Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 18 · 40 questions

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.

1. 1.0.97 × 3.3 — where does the decimal point go? (a) 0.3201 (b) 0.03201 (c) 3.201 (d) 32.01
2. 2.8.2 × 4.3 — where does the decimal point go? (a) 0.3526 (b) 35.26 (c) 3.526 (d) 352.6
3. 3.5.8 × 8 — where does the decimal point go? (a) 4.64 (b) 0.464 (c) 46.4 (d) 464
4. 4.2.1 × 38 — where does the decimal point go? (a) 0.798 (b) 798 (c) 79.8 (d) 7.98
5. 5.1.7 × 7 — where does the decimal point go? (a) 119 (b) 1.19 (c) 0.119 (d) 11.9
6. 6.0.69 × 1.9 — where does the decimal point go? (a) 1.311 (b) 13.11 (c) 0.01311 (d) 0.1311
7. 7.6.7 × 0.8 — where does the decimal point go? (a) 0.0536 (b) 0.536 (c) 53.6 (d) 5.36
8. 8.2.7 × 0.3 — where does the decimal point go? (a) 0.81 (b) 8.1 (c) 0.0081 (d) 0.081
9. 9.0.44 × 3.1 — where does the decimal point go? (a) 1.364 (b) 0.01364 (c) 13.64 (d) 0.1364
10. 10.4.4 × 2.4 — where does the decimal point go? (a) 10.56 (b) 0.1056 (c) 1.056 (d) 105.6
11. 11.0.43 × 0.2 — where does the decimal point go? (a) 0.0086 (b) 0.086 (c) 0.00086 (d) 0.86
12. 12.4.8 × 9 — where does the decimal point go? (a) 432 (b) 4.32 (c) 43.2 (d) 0.432
13. 13.9.6 × 1.6 — where does the decimal point go? (a) 1.536 (b) 15.36 (c) 0.1536 (d) 153.6
14. 14.9.6 × 3 — where does the decimal point go? (a) 0.288 (b) 28.8 (c) 2.88 (d) 288
15. 15.1.4 × 38 — where does the decimal point go? (a) 53.2 (b) 532 (c) 0.532 (d) 5.32
16. 16.0.37 × 1.8 — where does the decimal point go? (a) 6.66 (b) 0.666 (c) 0.0666 (d) 0.00666
17. 17.2.3 × 38 — where does the decimal point go? (a) 8.74 (b) 874 (c) 0.874 (d) 87.4
18. 18.0.21 × 0.9 — where does the decimal point go? (a) 0.00189 (b) 0.189 (c) 1.89 (d) 0.0189
19. 19.8.2 × 14 — where does the decimal point go? (a) 1148 (b) 114.8 (c) 1.148 (d) 11.48
20. 20.0.84 × 4.7 — where does the decimal point go? (a) 0.03948 (b) 3.948 (c) 39.48 (d) 0.3948
21. 21.0.27 × 0.2 — where does the decimal point go? (a) 0.00054 (b) 0.054 (c) 0.54 (d) 0.0054
22. 22.0.87 × 0.5 — where does the decimal point go? (a) 0.0435 (b) 4.35 (c) 0.00435 (d) 0.435
23. 23.0.84 × 0.9 — where does the decimal point go? (a) 0.0756 (b) 0.756 (c) 0.00756 (d) 7.56
24. 24.9.1 × 0.3 — where does the decimal point go? (a) 27.3 (b) 2.73 (c) 0.0273 (d) 0.273
25. 25.9.3 × 0.2 — where does the decimal point go? (a) 0.0186 (b) 18.6 (c) 1.86 (d) 0.186
26. 26.8.6 × 0.2 — where does the decimal point go? (a) 0.172 (b) 0.0172 (c) 17.2 (d) 1.72
27. 27.0.84 × 46 — where does the decimal point go? (a) 38.64 (b) 0.3864 (c) 386.4 (d) 3.864
28. 28.0.36 × 0.8 — where does the decimal point go? (a) 0.0288 (b) 0.00288 (c) 2.88 (d) 0.288
29. 29.5.3 × 7 — where does the decimal point go? (a) 37.1 (b) 0.371 (c) 371 (d) 3.71
30. 30.0.72 × 9 — where does the decimal point go? (a) 6.48 (b) 0.648 (c) 64.8 (d) 0.0648
31. 31.0.38 × 4.2 — where does the decimal point go? (a) 0.1596 (b) 15.96 (c) 0.01596 (d) 1.596
32. 32.4.6 × 1.7 — where does the decimal point go? (a) 7.82 (b) 0.0782 (c) 78.2 (d) 0.782
33. 33.8.2 × 8 — where does the decimal point go? (a) 656 (b) 6.56 (c) 65.6 (d) 0.656
34. 34.0.33 × 3.3 — where does the decimal point go? (a) 0.1089 (b) 1.089 (c) 0.01089 (d) 10.89
35. 35.0.53 × 3.1 — where does the decimal point go? (a) 16.43 (b) 0.1643 (c) 0.01643 (d) 1.643
36. 36.0.99 × 8 — where does the decimal point go? (a) 0.792 (b) 0.0792 (c) 7.92 (d) 79.2
37. 37.4.7 × 0.4 — where does the decimal point go? (a) 0.188 (b) 1.88 (c) 18.8 (d) 0.0188
38. 38.7.7 × 24 — where does the decimal point go? (a) 1.848 (b) 1848 (c) 184.8 (d) 18.48
39. 39.9.2 × 0.3 — where does the decimal point go? (a) 27.6 (b) 0.0276 (c) 0.276 (d) 2.76
40. 40.4.8 × 4 — where does the decimal point go? (a) 19.2 (b) 192 (c) 1.92 (d) 0.192

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