Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 626 · 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. 1.2.7 × 2.2 — where does the decimal point go? (a) 0.0594 (b) 59.4 (c) 0.594 (d) 5.94
2. 2.0.75 × 3.7 — where does the decimal point go? (a) 27.75 (b) 0.02775 (c) 2.775 (d) 0.2775
3. 3.4.5 × 0.3 — where does the decimal point go? (a) 0.0135 (b) 13.5 (c) 0.135 (d) 1.35
4. 4.2.2 × 11 — where does the decimal point go? (a) 2.42 (b) 24.2 (c) 0.242 (d) 242
5. 5.0.89 × 2.9 — where does the decimal point go? (a) 25.81 (b) 0.02581 (c) 2.581 (d) 0.2581
6. 6.0.22 × 0.8 — where does the decimal point go? (a) 0.00176 (b) 0.176 (c) 0.0176 (d) 1.76
7. 7.9.4 × 0.6 — where does the decimal point go? (a) 5.64 (b) 56.4 (c) 0.564 (d) 0.0564
8. 8.4.3 × 5 — where does the decimal point go? (a) 2.15 (b) 215 (c) 0.215 (d) 21.5
9. 9.9.6 × 0.9 — where does the decimal point go? (a) 0.0864 (b) 8.64 (c) 86.4 (d) 0.864
10. 10.1.2 × 41 — where does the decimal point go? (a) 492 (b) 4.92 (c) 49.2 (d) 0.492
11. 11.0.18 × 9 — where does the decimal point go? (a) 0.162 (b) 0.0162 (c) 16.2 (d) 1.62
12. 12.1.6 × 1.8 — where does the decimal point go? (a) 0.288 (b) 28.8 (c) 2.88 (d) 0.0288
13. 13.4.1 × 3.3 — where does the decimal point go? (a) 13.53 (b) 0.1353 (c) 135.3 (d) 1.353
14. 14.0.33 × 1.8 — where does the decimal point go? (a) 0.0594 (b) 5.94 (c) 0.00594 (d) 0.594
15. 15.9.6 × 6 — where does the decimal point go? (a) 576 (b) 0.576 (c) 5.76 (d) 57.6
16. 16.1.5 × 0.3 — where does the decimal point go? (a) 4.5 (b) 0.45 (c) 0.0045 (d) 0.045
17. 17.0.97 × 0.4 — where does the decimal point go? (a) 0.388 (b) 0.0388 (c) 3.88 (d) 0.00388
18. 18.3.9 × 9 — where does the decimal point go? (a) 35.1 (b) 0.351 (c) 351 (d) 3.51
19. 19.0.42 × 29 — where does the decimal point go? (a) 12.18 (b) 0.1218 (c) 1.218 (d) 121.8
20. 20.0.14 × 0.2 — where does the decimal point go? (a) 0.28 (b) 0.00028 (c) 0.028 (d) 0.0028
21. 21.0.75 × 7 — where does the decimal point go? (a) 0.525 (b) 5.25 (c) 0.0525 (d) 52.5
22. 22.0.93 × 3.1 — where does the decimal point go? (a) 28.83 (b) 2.883 (c) 0.2883 (d) 0.02883
23. 23.0.48 × 13 — where does the decimal point go? (a) 6.24 (b) 0.624 (c) 62.4 (d) 0.0624
24. 24.0.91 × 0.3 — where does the decimal point go? (a) 0.273 (b) 0.0273 (c) 0.00273 (d) 2.73
25. 25.0.35 × 43 — where does the decimal point go? (a) 0.1505 (b) 150.5 (c) 1.505 (d) 15.05
26. 26.0.72 × 0.4 — where does the decimal point go? (a) 2.88 (b) 0.00288 (c) 0.288 (d) 0.0288
27. 27.4.2 × 0.9 — where does the decimal point go? (a) 3.78 (b) 0.378 (c) 37.8 (d) 0.0378
28. 28.0.31 × 1.8 — where does the decimal point go? (a) 5.58 (b) 0.558 (c) 0.00558 (d) 0.0558
29. 29.0.59 × 0.6 — where does the decimal point go? (a) 3.54 (b) 0.00354 (c) 0.0354 (d) 0.354
30. 30.5.7 × 3 — where does the decimal point go? (a) 17.1 (b) 1.71 (c) 0.171 (d) 171
31. 31.9.5 × 7 — where does the decimal point go? (a) 0.665 (b) 665 (c) 6.65 (d) 66.5
32. 32.0.86 × 34 — where does the decimal point go? (a) 292.4 (b) 29.24 (c) 0.2924 (d) 2.924
33. 33.0.82 × 16 — where does the decimal point go? (a) 0.1312 (b) 131.2 (c) 13.12 (d) 1.312
34. 34.1.8 × 2.9 — where does the decimal point go? (a) 52.2 (b) 0.0522 (c) 5.22 (d) 0.522
35. 35.1.7 × 2.4 — where does the decimal point go? (a) 40.8 (b) 0.408 (c) 0.0408 (d) 4.08
36. 36.8.5 × 23 — where does the decimal point go? (a) 1.955 (b) 195.5 (c) 1955 (d) 19.55
37. 37.0.75 × 0.5 — where does the decimal point go? (a) 3.75 (b) 0.0375 (c) 0.00375 (d) 0.375
38. 38.0.22 × 3.2 — where does the decimal point go? (a) 0.704 (b) 0.0704 (c) 0.00704 (d) 7.04
39. 39.0.88 × 27 — where does the decimal point go? (a) 237.6 (b) 0.2376 (c) 2.376 (d) 23.76
40. 40.1.9 × 3.1 — where does the decimal point go? (a) 0.0589 (b) 5.89 (c) 0.589 (d) 58.9

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