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

Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 850 · 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. 1.1.2 × 37 — where does the decimal point go? (a) 4.44 (b) 444 (c) 0.444 (d) 44.4
  2. 2.2.4 × 8 — where does the decimal point go? (a) 1.92 (b) 192 (c) 0.192 (d) 19.2
  3. 3.0.63 × 47 — where does the decimal point go? (a) 296.1 (b) 0.2961 (c) 2.961 (d) 29.61
  4. 4.5.8 × 6 — where does the decimal point go? (a) 0.348 (b) 34.8 (c) 348 (d) 3.48
  5. 5.8.9 × 0.8 — where does the decimal point go? (a) 0.712 (b) 7.12 (c) 71.2 (d) 0.0712
  6. 6.9.2 × 17 — where does the decimal point go? (a) 156.4 (b) 1564 (c) 1.564 (d) 15.64
  7. 7.2.6 × 2.6 — where does the decimal point go? (a) 0.0676 (b) 0.676 (c) 67.6 (d) 6.76
  8. 8.0.44 × 3 — where does the decimal point go? (a) 0.132 (b) 0.0132 (c) 1.32 (d) 13.2
  9. 9.1.7 × 8 — where does the decimal point go? (a) 136 (b) 13.6 (c) 1.36 (d) 0.136
  10. 10.1.7 × 0.2 — where does the decimal point go? (a) 0.0034 (b) 3.4 (c) 0.34 (d) 0.034
  11. 11.2.1 × 2.1 — where does the decimal point go? (a) 0.0441 (b) 0.441 (c) 44.1 (d) 4.41
  12. 12.3.7 × 3.1 — where does the decimal point go? (a) 0.1147 (b) 11.47 (c) 1.147 (d) 114.7
  13. 13.0.41 × 9 — where does the decimal point go? (a) 0.369 (b) 3.69 (c) 36.9 (d) 0.0369
  14. 14.2.2 × 13 — where does the decimal point go? (a) 28.6 (b) 286 (c) 0.286 (d) 2.86
  15. 15.0.88 × 7 — where does the decimal point go? (a) 0.0616 (b) 0.616 (c) 6.16 (d) 61.6
  16. 16.0.94 × 6 — where does the decimal point go? (a) 5.64 (b) 0.0564 (c) 0.564 (d) 56.4
  17. 17.8.9 × 15 — where does the decimal point go? (a) 1.335 (b) 13.35 (c) 133.5 (d) 1335
  18. 18.2.1 × 6 — where does the decimal point go? (a) 1.26 (b) 12.6 (c) 0.126 (d) 126
  19. 19.2.7 × 0.6 — where does the decimal point go? (a) 1.62 (b) 16.2 (c) 0.162 (d) 0.0162
  20. 20.2.2 × 1.2 — where does the decimal point go? (a) 26.4 (b) 0.0264 (c) 2.64 (d) 0.264
  21. 21.0.14 × 1.2 — where does the decimal point go? (a) 0.00168 (b) 0.0168 (c) 1.68 (d) 0.168
  22. 22.0.74 × 0.6 — where does the decimal point go? (a) 0.00444 (b) 0.0444 (c) 0.444 (d) 4.44
  23. 23.0.24 × 0.4 — where does the decimal point go? (a) 0.0096 (b) 0.96 (c) 0.096 (d) 0.00096
  24. 24.0.71 × 33 — where does the decimal point go? (a) 23.43 (b) 234.3 (c) 0.2343 (d) 2.343
  25. 25.0.95 × 13 — where does the decimal point go? (a) 1.235 (b) 0.1235 (c) 12.35 (d) 123.5
  26. 26.8.3 × 8 — where does the decimal point go? (a) 0.664 (b) 664 (c) 6.64 (d) 66.4
  27. 27.0.54 × 9 — where does the decimal point go? (a) 0.486 (b) 0.0486 (c) 4.86 (d) 48.6
  28. 28.0.81 × 2 — where does the decimal point go? (a) 0.162 (b) 1.62 (c) 16.2 (d) 0.0162
  29. 29.3.7 × 3 — where does the decimal point go? (a) 0.111 (b) 1.11 (c) 111 (d) 11.1
  30. 30.6.1 × 1.9 — where does the decimal point go? (a) 0.1159 (b) 11.59 (c) 115.9 (d) 1.159
  31. 31.0.47 × 22 — where does the decimal point go? (a) 0.1034 (b) 1.034 (c) 103.4 (d) 10.34
  32. 32.7.6 × 0.9 — where does the decimal point go? (a) 0.0684 (b) 68.4 (c) 6.84 (d) 0.684
  33. 33.7.1 × 18 — where does the decimal point go? (a) 127.8 (b) 1.278 (c) 12.78 (d) 1278
  34. 34.0.41 × 38 — where does the decimal point go? (a) 1.558 (b) 0.1558 (c) 15.58 (d) 155.8
  35. 35.0.28 × 17 — where does the decimal point go? (a) 0.476 (b) 47.6 (c) 4.76 (d) 0.0476
  36. 36.0.31 × 47 — where does the decimal point go? (a) 145.7 (b) 1.457 (c) 14.57 (d) 0.1457
  37. 37.0.69 × 0.4 — where does the decimal point go? (a) 0.276 (b) 0.0276 (c) 0.00276 (d) 2.76
  38. 38.8.1 × 2.9 — where does the decimal point go? (a) 2.349 (b) 23.49 (c) 0.2349 (d) 234.9
  39. 39.0.52 × 0.7 — where does the decimal point go? (a) 3.64 (b) 0.0364 (c) 0.00364 (d) 0.364
  40. 40.0.48 × 4 — where does the decimal point go? (a) 1.92 (b) 0.192 (c) 0.0192 (d) 19.2

Answer key

  1. 44.4
  2. 19.2
  3. 29.61
  4. 34.8
  5. 7.12
  6. 156.4
  7. 6.76
  8. 1.32
  9. 13.6
  10. 0.34
  11. 4.41
  12. 11.47
  13. 3.69
  14. 28.6
  15. 6.16
  16. 5.64
  17. 133.5
  18. 12.6
  19. 1.62
  20. 2.64
  21. 0.168
  22. 0.444
  23. 0.096
  24. 23.43
  25. 12.35
  26. 66.4
  27. 4.86
  28. 1.62
  29. 11.1
  30. 11.59
  31. 10.34
  32. 6.84
  33. 127.8
  34. 15.58
  35. 4.76
  36. 14.57
  37. 0.276
  38. 23.49
  39. 0.364
  40. 1.92

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