Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 64 · 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. 1.0.19 × 0.6 — where does the decimal point go? (a) 1.14 (b) 0.00114 (c) 0.114 (d) 0.0114
2. 2.0.73 × 14 — where does the decimal point go? (a) 102.2 (b) 0.1022 (c) 1.022 (d) 10.22
3. 3.0.24 × 4.6 — where does the decimal point go? (a) 0.01104 (b) 11.04 (c) 1.104 (d) 0.1104
4. 4.0.71 × 3 — where does the decimal point go? (a) 0.0213 (b) 0.213 (c) 2.13 (d) 21.3
5. 5.1.5 × 4.7 — where does the decimal point go? (a) 7.05 (b) 0.705 (c) 0.0705 (d) 70.5
6. 6.0.71 × 0.3 — where does the decimal point go? (a) 0.0213 (b) 0.213 (c) 0.00213 (d) 2.13
7. 7.0.67 × 3 — where does the decimal point go? (a) 0.0201 (b) 0.201 (c) 20.1 (d) 2.01
8. 8.2.2 × 24 — where does the decimal point go? (a) 0.528 (b) 52.8 (c) 5.28 (d) 528
9. 9.0.86 × 0.3 — where does the decimal point go? (a) 0.258 (b) 0.0258 (c) 0.00258 (d) 2.58
10. 10.8.4 × 9 — where does the decimal point go? (a) 0.756 (b) 756 (c) 75.6 (d) 7.56
11. 11.8.3 × 12 — where does the decimal point go? (a) 996 (b) 99.6 (c) 9.96 (d) 0.996
12. 12.0.96 × 34 — where does the decimal point go? (a) 326.4 (b) 3.264 (c) 0.3264 (d) 32.64
13. 13.0.95 × 0.5 — where does the decimal point go? (a) 0.00475 (b) 0.0475 (c) 0.475 (d) 4.75
14. 14.6.9 × 4.3 — where does the decimal point go? (a) 2.967 (b) 0.2967 (c) 296.7 (d) 29.67
15. 15.0.84 × 4.9 — where does the decimal point go? (a) 0.4116 (b) 0.04116 (c) 4.116 (d) 41.16
16. 16.5.3 × 5 — where does the decimal point go? (a) 26.5 (b) 0.265 (c) 2.65 (d) 265
17. 17.2.5 × 15 — where does the decimal point go? (a) 3.75 (b) 37.5 (c) 0.375 (d) 375
18. 18.8.4 × 14 — where does the decimal point go? (a) 1.176 (b) 1176 (c) 117.6 (d) 11.76
19. 19.0.47 × 2.2 — where does the decimal point go? (a) 10.34 (b) 0.01034 (c) 1.034 (d) 0.1034
20. 20.1.3 × 6 — where does the decimal point go? (a) 0.078 (b) 0.78 (c) 78 (d) 7.8
21. 21.7.1 × 24 — where does the decimal point go? (a) 1.704 (b) 170.4 (c) 1704 (d) 17.04
22. 22.0.37 × 17 — where does the decimal point go? (a) 0.629 (b) 6.29 (c) 62.9 (d) 0.0629
23. 23.0.26 × 47 — where does the decimal point go? (a) 122.2 (b) 0.1222 (c) 12.22 (d) 1.222
24. 24.0.19 × 3 — where does the decimal point go? (a) 0.0057 (b) 0.57 (c) 0.057 (d) 5.7
25. 25.0.62 × 27 — where does the decimal point go? (a) 0.1674 (b) 1.674 (c) 167.4 (d) 16.74
26. 26.0.96 × 7 — where does the decimal point go? (a) 67.2 (b) 0.0672 (c) 6.72 (d) 0.672
27. 27.6.4 × 41 — where does the decimal point go? (a) 2.624 (b) 26.24 (c) 2624 (d) 262.4
28. 28.0.28 × 39 — where does the decimal point go? (a) 109.2 (b) 10.92 (c) 0.1092 (d) 1.092
29. 29.0.78 × 1.9 — where does the decimal point go? (a) 1.482 (b) 0.1482 (c) 0.01482 (d) 14.82
30. 30.0.87 × 0.3 — where does the decimal point go? (a) 0.00261 (b) 0.261 (c) 2.61 (d) 0.0261
31. 31.8.9 × 4 — where does the decimal point go? (a) 3.56 (b) 35.6 (c) 0.356 (d) 356
32. 32.4.7 × 6 — where does the decimal point go? (a) 28.2 (b) 2.82 (c) 282 (d) 0.282
33. 33.0.26 × 0.7 — where does the decimal point go? (a) 0.182 (b) 1.82 (c) 0.0182 (d) 0.00182
34. 34.5.3 × 4 — where does the decimal point go? (a) 21.2 (b) 212 (c) 0.212 (d) 2.12
35. 35.4.8 × 1.8 — where does the decimal point go? (a) 86.4 (b) 8.64 (c) 0.864 (d) 0.0864
36. 36.0.98 × 6 — where does the decimal point go? (a) 58.8 (b) 5.88 (c) 0.588 (d) 0.0588
37. 37.0.24 × 0.3 — where does the decimal point go? (a) 0.0072 (b) 0.72 (c) 0.072 (d) 0.00072
38. 38.1.8 × 6 — where does the decimal point go? (a) 10.8 (b) 108 (c) 1.08 (d) 0.108
39. 39.7.3 × 8 — where does the decimal point go? (a) 0.584 (b) 58.4 (c) 584 (d) 5.84
40. 40.0.79 × 0.3 — where does the decimal point go? (a) 0.237 (b) 2.37 (c) 0.00237 (d) 0.0237

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