Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 494 · 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. 1.2.4 × 6 — where does the decimal point go? (a) 14.4 (b) 144 (c) 1.44 (d) 0.144
2. 2.2.3 × 0.2 — where does the decimal point go? (a) 0.046 (b) 0.46 (c) 4.6 (d) 0.0046
3. 3.7.7 × 8 — where does the decimal point go? (a) 0.616 (b) 61.6 (c) 616 (d) 6.16
4. 4.0.92 × 3 — where does the decimal point go? (a) 2.76 (b) 27.6 (c) 0.276 (d) 0.0276
5. 5.6.7 × 0.3 — where does the decimal point go? (a) 0.0201 (b) 2.01 (c) 20.1 (d) 0.201
6. 6.4.8 × 21 — where does the decimal point go? (a) 10.08 (b) 1.008 (c) 1008 (d) 100.8
7. 7.5.1 × 11 — where does the decimal point go? (a) 0.561 (b) 5.61 (c) 56.1 (d) 561
8. 8.0.42 × 1.2 — where does the decimal point go? (a) 0.0504 (b) 0.504 (c) 5.04 (d) 0.00504
9. 9.8.6 × 46 — where does the decimal point go? (a) 39.56 (b) 395.6 (c) 3956 (d) 3.956
10. 10.0.62 × 3.2 — where does the decimal point go? (a) 0.01984 (b) 19.84 (c) 0.1984 (d) 1.984
11. 11.0.19 × 0.5 — where does the decimal point go? (a) 0.095 (b) 0.0095 (c) 0.95 (d) 0.00095
12. 12.0.19 × 41 — where does the decimal point go? (a) 7.79 (b) 77.9 (c) 0.0779 (d) 0.779
13. 13.0.34 × 0.3 — where does the decimal point go? (a) 1.02 (b) 0.0102 (c) 0.00102 (d) 0.102
14. 14.0.63 × 5 — where does the decimal point go? (a) 0.315 (b) 3.15 (c) 0.0315 (d) 31.5
15. 15.1.8 × 0.7 — where does the decimal point go? (a) 1.26 (b) 0.0126 (c) 0.126 (d) 12.6
16. 16.9.2 × 2.7 — where does the decimal point go? (a) 0.2484 (b) 248.4 (c) 2.484 (d) 24.84
17. 17.2.2 × 6 — where does the decimal point go? (a) 132 (b) 0.132 (c) 1.32 (d) 13.2
18. 18.0.21 × 1.7 — where does the decimal point go? (a) 0.0357 (b) 0.357 (c) 0.00357 (d) 3.57
19. 19.7.8 × 26 — where does the decimal point go? (a) 2.028 (b) 2028 (c) 20.28 (d) 202.8
20. 20.3.2 × 1.3 — where does the decimal point go? (a) 0.0416 (b) 4.16 (c) 0.416 (d) 41.6
21. 21.3.1 × 44 — where does the decimal point go? (a) 13.64 (b) 1364 (c) 1.364 (d) 136.4
22. 22.0.28 × 0.8 — where does the decimal point go? (a) 0.00224 (b) 0.0224 (c) 0.224 (d) 2.24
23. 23.3.2 × 36 — where does the decimal point go? (a) 115.2 (b) 1152 (c) 11.52 (d) 1.152
24. 24.5.8 × 3.1 — where does the decimal point go? (a) 17.98 (b) 179.8 (c) 0.1798 (d) 1.798
25. 25.6.1 × 0.6 — where does the decimal point go? (a) 0.366 (b) 0.0366 (c) 36.6 (d) 3.66
26. 26.0.55 × 3.3 — where does the decimal point go? (a) 0.1815 (b) 1.815 (c) 0.01815 (d) 18.15
27. 27.0.73 × 21 — where does the decimal point go? (a) 15.33 (b) 153.3 (c) 1.533 (d) 0.1533
28. 28.0.13 × 4 — where does the decimal point go? (a) 5.2 (b) 0.52 (c) 0.052 (d) 0.0052
29. 29.0.14 × 0.7 — where does the decimal point go? (a) 0.00098 (b) 0.098 (c) 0.0098 (d) 0.98
30. 30.4.5 × 0.7 — where does the decimal point go? (a) 0.315 (b) 0.0315 (c) 3.15 (d) 31.5
31. 31.0.87 × 17 — where does the decimal point go? (a) 1.479 (b) 14.79 (c) 147.9 (d) 0.1479
32. 32.0.49 × 26 — where does the decimal point go? (a) 0.1274 (b) 12.74 (c) 127.4 (d) 1.274
33. 33.0.68 × 3 — where does the decimal point go? (a) 0.204 (b) 0.0204 (c) 20.4 (d) 2.04
34. 34.6.5 × 3.9 — where does the decimal point go? (a) 0.2535 (b) 25.35 (c) 2.535 (d) 253.5
35. 35.3.6 × 0.3 — where does the decimal point go? (a) 1.08 (b) 10.8 (c) 0.108 (d) 0.0108
36. 36.6.8 × 9 — where does the decimal point go? (a) 61.2 (b) 6.12 (c) 612 (d) 0.612
37. 37.8.3 × 33 — where does the decimal point go? (a) 273.9 (b) 27.39 (c) 2739 (d) 2.739
38. 38.8.4 × 2 — where does the decimal point go? (a) 16.8 (b) 1.68 (c) 168 (d) 0.168
39. 39.7.2 × 6 — where does the decimal point go? (a) 0.432 (b) 4.32 (c) 432 (d) 43.2
40. 40.8.8 × 0.9 — where does the decimal point go? (a) 79.2 (b) 7.92 (c) 0.792 (d) 0.0792

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