Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 127 · 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. 1.0.65 × 3.5 — where does the decimal point go? (a) 2.275 (b) 0.2275 (c) 22.75 (d) 0.02275
2. 2.0.43 × 15 — where does the decimal point go? (a) 0.0645 (b) 64.5 (c) 6.45 (d) 0.645
3. 3.0.46 × 0.8 — where does the decimal point go? (a) 3.68 (b) 0.0368 (c) 0.00368 (d) 0.368
4. 4.0.94 × 7 — where does the decimal point go? (a) 65.8 (b) 0.658 (c) 6.58 (d) 0.0658
5. 5.0.32 × 2.6 — where does the decimal point go? (a) 0.0832 (b) 0.832 (c) 8.32 (d) 0.00832
6. 6.6.6 × 2 — where does the decimal point go? (a) 132 (b) 13.2 (c) 1.32 (d) 0.132
7. 7.0.15 × 5 — where does the decimal point go? (a) 0.75 (b) 0.0075 (c) 0.075 (d) 7.5
8. 8.3.7 × 4.2 — where does the decimal point go? (a) 155.4 (b) 0.1554 (c) 1.554 (d) 15.54
9. 9.0.26 × 0.4 — where does the decimal point go? (a) 0.00104 (b) 0.0104 (c) 1.04 (d) 0.104
10. 10.5.6 × 46 — where does the decimal point go? (a) 2.576 (b) 25.76 (c) 257.6 (d) 2576
11. 11.6.1 × 14 — where does the decimal point go? (a) 85.4 (b) 854 (c) 0.854 (d) 8.54
12. 12.1.6 × 18 — where does the decimal point go? (a) 0.288 (b) 288 (c) 2.88 (d) 28.8
13. 13.0.12 × 6 — where does the decimal point go? (a) 0.72 (b) 0.0072 (c) 7.2 (d) 0.072
14. 14.0.39 × 3.2 — where does the decimal point go? (a) 12.48 (b) 0.01248 (c) 1.248 (d) 0.1248
15. 15.0.96 × 46 — where does the decimal point go? (a) 441.6 (b) 4.416 (c) 44.16 (d) 0.4416
16. 16.0.33 × 0.8 — where does the decimal point go? (a) 0.264 (b) 0.0264 (c) 0.00264 (d) 2.64
17. 17.0.77 × 26 — where does the decimal point go? (a) 200.2 (b) 20.02 (c) 2.002 (d) 0.2002
18. 18.4.1 × 0.4 — where does the decimal point go? (a) 0.0164 (b) 1.64 (c) 0.164 (d) 16.4
19. 19.1.2 × 7 — where does the decimal point go? (a) 0.84 (b) 84 (c) 8.4 (d) 0.084
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. 21.0.35 × 3 — where does the decimal point go? (a) 0.105 (b) 1.05 (c) 10.5 (d) 0.0105
22. 22.0.29 × 2.2 — where does the decimal point go? (a) 0.638 (b) 6.38 (c) 0.0638 (d) 0.00638
23. 23.0.98 × 0.3 — where does the decimal point go? (a) 0.0294 (b) 2.94 (c) 0.00294 (d) 0.294
24. 24.7.6 × 4 — where does the decimal point go? (a) 304 (b) 0.304 (c) 3.04 (d) 30.4
25. 25.0.57 × 0.6 — where does the decimal point go? (a) 0.0342 (b) 0.342 (c) 0.00342 (d) 3.42
26. 26.8.8 × 2 — where does the decimal point go? (a) 176 (b) 1.76 (c) 17.6 (d) 0.176
27. 27.0.42 × 0.8 — where does the decimal point go? (a) 0.336 (b) 0.00336 (c) 3.36 (d) 0.0336
28. 28.0.71 × 2.3 — where does the decimal point go? (a) 16.33 (b) 1.633 (c) 0.1633 (d) 0.01633
29. 29.0.94 × 0.8 — where does the decimal point go? (a) 0.0752 (b) 0.752 (c) 0.00752 (d) 7.52
30. 30.0.72 × 4 — where does the decimal point go? (a) 0.288 (b) 2.88 (c) 0.0288 (d) 28.8
31. 31.7.7 × 2 — where does the decimal point go? (a) 1.54 (b) 15.4 (c) 0.154 (d) 154
32. 32.0.59 × 1.4 — where does the decimal point go? (a) 0.826 (b) 0.00826 (c) 8.26 (d) 0.0826
33. 33.7.1 × 25 — where does the decimal point go? (a) 177.5 (b) 1775 (c) 1.775 (d) 17.75
34. 34.0.43 × 7 — where does the decimal point go? (a) 3.01 (b) 0.0301 (c) 0.301 (d) 30.1
35. 35.4.1 × 2.3 — where does the decimal point go? (a) 94.3 (b) 0.943 (c) 0.0943 (d) 9.43
36. 36.7.3 × 48 — where does the decimal point go? (a) 3.504 (b) 350.4 (c) 3504 (d) 35.04
37. 37.0.14 × 3.3 — where does the decimal point go? (a) 0.0462 (b) 4.62 (c) 0.462 (d) 0.00462
38. 38.6.9 × 0.2 — where does the decimal point go? (a) 0.0138 (b) 13.8 (c) 1.38 (d) 0.138
39. 39.4.6 × 8 — where does the decimal point go? (a) 0.368 (b) 368 (c) 36.8 (d) 3.68
40. 40.0.52 × 49 — where does the decimal point go? (a) 254.8 (b) 25.48 (c) 0.2548 (d) 2.548

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