Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 211 · 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. 1.0.28 × 0.9 — where does the decimal point go? (a) 0.0252 (b) 2.52 (c) 0.00252 (d) 0.252
2. 2.1.8 × 0.8 — where does the decimal point go? (a) 0.0144 (b) 14.4 (c) 1.44 (d) 0.144
3. 3.1.8 × 3.2 — where does the decimal point go? (a) 0.576 (b) 0.0576 (c) 57.6 (d) 5.76
4. 4.0.17 × 0.9 — where does the decimal point go? (a) 1.53 (b) 0.00153 (c) 0.153 (d) 0.0153
5. 5.9.8 × 0.8 — where does the decimal point go? (a) 78.4 (b) 0.784 (c) 0.0784 (d) 7.84
6. 6.3.2 × 2 — where does the decimal point go? (a) 0.64 (b) 0.064 (c) 6.4 (d) 64
7. 7.5.9 × 3.9 — where does the decimal point go? (a) 0.2301 (b) 230.1 (c) 2.301 (d) 23.01
8. 8.0.12 × 0.6 — where does the decimal point go? (a) 0.072 (b) 0.72 (c) 0.0072 (d) 0.00072
9. 9.3.9 × 0.5 — where does the decimal point go? (a) 0.0195 (b) 1.95 (c) 0.195 (d) 19.5
10. 10.8.4 × 2 — where does the decimal point go? (a) 1.68 (b) 16.8 (c) 168 (d) 0.168
11. 11.8.8 × 3 — where does the decimal point go? (a) 264 (b) 26.4 (c) 2.64 (d) 0.264
12. 12.0.32 × 0.7 — where does the decimal point go? (a) 0.0224 (b) 0.00224 (c) 2.24 (d) 0.224
13. 13.0.63 × 0.6 — where does the decimal point go? (a) 0.00378 (b) 0.0378 (c) 3.78 (d) 0.378
14. 14.0.57 × 2 — where does the decimal point go? (a) 0.114 (b) 0.0114 (c) 1.14 (d) 11.4
15. 15.0.88 × 12 — where does the decimal point go? (a) 1.056 (b) 10.56 (c) 0.1056 (d) 105.6
16. 16.4.4 × 3.6 — where does the decimal point go? (a) 15.84 (b) 0.1584 (c) 1.584 (d) 158.4
17. 17.0.74 × 11 — where does the decimal point go? (a) 0.814 (b) 8.14 (c) 0.0814 (d) 81.4
18. 18.0.14 × 4 — where does the decimal point go? (a) 0.056 (b) 0.56 (c) 5.6 (d) 0.0056
19. 19.3.2 × 2.6 — where does the decimal point go? (a) 8.32 (b) 83.2 (c) 0.832 (d) 0.0832
20. 20.0.32 × 1.2 — where does the decimal point go? (a) 0.384 (b) 3.84 (c) 0.00384 (d) 0.0384
21. 21.3.6 × 4.1 — where does the decimal point go? (a) 14.76 (b) 147.6 (c) 1.476 (d) 0.1476
22. 22.4.6 × 27 — where does the decimal point go? (a) 1.242 (b) 12.42 (c) 1242 (d) 124.2
23. 23.6.5 × 0.5 — where does the decimal point go? (a) 0.325 (b) 3.25 (c) 32.5 (d) 0.0325
24. 24.1.4 × 34 — where does the decimal point go? (a) 47.6 (b) 476 (c) 0.476 (d) 4.76
25. 25.0.36 × 7 — where does the decimal point go? (a) 25.2 (b) 0.252 (c) 2.52 (d) 0.0252
26. 26.7.3 × 8 — where does the decimal point go? (a) 584 (b) 58.4 (c) 0.584 (d) 5.84
27. 27.9.5 × 29 — where does the decimal point go? (a) 27.55 (b) 2755 (c) 2.755 (d) 275.5
28. 28.2.8 × 4.6 — where does the decimal point go? (a) 1.288 (b) 128.8 (c) 0.1288 (d) 12.88
29. 29.3.1 × 8 — where does the decimal point go? (a) 24.8 (b) 2.48 (c) 0.248 (d) 248
30. 30.0.76 × 0.4 — where does the decimal point go? (a) 0.00304 (b) 0.304 (c) 0.0304 (d) 3.04
31. 31.9.3 × 22 — where does the decimal point go? (a) 2046 (b) 204.6 (c) 2.046 (d) 20.46
32. 32.0.21 × 9 — where does the decimal point go? (a) 0.0189 (b) 0.189 (c) 18.9 (d) 1.89
33. 33.0.33 × 4 — where does the decimal point go? (a) 1.32 (b) 13.2 (c) 0.132 (d) 0.0132
34. 34.4.8 × 8 — where does the decimal point go? (a) 0.384 (b) 384 (c) 3.84 (d) 38.4
35. 35.0.51 × 31 — where does the decimal point go? (a) 158.1 (b) 0.1581 (c) 1.581 (d) 15.81
36. 36.0.62 × 11 — where does the decimal point go? (a) 68.2 (b) 0.682 (c) 0.0682 (d) 6.82
37. 37.8.7 × 0.3 — where does the decimal point go? (a) 0.0261 (b) 0.261 (c) 2.61 (d) 26.1
38. 38.6.9 × 11 — where does the decimal point go? (a) 0.759 (b) 75.9 (c) 759 (d) 7.59
39. 39.0.64 × 16 — where does the decimal point go? (a) 0.1024 (b) 1.024 (c) 10.24 (d) 102.4
40. 40.0.27 × 0.8 — where does the decimal point go? (a) 0.00216 (b) 0.0216 (c) 2.16 (d) 0.216

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