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

Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 166 · 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. 1.0.51 × 4 — where does the decimal point go? (a) 0.0204 (b) 20.4 (c) 0.204 (d) 2.04
  2. 2.3.2 × 0.3 — where does the decimal point go? (a) 9.6 (b) 0.096 (c) 0.0096 (d) 0.96
  3. 3.0.55 × 0.3 — where does the decimal point go? (a) 0.0165 (b) 1.65 (c) 0.165 (d) 0.00165
  4. 4.9.7 × 1.9 — where does the decimal point go? (a) 0.1843 (b) 184.3 (c) 1.843 (d) 18.43
  5. 5.0.14 × 3 — where does the decimal point go? (a) 0.042 (b) 4.2 (c) 0.0042 (d) 0.42
  6. 6.0.16 × 1.3 — where does the decimal point go? (a) 0.208 (b) 0.00208 (c) 0.0208 (d) 2.08
  7. 7.3.2 × 24 — where does the decimal point go? (a) 76.8 (b) 768 (c) 7.68 (d) 0.768
  8. 8.0.41 × 0.4 — where does the decimal point go? (a) 1.64 (b) 0.0164 (c) 0.00164 (d) 0.164
  9. 9.0.19 × 32 — where does the decimal point go? (a) 0.608 (b) 0.0608 (c) 60.8 (d) 6.08
  10. 10.2.5 × 0.5 — where does the decimal point go? (a) 0.0125 (b) 12.5 (c) 0.125 (d) 1.25
  11. 11.1.4 × 2.7 — where does the decimal point go? (a) 0.378 (b) 37.8 (c) 3.78 (d) 0.0378
  12. 12.0.52 × 0.8 — where does the decimal point go? (a) 4.16 (b) 0.416 (c) 0.00416 (d) 0.0416
  13. 13.0.12 × 3.4 — where does the decimal point go? (a) 0.408 (b) 0.0408 (c) 0.00408 (d) 4.08
  14. 14.0.52 × 3.3 — where does the decimal point go? (a) 0.1716 (b) 0.01716 (c) 1.716 (d) 17.16
  15. 15.3.3 × 22 — where does the decimal point go? (a) 72.6 (b) 7.26 (c) 0.726 (d) 726
  16. 16.1.6 × 7 — where does the decimal point go? (a) 0.112 (b) 1.12 (c) 11.2 (d) 112
  17. 17.5.7 × 1.7 — where does the decimal point go? (a) 9.69 (b) 0.969 (c) 0.0969 (d) 96.9
  18. 18.0.27 × 0.3 — where does the decimal point go? (a) 0.81 (b) 0.0081 (c) 0.00081 (d) 0.081
  19. 19.0.29 × 9 — where does the decimal point go? (a) 2.61 (b) 0.0261 (c) 0.261 (d) 26.1
  20. 20.6.2 × 0.9 — where does the decimal point go? (a) 0.558 (b) 0.0558 (c) 55.8 (d) 5.58
  21. 21.0.64 × 2.9 — where does the decimal point go? (a) 0.1856 (b) 0.01856 (c) 18.56 (d) 1.856
  22. 22.0.23 × 0.7 — where does the decimal point go? (a) 0.0161 (b) 0.00161 (c) 0.161 (d) 1.61
  23. 23.0.25 × 7 — where does the decimal point go? (a) 17.5 (b) 0.0175 (c) 0.175 (d) 1.75
  24. 24.0.97 × 8 — where does the decimal point go? (a) 7.76 (b) 0.776 (c) 0.0776 (d) 77.6
  25. 25.0.88 × 38 — where does the decimal point go? (a) 0.3344 (b) 33.44 (c) 334.4 (d) 3.344
  26. 26.0.62 × 9 — where does the decimal point go? (a) 5.58 (b) 0.558 (c) 55.8 (d) 0.0558
  27. 27.8.4 × 7 — where does the decimal point go? (a) 588 (b) 0.588 (c) 5.88 (d) 58.8
  28. 28.0.92 × 16 — where does the decimal point go? (a) 0.1472 (b) 1.472 (c) 147.2 (d) 14.72
  29. 29.6.3 × 0.7 — where does the decimal point go? (a) 0.441 (b) 0.0441 (c) 4.41 (d) 44.1
  30. 30.9.1 × 0.4 — where does the decimal point go? (a) 0.0364 (b) 0.364 (c) 36.4 (d) 3.64
  31. 31.1.6 × 2 — where does the decimal point go? (a) 32 (b) 0.032 (c) 3.2 (d) 0.32
  32. 32.0.58 × 44 — where does the decimal point go? (a) 0.2552 (b) 2.552 (c) 25.52 (d) 255.2
  33. 33.0.63 × 0.9 — where does the decimal point go? (a) 0.00567 (b) 5.67 (c) 0.567 (d) 0.0567
  34. 34.8.7 × 0.6 — where does the decimal point go? (a) 0.522 (b) 0.0522 (c) 5.22 (d) 52.2
  35. 35.8.1 × 2 — where does the decimal point go? (a) 0.162 (b) 1.62 (c) 162 (d) 16.2
  36. 36.6.1 × 4 — where does the decimal point go? (a) 2.44 (b) 0.244 (c) 244 (d) 24.4
  37. 37.0.76 × 23 — where does the decimal point go? (a) 0.1748 (b) 1.748 (c) 17.48 (d) 174.8
  38. 38.3.1 × 32 — where does the decimal point go? (a) 9.92 (b) 992 (c) 0.992 (d) 99.2
  39. 39.0.17 × 0.2 — where does the decimal point go? (a) 0.34 (b) 0.034 (c) 0.0034 (d) 0.00034
  40. 40.3.5 × 0.3 — where does the decimal point go? (a) 1.05 (b) 10.5 (c) 0.105 (d) 0.0105

Answer key

  1. 2.04
  2. 0.96
  3. 0.165
  4. 18.43
  5. 0.42
  6. 0.208
  7. 76.8
  8. 0.164
  9. 6.08
  10. 1.25
  11. 3.78
  12. 0.416
  13. 0.408
  14. 1.716
  15. 72.6
  16. 11.2
  17. 9.69
  18. 0.081
  19. 2.61
  20. 5.58
  21. 1.856
  22. 0.161
  23. 1.75
  24. 7.76
  25. 33.44
  26. 5.58
  27. 58.8
  28. 14.72
  29. 4.41
  30. 3.64
  31. 3.2
  32. 25.52
  33. 0.567
  34. 5.22
  35. 16.2
  36. 24.4
  37. 17.48
  38. 99.2
  39. 0.034
  40. 1.05

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