Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 188 · 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. 1.4.1 × 0.5 — where does the decimal point go? (a) 0.205 (b) 0.0205 (c) 2.05 (d) 20.5
2. 2.3.3 × 24 — where does the decimal point go? (a) 79.2 (b) 0.792 (c) 792 (d) 7.92
3. 3.3.5 × 29 — where does the decimal point go? (a) 101.5 (b) 1.015 (c) 10.15 (d) 1015
4. 4.1.3 × 12 — where does the decimal point go? (a) 15.6 (b) 156 (c) 0.156 (d) 1.56
5. 5.1.5 × 17 — where does the decimal point go? (a) 0.255 (b) 25.5 (c) 2.55 (d) 255
6. 6.8.2 × 3 — where does the decimal point go? (a) 246 (b) 2.46 (c) 0.246 (d) 24.6
7. 7.0.87 × 35 — where does the decimal point go? (a) 30.45 (b) 3.045 (c) 0.3045 (d) 304.5
8. 8.9.6 × 4.8 — where does the decimal point go? (a) 0.4608 (b) 460.8 (c) 46.08 (d) 4.608
9. 9.9.7 × 6 — where does the decimal point go? (a) 5.82 (b) 0.582 (c) 582 (d) 58.2
10. 10.5.9 × 41 — where does the decimal point go? (a) 24.19 (b) 241.9 (c) 2419 (d) 2.419
11. 11.3.1 × 0.2 — where does the decimal point go? (a) 0.62 (b) 6.2 (c) 0.062 (d) 0.0062
12. 12.0.97 × 3.1 — where does the decimal point go? (a) 0.03007 (b) 0.3007 (c) 3.007 (d) 30.07
13. 13.0.81 × 0.8 — where does the decimal point go? (a) 0.0648 (b) 0.648 (c) 6.48 (d) 0.00648
14. 14.0.74 × 3.1 — where does the decimal point go? (a) 22.94 (b) 0.2294 (c) 0.02294 (d) 2.294
15. 15.0.17 × 0.7 — where does the decimal point go? (a) 0.119 (b) 0.0119 (c) 1.19 (d) 0.00119
16. 16.3.7 × 0.5 — where does the decimal point go? (a) 0.0185 (b) 0.185 (c) 1.85 (d) 18.5
17. 17.7.5 × 3 — where does the decimal point go? (a) 22.5 (b) 0.225 (c) 225 (d) 2.25
18. 18.0.27 × 4.7 — where does the decimal point go? (a) 12.69 (b) 0.01269 (c) 0.1269 (d) 1.269
19. 19.5.4 × 9 — where does the decimal point go? (a) 0.486 (b) 4.86 (c) 486 (d) 48.6
20. 20.6.3 × 0.3 — where does the decimal point go? (a) 1.89 (b) 0.189 (c) 0.0189 (d) 18.9
21. 21.1.4 × 43 — where does the decimal point go? (a) 6.02 (b) 0.602 (c) 60.2 (d) 602
22. 22.0.26 × 2 — where does the decimal point go? (a) 5.2 (b) 0.52 (c) 0.052 (d) 0.0052
23. 23.0.44 × 3 — where does the decimal point go? (a) 0.0132 (b) 13.2 (c) 1.32 (d) 0.132
24. 24.0.88 × 26 — where does the decimal point go? (a) 2.288 (b) 228.8 (c) 0.2288 (d) 22.88
25. 25.9.8 × 4.2 — where does the decimal point go? (a) 0.4116 (b) 411.6 (c) 4.116 (d) 41.16
26. 26.1.3 × 37 — where does the decimal point go? (a) 0.481 (b) 481 (c) 48.1 (d) 4.81
27. 27.5.9 × 5 — where does the decimal point go? (a) 295 (b) 2.95 (c) 0.295 (d) 29.5
28. 28.0.21 × 3 — where does the decimal point go? (a) 0.63 (b) 0.063 (c) 0.0063 (d) 6.3
29. 29.0.37 × 5 — where does the decimal point go? (a) 0.0185 (b) 1.85 (c) 0.185 (d) 18.5
30. 30.0.18 × 1.1 — where does the decimal point go? (a) 0.0198 (b) 1.98 (c) 0.198 (d) 0.00198
31. 31.1.5 × 2.3 — where does the decimal point go? (a) 3.45 (b) 34.5 (c) 0.345 (d) 0.0345
32. 32.0.67 × 1.5 — where does the decimal point go? (a) 1.005 (b) 0.1005 (c) 10.05 (d) 0.01005
33. 33.1.8 × 0.9 — where does the decimal point go? (a) 0.162 (b) 16.2 (c) 1.62 (d) 0.0162
34. 34.0.57 × 1.9 — where does the decimal point go? (a) 0.01083 (b) 1.083 (c) 10.83 (d) 0.1083
35. 35.0.18 × 19 — where does the decimal point go? (a) 3.42 (b) 34.2 (c) 0.0342 (d) 0.342
36. 36.6.7 × 6 — where does the decimal point go? (a) 0.402 (b) 402 (c) 40.2 (d) 4.02
37. 37.0.54 × 0.2 — where does the decimal point go? (a) 0.00108 (b) 1.08 (c) 0.0108 (d) 0.108
38. 38.6.1 × 0.2 — where does the decimal point go? (a) 12.2 (b) 1.22 (c) 0.122 (d) 0.0122
39. 39.0.21 × 0.2 — where does the decimal point go? (a) 0.0042 (b) 0.00042 (c) 0.042 (d) 0.42
40. 40.7.6 × 46 — where does the decimal point go? (a) 34.96 (b) 349.6 (c) 3.496 (d) 3496

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