Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 493 · 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. 1.3.3 × 0.8 — where does the decimal point go? (a) 0.264 (b) 2.64 (c) 26.4 (d) 0.0264
2. 2.5.5 × 1.9 — where does the decimal point go? (a) 104.5 (b) 1.045 (c) 0.1045 (d) 10.45
3. 3.0.69 × 0.7 — where does the decimal point go? (a) 0.00483 (b) 0.0483 (c) 0.483 (d) 4.83
4. 4.3.2 × 0.3 — where does the decimal point go? (a) 9.6 (b) 0.096 (c) 0.96 (d) 0.0096
5. 5.2.1 × 12 — where does the decimal point go? (a) 25.2 (b) 2.52 (c) 252 (d) 0.252
6. 6.6.5 × 31 — where does the decimal point go? (a) 2015 (b) 20.15 (c) 2.015 (d) 201.5
7. 7.4.3 × 28 — where does the decimal point go? (a) 1.204 (b) 1204 (c) 120.4 (d) 12.04
8. 8.0.27 × 4 — where does the decimal point go? (a) 0.108 (b) 10.8 (c) 0.0108 (d) 1.08
9. 9.4.2 × 29 — where does the decimal point go? (a) 1218 (b) 12.18 (c) 121.8 (d) 1.218
10. 10.2.8 × 0.8 — where does the decimal point go? (a) 2.24 (b) 0.0224 (c) 0.224 (d) 22.4
11. 11.6.3 × 0.7 — where does the decimal point go? (a) 4.41 (b) 0.0441 (c) 0.441 (d) 44.1
12. 12.2.3 × 0.9 — where does the decimal point go? (a) 0.207 (b) 2.07 (c) 20.7 (d) 0.0207
13. 13.3.2 × 6 — where does the decimal point go? (a) 1.92 (b) 19.2 (c) 192 (d) 0.192
14. 14.0.52 × 23 — where does the decimal point go? (a) 119.6 (b) 1.196 (c) 0.1196 (d) 11.96
15. 15.7.3 × 23 — where does the decimal point go? (a) 1679 (b) 167.9 (c) 1.679 (d) 16.79
16. 16.6.4 × 0.8 — where does the decimal point go? (a) 0.0512 (b) 51.2 (c) 0.512 (d) 5.12
17. 17.0.72 × 2 — where does the decimal point go? (a) 0.0144 (b) 14.4 (c) 0.144 (d) 1.44
18. 18.4.7 × 0.4 — where does the decimal point go? (a) 0.0188 (b) 1.88 (c) 18.8 (d) 0.188
19. 19.6.3 × 8 — where does the decimal point go? (a) 5.04 (b) 504 (c) 50.4 (d) 0.504
20. 20.4.9 × 8 — where does the decimal point go? (a) 3.92 (b) 392 (c) 0.392 (d) 39.2
21. 21.0.84 × 0.6 — where does the decimal point go? (a) 5.04 (b) 0.00504 (c) 0.504 (d) 0.0504
22. 22.7.4 × 7 — where does the decimal point go? (a) 0.518 (b) 518 (c) 51.8 (d) 5.18
23. 23.2.4 × 3.1 — where does the decimal point go? (a) 0.744 (b) 0.0744 (c) 74.4 (d) 7.44
24. 24.6.7 × 0.4 — where does the decimal point go? (a) 0.268 (b) 0.0268 (c) 2.68 (d) 26.8
25. 25.7.7 × 1.1 — where does the decimal point go? (a) 0.0847 (b) 0.847 (c) 84.7 (d) 8.47
26. 26.2.7 × 0.8 — where does the decimal point go? (a) 0.216 (b) 21.6 (c) 0.0216 (d) 2.16
27. 27.0.59 × 3 — where does the decimal point go? (a) 0.0177 (b) 17.7 (c) 0.177 (d) 1.77
28. 28.0.93 × 3.9 — where does the decimal point go? (a) 0.03627 (b) 3.627 (c) 0.3627 (d) 36.27
29. 29.4.6 × 11 — where does the decimal point go? (a) 506 (b) 50.6 (c) 0.506 (d) 5.06
30. 30.0.23 × 6 — where does the decimal point go? (a) 0.0138 (b) 1.38 (c) 0.138 (d) 13.8
31. 31.0.83 × 0.2 — where does the decimal point go? (a) 0.0166 (b) 0.00166 (c) 1.66 (d) 0.166
32. 32.6.7 × 12 — where does the decimal point go? (a) 0.804 (b) 8.04 (c) 80.4 (d) 804
33. 33.1.7 × 27 — where does the decimal point go? (a) 459 (b) 45.9 (c) 4.59 (d) 0.459
34. 34.0.29 × 4 — where does the decimal point go? (a) 1.16 (b) 11.6 (c) 0.0116 (d) 0.116
35. 35.0.88 × 4 — where does the decimal point go? (a) 35.2 (b) 3.52 (c) 0.0352 (d) 0.352
36. 36.2.1 × 0.3 — where does the decimal point go? (a) 0.63 (b) 0.063 (c) 0.0063 (d) 6.3
37. 37.0.38 × 2.4 — where does the decimal point go? (a) 9.12 (b) 0.912 (c) 0.0912 (d) 0.00912
38. 38.0.58 × 19 — where does the decimal point go? (a) 110.2 (b) 1.102 (c) 11.02 (d) 0.1102
39. 39.0.56 × 6 — where does the decimal point go? (a) 0.0336 (b) 3.36 (c) 0.336 (d) 33.6
40. 40.0.63 × 4 — where does the decimal point go? (a) 0.252 (b) 25.2 (c) 2.52 (d) 0.0252

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