Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 477 · 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. 1.4.4 × 14 — where does the decimal point go? (a) 61.6 (b) 616 (c) 6.16 (d) 0.616
2. 2.9.3 × 3 — where does the decimal point go? (a) 279 (b) 27.9 (c) 2.79 (d) 0.279
3. 3.0.13 × 5 — where does the decimal point go? (a) 0.0065 (b) 0.65 (c) 6.5 (d) 0.065
4. 4.4.1 × 6 — where does the decimal point go? (a) 0.246 (b) 2.46 (c) 246 (d) 24.6
5. 5.5.5 × 43 — where does the decimal point go? (a) 2.365 (b) 236.5 (c) 2365 (d) 23.65
6. 6.5.9 × 4.7 — where does the decimal point go? (a) 277.3 (b) 2.773 (c) 27.73 (d) 0.2773
7. 7.0.49 × 32 — where does the decimal point go? (a) 156.8 (b) 15.68 (c) 0.1568 (d) 1.568
8. 8.0.96 × 0.2 — where does the decimal point go? (a) 0.0192 (b) 1.92 (c) 0.00192 (d) 0.192
9. 9.0.87 × 0.6 — where does the decimal point go? (a) 5.22 (b) 0.0522 (c) 0.522 (d) 0.00522
10. 10.3.9 × 5 — where does the decimal point go? (a) 0.195 (b) 19.5 (c) 1.95 (d) 195
11. 11.2.6 × 27 — where does the decimal point go? (a) 0.702 (b) 70.2 (c) 7.02 (d) 702
12. 12.0.97 × 8 — where does the decimal point go? (a) 0.0776 (b) 7.76 (c) 0.776 (d) 77.6
13. 13.2.8 × 0.9 — where does the decimal point go? (a) 0.0252 (b) 2.52 (c) 0.252 (d) 25.2
14. 14.3.7 × 1.6 — where does the decimal point go? (a) 0.592 (b) 5.92 (c) 0.0592 (d) 59.2
15. 15.4.4 × 0.8 — where does the decimal point go? (a) 0.0352 (b) 0.352 (c) 3.52 (d) 35.2
16. 16.0.66 × 24 — where does the decimal point go? (a) 15.84 (b) 1.584 (c) 158.4 (d) 0.1584
17. 17.7.3 × 44 — where does the decimal point go? (a) 3212 (b) 3.212 (c) 321.2 (d) 32.12
18. 18.0.37 × 13 — where does the decimal point go? (a) 0.481 (b) 48.1 (c) 4.81 (d) 0.0481
19. 19.0.58 × 47 — where does the decimal point go? (a) 27.26 (b) 0.2726 (c) 2.726 (d) 272.6
20. 20.0.19 × 2.1 — where does the decimal point go? (a) 0.0399 (b) 3.99 (c) 0.00399 (d) 0.399
21. 21.9.8 × 0.9 — where does the decimal point go? (a) 88.2 (b) 0.882 (c) 8.82 (d) 0.0882
22. 22.3.1 × 3 — where does the decimal point go? (a) 0.93 (b) 9.3 (c) 93 (d) 0.093
23. 23.0.39 × 0.2 — where does the decimal point go? (a) 0.78 (b) 0.0078 (c) 0.00078 (d) 0.078
24. 24.9.5 × 0.5 — where does the decimal point go? (a) 0.0475 (b) 0.475 (c) 4.75 (d) 47.5
25. 25.0.53 × 0.7 — where does the decimal point go? (a) 0.371 (b) 0.00371 (c) 3.71 (d) 0.0371
26. 26.3.3 × 1.2 — where does the decimal point go? (a) 3.96 (b) 0.396 (c) 0.0396 (d) 39.6
27. 27.2.9 × 0.2 — where does the decimal point go? (a) 0.58 (b) 5.8 (c) 0.0058 (d) 0.058
28. 28.1.8 × 0.9 — where does the decimal point go? (a) 0.0162 (b) 1.62 (c) 0.162 (d) 16.2
29. 29.9.6 × 16 — where does the decimal point go? (a) 15.36 (b) 1.536 (c) 153.6 (d) 1536
30. 30.8.8 × 4.9 — where does the decimal point go? (a) 431.2 (b) 43.12 (c) 0.4312 (d) 4.312
31. 31.3.7 × 42 — where does the decimal point go? (a) 155.4 (b) 1.554 (c) 15.54 (d) 1554
32. 32.2.3 × 4.3 — where does the decimal point go? (a) 98.9 (b) 0.0989 (c) 9.89 (d) 0.989
33. 33.4.8 × 43 — where does the decimal point go? (a) 2064 (b) 20.64 (c) 2.064 (d) 206.4
34. 34.0.35 × 7 — where does the decimal point go? (a) 0.0245 (b) 2.45 (c) 24.5 (d) 0.245
35. 35.8.9 × 8 — where does the decimal point go? (a) 712 (b) 7.12 (c) 0.712 (d) 71.2
36. 36.0.18 × 1.4 — where does the decimal point go? (a) 0.0252 (b) 0.00252 (c) 0.252 (d) 2.52
37. 37.6.3 × 9 — where does the decimal point go? (a) 0.567 (b) 567 (c) 56.7 (d) 5.67
38. 38.0.78 × 17 — where does the decimal point go? (a) 13.26 (b) 0.1326 (c) 132.6 (d) 1.326
39. 39.9.1 × 4.6 — where does the decimal point go? (a) 4.186 (b) 418.6 (c) 41.86 (d) 0.4186
40. 40.0.52 × 29 — where does the decimal point go? (a) 0.1508 (b) 15.08 (c) 150.8 (d) 1.508

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