Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 246 · 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. 1.0.73 × 23 — where does the decimal point go? (a) 1.679 (b) 0.1679 (c) 16.79 (d) 167.9
2. 2.9.9 × 0.8 — where does the decimal point go? (a) 7.92 (b) 0.792 (c) 0.0792 (d) 79.2
3. 3.9.6 × 0.6 — where does the decimal point go? (a) 5.76 (b) 0.0576 (c) 0.576 (d) 57.6
4. 4.0.66 × 0.2 — where does the decimal point go? (a) 1.32 (b) 0.132 (c) 0.00132 (d) 0.0132
5. 5.0.99 × 6 — where does the decimal point go? (a) 5.94 (b) 0.0594 (c) 59.4 (d) 0.594
6. 6.0.65 × 7 — where does the decimal point go? (a) 0.0455 (b) 4.55 (c) 0.455 (d) 45.5
7. 7.7.7 × 27 — where does the decimal point go? (a) 20.79 (b) 2.079 (c) 2079 (d) 207.9
8. 8.8.7 × 48 — where does the decimal point go? (a) 4.176 (b) 417.6 (c) 41.76 (d) 4176
9. 9.0.23 × 0.2 — where does the decimal point go? (a) 0.046 (b) 0.46 (c) 0.00046 (d) 0.0046
10. 10.0.96 × 0.2 — where does the decimal point go? (a) 1.92 (b) 0.00192 (c) 0.192 (d) 0.0192
11. 11.8.3 × 7 — where does the decimal point go? (a) 581 (b) 0.581 (c) 58.1 (d) 5.81
12. 12.6.5 × 9 — where does the decimal point go? (a) 0.585 (b) 5.85 (c) 585 (d) 58.5
13. 13.7.3 × 0.8 — where does the decimal point go? (a) 5.84 (b) 0.584 (c) 0.0584 (d) 58.4
14. 14.1.6 × 3 — where does the decimal point go? (a) 0.48 (b) 0.048 (c) 4.8 (d) 48
15. 15.0.97 × 8 — where does the decimal point go? (a) 0.776 (b) 0.0776 (c) 7.76 (d) 77.6
16. 16.0.89 × 0.2 — where does the decimal point go? (a) 0.178 (b) 1.78 (c) 0.0178 (d) 0.00178
17. 17.8.7 × 29 — where does the decimal point go? (a) 25.23 (b) 2.523 (c) 2523 (d) 252.3
18. 18.8.9 × 0.7 — where does the decimal point go? (a) 0.0623 (b) 6.23 (c) 0.623 (d) 62.3
19. 19.0.67 × 0.2 — where does the decimal point go? (a) 0.0134 (b) 0.00134 (c) 1.34 (d) 0.134
20. 20.4.8 × 41 — where does the decimal point go? (a) 196.8 (b) 1.968 (c) 19.68 (d) 1968
21. 21.4.9 × 4.9 — where does the decimal point go? (a) 0.2401 (b) 24.01 (c) 240.1 (d) 2.401
22. 22.5.7 × 3.2 — where does the decimal point go? (a) 182.4 (b) 18.24 (c) 0.1824 (d) 1.824
23. 23.0.97 × 0.8 — where does the decimal point go? (a) 7.76 (b) 0.0776 (c) 0.776 (d) 0.00776
24. 24.1.3 × 0.5 — where does the decimal point go? (a) 6.5 (b) 0.065 (c) 0.0065 (d) 0.65
25. 25.6.3 × 3.2 — where does the decimal point go? (a) 0.2016 (b) 20.16 (c) 201.6 (d) 2.016
26. 26.8.9 × 0.2 — where does the decimal point go? (a) 1.78 (b) 0.178 (c) 17.8 (d) 0.0178
27. 27.1.9 × 0.5 — where does the decimal point go? (a) 0.0095 (b) 0.95 (c) 9.5 (d) 0.095
28. 28.2.3 × 0.2 — where does the decimal point go? (a) 0.46 (b) 4.6 (c) 0.046 (d) 0.0046
29. 29.0.56 × 6 — where does the decimal point go? (a) 3.36 (b) 0.0336 (c) 0.336 (d) 33.6
30. 30.8.3 × 3.4 — where does the decimal point go? (a) 0.2822 (b) 28.22 (c) 282.2 (d) 2.822
31. 31.0.62 × 0.3 — where does the decimal point go? (a) 0.0186 (b) 0.186 (c) 1.86 (d) 0.00186
32. 32.0.59 × 4.1 — where does the decimal point go? (a) 24.19 (b) 0.2419 (c) 2.419 (d) 0.02419
33. 33.6.5 × 7 — where does the decimal point go? (a) 4.55 (b) 455 (c) 45.5 (d) 0.455
34. 34.0.12 × 4.3 — where does the decimal point go? (a) 0.0516 (b) 0.00516 (c) 0.516 (d) 5.16
35. 35.1.8 × 3.1 — where does the decimal point go? (a) 5.58 (b) 0.558 (c) 55.8 (d) 0.0558
36. 36.0.49 × 48 — where does the decimal point go? (a) 23.52 (b) 2.352 (c) 0.2352 (d) 235.2
37. 37.9.7 × 0.3 — where does the decimal point go? (a) 2.91 (b) 29.1 (c) 0.0291 (d) 0.291
38. 38.5.8 × 11 — where does the decimal point go? (a) 63.8 (b) 6.38 (c) 638 (d) 0.638
39. 39.2.9 × 3 — where does the decimal point go? (a) 87 (b) 0.87 (c) 8.7 (d) 0.087
40. 40.7.6 × 0.7 — where does the decimal point go? (a) 5.32 (b) 0.532 (c) 53.2 (d) 0.0532

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