 1.134 (d) 11.34
  36. 36.9.8 × 16 — where does the decimal point go? (a) 1568 (b) 1.568 (c) 15.68 (d) 156.8
  37. 37.0.81 × 8 — where does the decimal point go? (a) 0.648 (b) 0.0648 (c) 6.48 (d) 64.8
  38. 38.0.97 × 3 — where does the decimal point go? (a) 0.291 (b) 2.91 (c) 29.1 (d) 0.0291
  39. 39.0.59 × 4.2 — where does the decimal point go? (a) 2.478 (b) 0.2478 (c) 24.78 (d) 0.02478
  40. 40.1.2 × 7 — where does the decimal point go? (a) 8.4 (b) 84 (c) 0.84 (d) 0.084

Answer key

  1. 2.34
  2. 6.2
  3. 24.18
  4. 2.64
  5. 33.6
  6. 44.1
  7. 3.87
  8. 0.748
  9. 118.9
  10. 35.7
  11. 0.128
  12. 1.68
  13. 12.24
  14. 0.144
  15. 0.637
  16. 2.76
  17. 9.6
  18. 14.44
  19. 113.4
  20. 3.485
  21. 2.58
  22. 3.15
  23. 1.943
  24. 22.08
  25. 22.36
  26. 34.44
  27. 0.649
  28. 2.542
  29. 0.616
  30. 13.3
  31. 0.086
  32. 37.8
  33. 7.56
  34. 23.25
  35. 11.34
  36. 156.8
  37. 6.48
  38. 2.91
  39. 2.478
  40. 8.4

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