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

Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 169 · 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. 1.2.1 × 2.8 — where does the decimal point go? (a) 58.8 (b) 5.88 (c) 0.0588 (d) 0.588
  2. 2.6.2 × 29 — where does the decimal point go? (a) 179.8 (b) 1.798 (c) 17.98 (d) 1798
  3. 3.8.1 × 4 — where does the decimal point go? (a) 3.24 (b) 324 (c) 0.324 (d) 32.4
  4. 4.0.33 × 25 — where does the decimal point go? (a) 0.825 (b) 8.25 (c) 82.5 (d) 0.0825
  5. 5.3.1 × 7 — where does the decimal point go? (a) 217 (b) 2.17 (c) 0.217 (d) 21.7
  6. 6.4.7 × 4 — where does the decimal point go? (a) 1.88 (b) 188 (c) 18.8 (d) 0.188
  7. 7.0.24 × 2.9 — where does the decimal point go? (a) 0.0696 (b) 6.96 (c) 0.00696 (d) 0.696
  8. 8.2.6 × 3 — where does the decimal point go? (a) 0.78 (b) 7.8 (c) 0.078 (d) 78
  9. 9.1.7 × 1.3 — where does the decimal point go? (a) 0.0221 (b) 0.221 (c) 22.1 (d) 2.21
  10. 10.0.91 × 49 — where does the decimal point go? (a) 445.9 (b) 44.59 (c) 4.459 (d) 0.4459
  11. 11.2.6 × 0.4 — where does the decimal point go? (a) 0.0104 (b) 0.104 (c) 10.4 (d) 1.04
  12. 12.0.62 × 24 — where does the decimal point go? (a) 148.8 (b) 14.88 (c) 1.488 (d) 0.1488
  13. 13.0.68 × 6 — where does the decimal point go? (a) 0.0408 (b) 0.408 (c) 40.8 (d) 4.08
  14. 14.0.31 × 0.7 — where does the decimal point go? (a) 0.217 (b) 2.17 (c) 0.0217 (d) 0.00217
  15. 15.8.4 × 0.3 — where does the decimal point go? (a) 0.0252 (b) 25.2 (c) 0.252 (d) 2.52
  16. 16.8.4 × 0.2 — where does the decimal point go? (a) 0.168 (b) 16.8 (c) 0.0168 (d) 1.68
  17. 17.0.62 × 2 — where does the decimal point go? (a) 12.4 (b) 0.124 (c) 0.0124 (d) 1.24
  18. 18.3.3 × 5 — where does the decimal point go? (a) 0.165 (b) 165 (c) 1.65 (d) 16.5
  19. 19.1.6 × 1.9 — where does the decimal point go? (a) 3.04 (b) 0.304 (c) 30.4 (d) 0.0304
  20. 20.1.2 × 0.3 — where does the decimal point go? (a) 0.36 (b) 0.036 (c) 0.0036 (d) 3.6
  21. 21.0.73 × 24 — where does the decimal point go? (a) 0.1752 (b) 1.752 (c) 17.52 (d) 175.2
  22. 22.6.5 × 9 — where does the decimal point go? (a) 0.585 (b) 585 (c) 5.85 (d) 58.5
  23. 23.6.2 × 0.8 — where does the decimal point go? (a) 0.0496 (b) 0.496 (c) 4.96 (d) 49.6
  24. 24.1.9 × 4 — where does the decimal point go? (a) 7.6 (b) 0.76 (c) 0.076 (d) 76
  25. 25.0.44 × 8 — where does the decimal point go? (a) 3.52 (b) 0.352 (c) 0.0352 (d) 35.2
  26. 26.7.3 × 1.7 — where does the decimal point go? (a) 0.1241 (b) 12.41 (c) 124.1 (d) 1.241
  27. 27.0.44 × 1.4 — where does the decimal point go? (a) 0.616 (b) 0.0616 (c) 0.00616 (d) 6.16
  28. 28.2.2 × 3.9 — where does the decimal point go? (a) 8.58 (b) 0.858 (c) 0.0858 (d) 85.8
  29. 29.3.1 × 3.1 — where does the decimal point go? (a) 0.0961 (b) 0.961 (c) 96.1 (d) 9.61
  30. 30.0.27 × 4.3 — where does the decimal point go? (a) 0.01161 (b) 0.1161 (c) 11.61 (d) 1.161
  31. 31.0.64 × 0.2 — where does the decimal point go? (a) 0.128 (b) 1.28 (c) 0.00128 (d) 0.0128
  32. 32.0.21 × 2.5 — where does the decimal point go? (a) 0.00525 (b) 5.25 (c) 0.0525 (d) 0.525
  33. 33.5.3 × 0.7 — where does the decimal point go? (a) 0.0371 (b) 0.371 (c) 37.1 (d) 3.71
  34. 34.0.73 × 0.3 — where does the decimal point go? (a) 0.0219 (b) 0.00219 (c) 0.219 (d) 2.19
  35. 35.3.4 × 0.4 — where does the decimal point go? (a) 13.6 (b) 0.136 (c) 0.0136 (d) 1.36
  36. 36.4.4 × 9 — where does the decimal point go? (a) 3.96 (b) 39.6 (c) 396 (d) 0.396
  37. 37.0.63 × 0.6 — where does the decimal point go? (a) 0.378 (b) 0.0378 (c) 3.78 (d) 0.00378
  38. 38.0.31 × 9 — where does the decimal point go? (a) 0.0279 (b) 27.9 (c) 0.279 (d) 2.79
  39. 39.3.2 × 43 — where does the decimal point go? (a) 13.76 (b) 1376 (c) 1.376 (d) 137.6
  40. 40.7.9 × 0.2 — where does the decimal point go? (a) 0.0158 (b) 1.58 (c) 0.158 (d) 15.8

Answer key

  1. 5.88
  2. 179.8
  3. 32.4
  4. 8.25
  5. 21.7
  6. 18.8
  7. 0.696
  8. 7.8
  9. 2.21
  10. 44.59
  11. 1.04
  12. 14.88
  13. 4.08
  14. 0.217
  15. 2.52
  16. 1.68
  17. 1.24
  18. 16.5
  19. 3.04
  20. 0.36
  21. 17.52
  22. 58.5
  23. 4.96
  24. 7.6
  25. 3.52
  26. 12.41
  27. 0.616
  28. 8.58
  29. 9.61
  30. 1.161
  31. 0.128
  32. 0.525
  33. 3.71
  34. 0.219
  35. 1.36
  36. 39.6
  37. 0.378
  38. 2.79
  39. 137.6
  40. 1.58

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