Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 464 · 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. 1.0.53 × 22 — where does the decimal point go? (a) 0.1166 (b) 116.6 (c) 1.166 (d) 11.66
2. 2.0.97 × 6 — where does the decimal point go? (a) 58.2 (b) 0.0582 (c) 0.582 (d) 5.82
3. 3.5.9 × 0.3 — where does the decimal point go? (a) 0.0177 (b) 17.7 (c) 1.77 (d) 0.177
4. 4.5.3 × 32 — where does the decimal point go? (a) 1696 (b) 1.696 (c) 169.6 (d) 16.96
5. 5.9.6 × 0.3 — where does the decimal point go? (a) 2.88 (b) 0.0288 (c) 28.8 (d) 0.288
6. 6.0.67 × 22 — where does the decimal point go? (a) 147.4 (b) 14.74 (c) 1.474 (d) 0.1474
7. 7.8.6 × 2.2 — where does the decimal point go? (a) 18.92 (b) 189.2 (c) 0.1892 (d) 1.892
8. 8.0.76 × 7 — where does the decimal point go? (a) 5.32 (b) 0.0532 (c) 0.532 (d) 53.2
9. 9.0.34 × 9 — where does the decimal point go? (a) 3.06 (b) 0.0306 (c) 0.306 (d) 30.6
10. 10.6.5 × 4.7 — where does the decimal point go? (a) 30.55 (b) 0.3055 (c) 305.5 (d) 3.055
11. 11.1.2 × 49 — where does the decimal point go? (a) 588 (b) 5.88 (c) 0.588 (d) 58.8
12. 12.3.2 × 0.9 — where does the decimal point go? (a) 0.0288 (b) 0.288 (c) 2.88 (d) 28.8
13. 13.0.61 × 34 — where does the decimal point go? (a) 2.074 (b) 0.2074 (c) 20.74 (d) 207.4
14. 14.8.1 × 0.8 — where does the decimal point go? (a) 64.8 (b) 0.0648 (c) 6.48 (d) 0.648
15. 15.0.27 × 15 — where does the decimal point go? (a) 0.405 (b) 0.0405 (c) 4.05 (d) 40.5
16. 16.3.6 × 13 — where does the decimal point go? (a) 46.8 (b) 468 (c) 0.468 (d) 4.68
17. 17.0.91 × 4.6 — where does the decimal point go? (a) 0.4186 (b) 0.04186 (c) 4.186 (d) 41.86
18. 18.0.33 × 38 — where does the decimal point go? (a) 12.54 (b) 1.254 (c) 0.1254 (d) 125.4
19. 19.8.8 × 1.3 — where does the decimal point go? (a) 11.44 (b) 114.4 (c) 0.1144 (d) 1.144
20. 20.9.2 × 2.7 — where does the decimal point go? (a) 24.84 (b) 2.484 (c) 248.4 (d) 0.2484
21. 21.9.4 × 0.8 — where does the decimal point go? (a) 0.0752 (b) 0.752 (c) 75.2 (d) 7.52
22. 22.0.17 × 12 — where does the decimal point go? (a) 20.4 (b) 0.0204 (c) 0.204 (d) 2.04
23. 23.2.7 × 6 — where does the decimal point go? (a) 162 (b) 0.162 (c) 1.62 (d) 16.2
24. 24.1.8 × 3 — where does the decimal point go? (a) 0.054 (b) 0.54 (c) 54 (d) 5.4
25. 25.0.15 × 49 — where does the decimal point go? (a) 0.0735 (b) 7.35 (c) 0.735 (d) 73.5
26. 26.0.22 × 0.2 — where does the decimal point go? (a) 0.044 (b) 0.0044 (c) 0.00044 (d) 0.44
27. 27.2.4 × 2.9 — where does the decimal point go? (a) 0.0696 (b) 69.6 (c) 0.696 (d) 6.96
28. 28.8.2 × 1.9 — where does the decimal point go? (a) 1.558 (b) 0.1558 (c) 15.58 (d) 155.8
29. 29.2.4 × 46 — where does the decimal point go? (a) 1.104 (b) 1104 (c) 110.4 (d) 11.04
30. 30.0.17 × 1.9 — where does the decimal point go? (a) 0.0323 (b) 0.323 (c) 0.00323 (d) 3.23
31. 31.8.1 × 3 — where does the decimal point go? (a) 243 (b) 2.43 (c) 0.243 (d) 24.3
32. 32.5.6 × 44 — where does the decimal point go? (a) 2464 (b) 246.4 (c) 24.64 (d) 2.464
33. 33.0.92 × 3 — where does the decimal point go? (a) 0.276 (b) 2.76 (c) 27.6 (d) 0.0276
34. 34.9.6 × 0.9 — where does the decimal point go? (a) 0.0864 (b) 0.864 (c) 86.4 (d) 8.64
35. 35.0.56 × 9 — where does the decimal point go? (a) 50.4 (b) 5.04 (c) 0.0504 (d) 0.504
36. 36.0.64 × 0.3 — where does the decimal point go? (a) 0.192 (b) 1.92 (c) 0.0192 (d) 0.00192
37. 37.6.3 × 6 — where does the decimal point go? (a) 0.378 (b) 378 (c) 3.78 (d) 37.8
38. 38.7.4 × 9 — where does the decimal point go? (a) 6.66 (b) 666 (c) 0.666 (d) 66.6
39. 39.5.3 × 12 — where does the decimal point go? (a) 636 (b) 0.636 (c) 63.6 (d) 6.36
40. 40.8.7 × 31 — where does the decimal point go? (a) 2.697 (b) 26.97 (c) 269.7 (d) 2697

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