Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 541 · 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. 1.0.87 × 43 — where does the decimal point go? (a) 0.3741 (b) 37.41 (c) 374.1 (d) 3.741
2. 2.0.39 × 6 — where does the decimal point go? (a) 2.34 (b) 23.4 (c) 0.0234 (d) 0.234
3. 3.0.19 × 42 — where does the decimal point go? (a) 0.0798 (b) 0.798 (c) 7.98 (d) 79.8
4. 4.4.1 × 0.5 — where does the decimal point go? (a) 0.0205 (b) 0.205 (c) 20.5 (d) 2.05
5. 5.0.27 × 0.6 — where does the decimal point go? (a) 0.0162 (b) 0.162 (c) 0.00162 (d) 1.62
6. 6.0.74 × 3 — where does the decimal point go? (a) 0.0222 (b) 0.222 (c) 22.2 (d) 2.22
7. 7.3.3 × 0.4 — where does the decimal point go? (a) 0.0132 (b) 0.132 (c) 13.2 (d) 1.32
8. 8.6.9 × 1.3 — where does the decimal point go? (a) 0.0897 (b) 0.897 (c) 8.97 (d) 89.7
9. 9.0.18 × 9 — where does the decimal point go? (a) 1.62 (b) 16.2 (c) 0.0162 (d) 0.162
10. 10.4.3 × 6 — where does the decimal point go? (a) 0.258 (b) 2.58 (c) 25.8 (d) 258
11. 11.0.83 × 4 — where does the decimal point go? (a) 0.332 (b) 0.0332 (c) 3.32 (d) 33.2
12. 12.0.23 × 3 — where does the decimal point go? (a) 0.0069 (b) 0.069 (c) 6.9 (d) 0.69
13. 13.0.13 × 0.6 — where does the decimal point go? (a) 0.00078 (b) 0.078 (c) 0.78 (d) 0.0078
14. 14.0.51 × 23 — where does the decimal point go? (a) 117.3 (b) 1.173 (c) 11.73 (d) 0.1173
15. 15.0.19 × 0.3 — where does the decimal point go? (a) 0.00057 (b) 0.057 (c) 0.57 (d) 0.0057
16. 16.4.6 × 39 — where does the decimal point go? (a) 179.4 (b) 17.94 (c) 1.794 (d) 1794
17. 17.0.41 × 0.2 — where does the decimal point go? (a) 0.82 (b) 0.00082 (c) 0.082 (d) 0.0082
18. 18.7.7 × 3 — where does the decimal point go? (a) 23.1 (b) 0.231 (c) 231 (d) 2.31
19. 19.5.3 × 39 — where does the decimal point go? (a) 2067 (b) 20.67 (c) 206.7 (d) 2.067
20. 20.0.57 × 4.5 — where does the decimal point go? (a) 0.02565 (b) 25.65 (c) 2.565 (d) 0.2565
21. 21.4.1 × 8 — where does the decimal point go? (a) 0.328 (b) 3.28 (c) 328 (d) 32.8
22. 22.9.3 × 3 — where does the decimal point go? (a) 0.279 (b) 27.9 (c) 279 (d) 2.79
23. 23.4.3 × 41 — where does the decimal point go? (a) 176.3 (b) 17.63 (c) 1763 (d) 1.763
24. 24.0.92 × 4 — where does the decimal point go? (a) 36.8 (b) 3.68 (c) 0.368 (d) 0.0368
25. 25.4.8 × 38 — where does the decimal point go? (a) 1824 (b) 182.4 (c) 1.824 (d) 18.24
26. 26.6.3 × 26 — where does the decimal point go? (a) 1638 (b) 163.8 (c) 1.638 (d) 16.38
27. 27.0.67 × 8 — where does the decimal point go? (a) 0.0536 (b) 5.36 (c) 53.6 (d) 0.536
28. 28.0.87 × 0.2 — where does the decimal point go? (a) 0.0174 (b) 1.74 (c) 0.174 (d) 0.00174
29. 29.0.76 × 3 — where does the decimal point go? (a) 22.8 (b) 0.228 (c) 0.0228 (d) 2.28
30. 30.0.18 × 6 — where does the decimal point go? (a) 0.0108 (b) 10.8 (c) 0.108 (d) 1.08
31. 31.0.77 × 6 — where does the decimal point go? (a) 0.0462 (b) 0.462 (c) 46.2 (d) 4.62
32. 32.0.46 × 0.7 — where does the decimal point go? (a) 0.322 (b) 0.0322 (c) 3.22 (d) 0.00322
33. 33.0.66 × 41 — where does the decimal point go? (a) 27.06 (b) 2.706 (c) 270.6 (d) 0.2706
34. 34.6.1 × 9 — where does the decimal point go? (a) 549 (b) 54.9 (c) 5.49 (d) 0.549
35. 35.1.6 × 2.3 — where does the decimal point go? (a) 0.368 (b) 0.0368 (c) 36.8 (d) 3.68
36. 36.0.31 × 42 — where does the decimal point go? (a) 130.2 (b) 1.302 (c) 13.02 (d) 0.1302
37. 37.1.8 × 1.7 — where does the decimal point go? (a) 30.6 (b) 0.0306 (c) 0.306 (d) 3.06
38. 38.1.2 × 7 — where does the decimal point go? (a) 84 (b) 0.084 (c) 8.4 (d) 0.84
39. 39.0.44 × 2.7 — where does the decimal point go? (a) 11.88 (b) 0.01188 (c) 1.188 (d) 0.1188
40. 40.9.4 × 21 — where does the decimal point go? (a) 1974 (b) 1.974 (c) 197.4 (d) 19.74

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