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

Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 34 · 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. 1.0.88 × 6 — where does the decimal point go? (a) 0.0528 (b) 0.528 (c) 52.8 (d) 5.28
  2. 2.0.33 × 4 — where does the decimal point go? (a) 0.132 (b) 1.32 (c) 13.2 (d) 0.0132
  3. 3.4.4 × 3.7 — where does the decimal point go? (a) 0.1628 (b) 162.8 (c) 1.628 (d) 16.28
  4. 4.1.5 × 0.7 — where does the decimal point go? (a) 0.0105 (b) 10.5 (c) 0.105 (d) 1.05
  5. 5.4.7 × 25 — where does the decimal point go? (a) 117.5 (b) 11.75 (c) 1175 (d) 1.175
  6. 6.2.1 × 26 — where does the decimal point go? (a) 546 (b) 5.46 (c) 54.6 (d) 0.546
  7. 7.0.17 × 15 — where does the decimal point go? (a) 0.255 (b) 25.5 (c) 2.55 (d) 0.0255
  8. 8.4.2 × 0.3 — where does the decimal point go? (a) 0.0126 (b) 0.126 (c) 12.6 (d) 1.26
  9. 9.0.62 × 4.3 — where does the decimal point go? (a) 0.02666 (b) 26.66 (c) 0.2666 (d) 2.666
  10. 10.0.47 × 7 — where does the decimal point go? (a) 0.0329 (b) 0.329 (c) 3.29 (d) 32.9
  11. 11.0.34 × 13 — where does the decimal point go? (a) 4.42 (b) 0.442 (c) 44.2 (d) 0.0442
  12. 12.0.13 × 0.7 — where does the decimal point go? (a) 0.00091 (b) 0.091 (c) 0.0091 (d) 0.91
  13. 13.0.97 × 6 — where does the decimal point go? (a) 0.0582 (b) 0.582 (c) 5.82 (d) 58.2
  14. 14.7.3 × 0.2 — where does the decimal point go? (a) 0.146 (b) 1.46 (c) 14.6 (d) 0.0146
  15. 15.0.92 × 9 — where does the decimal point go? (a) 8.28 (b) 82.8 (c) 0.828 (d) 0.0828
  16. 16.0.15 × 0.9 — where does the decimal point go? (a) 0.00135 (b) 0.135 (c) 0.0135 (d) 1.35
  17. 17.1.6 × 0.3 — where does the decimal point go? (a) 4.8 (b) 0.048 (c) 0.48 (d) 0.0048
  18. 18.1.8 × 2.9 — where does the decimal point go? (a) 52.2 (b) 0.0522 (c) 0.522 (d) 5.22
  19. 19.8.1 × 1.9 — where does the decimal point go? (a) 15.39 (b) 153.9 (c) 1.539 (d) 0.1539
  20. 20.0.57 × 3 — where does the decimal point go? (a) 1.71 (b) 0.0171 (c) 0.171 (d) 17.1
  21. 21.0.13 × 27 — where does the decimal point go? (a) 3.51 (b) 0.0351 (c) 0.351 (d) 35.1
  22. 22.0.49 × 0.4 — where does the decimal point go? (a) 0.0196 (b) 0.196 (c) 1.96 (d) 0.00196
  23. 23.0.29 × 38 — where does the decimal point go? (a) 11.02 (b) 0.1102 (c) 110.2 (d) 1.102
  24. 24.0.97 × 11 — where does the decimal point go? (a) 1.067 (b) 0.1067 (c) 10.67 (d) 106.7
  25. 25.5.4 × 2 — where does the decimal point go? (a) 1.08 (b) 0.108 (c) 10.8 (d) 108
  26. 26.2.8 × 0.7 — where does the decimal point go? (a) 0.196 (b) 1.96 (c) 0.0196 (d) 19.6
  27. 27.2.7 × 0.2 — where does the decimal point go? (a) 0.54 (b) 0.054 (c) 0.0054 (d) 5.4
  28. 28.0.18 × 31 — where does the decimal point go? (a) 0.0558 (b) 5.58 (c) 55.8 (d) 0.558
  29. 29.7.9 × 3.2 — where does the decimal point go? (a) 2.528 (b) 0.2528 (c) 252.8 (d) 25.28
  30. 30.0.96 × 11 — where does the decimal point go? (a) 1.056 (b) 10.56 (c) 0.1056 (d) 105.6
  31. 31.2.5 × 3 — where does the decimal point go? (a) 7.5 (b) 0.075 (c) 75 (d) 0.75
  32. 32.7.5 × 7 — where does the decimal point go? (a) 52.5 (b) 0.525 (c) 525 (d) 5.25
  33. 33.3.1 × 1.4 — where does the decimal point go? (a) 4.34 (b) 0.0434 (c) 43.4 (d) 0.434
  34. 34.2.2 × 2 — where does the decimal point go? (a) 44 (b) 4.4 (c) 0.44 (d) 0.044
  35. 35.7.9 × 4.6 — where does the decimal point go? (a) 36.34 (b) 363.4 (c) 3.634 (d) 0.3634
  36. 36.1.9 × 0.2 — where does the decimal point go? (a) 0.38 (b) 0.0038 (c) 0.038 (d) 3.8
  37. 37.4.6 × 3.7 — where does the decimal point go? (a) 170.2 (b) 0.1702 (c) 17.02 (d) 1.702
  38. 38.0.25 × 9 — where does the decimal point go? (a) 0.0225 (b) 22.5 (c) 2.25 (d) 0.225
  39. 39.0.37 × 0.8 — where does the decimal point go? (a) 2.96 (b) 0.0296 (c) 0.00296 (d) 0.296
  40. 40.5.8 × 4 — where does the decimal point go? (a) 0.232 (b) 23.2 (c) 232 (d) 2.32

Answer key

  1. 5.28
  2. 1.32
  3. 16.28
  4. 1.05
  5. 117.5
  6. 54.6
  7. 2.55
  8. 1.26
  9. 2.666
  10. 3.29
  11. 4.42
  12. 0.091
  13. 5.82
  14. 1.46
  15. 8.28
  16. 0.135
  17. 0.48
  18. 5.22
  19. 15.39
  20. 1.71
  21. 3.51
  22. 0.196
  23. 11.02
  24. 10.67
  25. 10.8
  26. 1.96
  27. 0.54
  28. 5.58
  29. 25.28
  30. 10.56
  31. 7.5
  32. 52.5
  33. 4.34
  34. 4.4
  35. 36.34
  36. 0.38
  37. 17.02
  38. 2.25
  39. 0.296
  40. 23.2

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