Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 880 · 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. 1.0.21 × 24 — where does the decimal point go? (a) 0.504 (b) 5.04 (c) 50.4 (d) 0.0504
2. 2.0.19 × 0.4 — where does the decimal point go? (a) 0.76 (b) 0.00076 (c) 0.076 (d) 0.0076
3. 3.5.9 × 37 — where does the decimal point go? (a) 218.3 (b) 2.183 (c) 21.83 (d) 2183
4. 4.0.87 × 7 — where does the decimal point go? (a) 60.9 (b) 0.0609 (c) 0.609 (d) 6.09
5. 5.6.3 × 0.2 — where does the decimal point go? (a) 12.6 (b) 1.26 (c) 0.0126 (d) 0.126
6. 6.0.14 × 14 — where does the decimal point go? (a) 0.196 (b) 0.0196 (c) 1.96 (d) 19.6
7. 7.8.2 × 0.7 — where does the decimal point go? (a) 5.74 (b) 57.4 (c) 0.574 (d) 0.0574
8. 8.4.4 × 8 — where does the decimal point go? (a) 35.2 (b) 352 (c) 3.52 (d) 0.352
9. 9.0.96 × 39 — where does the decimal point go? (a) 374.4 (b) 3.744 (c) 37.44 (d) 0.3744
10. 10.0.56 × 9 — where does the decimal point go? (a) 0.504 (b) 50.4 (c) 5.04 (d) 0.0504
11. 11.5.4 × 4 — where does the decimal point go? (a) 21.6 (b) 216 (c) 0.216 (d) 2.16
12. 12.0.88 × 0.8 — where does the decimal point go? (a) 7.04 (b) 0.0704 (c) 0.00704 (d) 0.704
13. 13.2.6 × 4.4 — where does the decimal point go? (a) 0.1144 (b) 11.44 (c) 1.144 (d) 114.4
14. 14.0.82 × 32 — where does the decimal point go? (a) 2.624 (b) 0.2624 (c) 262.4 (d) 26.24
15. 15.0.66 × 2 — where does the decimal point go? (a) 0.132 (b) 1.32 (c) 13.2 (d) 0.0132
16. 16.7.8 × 9 — where does the decimal point go? (a) 70.2 (b) 702 (c) 0.702 (d) 7.02
17. 17.2.3 × 4.1 — where does the decimal point go? (a) 9.43 (b) 0.0943 (c) 0.943 (d) 94.3
18. 18.9.4 × 14 — where does the decimal point go? (a) 13.16 (b) 1.316 (c) 1316 (d) 131.6
19. 19.0.28 × 3.4 — where does the decimal point go? (a) 0.952 (b) 0.0952 (c) 0.00952 (d) 9.52
20. 20.3.9 × 48 — where does the decimal point go? (a) 1.872 (b) 187.2 (c) 18.72 (d) 1872
21. 21.0.94 × 0.2 — where does the decimal point go? (a) 0.0188 (b) 0.00188 (c) 0.188 (d) 1.88
22. 22.0.26 × 3 — where does the decimal point go? (a) 7.8 (b) 0.078 (c) 0.78 (d) 0.0078
23. 23.9.1 × 8 — where does the decimal point go? (a) 72.8 (b) 728 (c) 0.728 (d) 7.28
24. 24.0.45 × 0.9 — where does the decimal point go? (a) 0.0405 (b) 0.00405 (c) 0.405 (d) 4.05
25. 25.0.92 × 4.1 — where does the decimal point go? (a) 3.772 (b) 0.3772 (c) 0.03772 (d) 37.72
26. 26.0.99 × 3 — where does the decimal point go? (a) 0.0297 (b) 29.7 (c) 0.297 (d) 2.97
27. 27.0.79 × 9 — where does the decimal point go? (a) 71.1 (b) 0.0711 (c) 0.711 (d) 7.11
28. 28.0.72 × 0.4 — where does the decimal point go? (a) 0.0288 (b) 0.00288 (c) 0.288 (d) 2.88
29. 29.0.34 × 0.9 — where does the decimal point go? (a) 0.306 (b) 0.0306 (c) 0.00306 (d) 3.06
30. 30.0.82 × 2 — where does the decimal point go? (a) 1.64 (b) 16.4 (c) 0.164 (d) 0.0164
31. 31.5.5 × 0.5 — where does the decimal point go? (a) 0.275 (b) 2.75 (c) 0.0275 (d) 27.5
32. 32.9.2 × 0.3 — where does the decimal point go? (a) 0.0276 (b) 0.276 (c) 2.76 (d) 27.6
33. 33.0.37 × 22 — where does the decimal point go? (a) 0.814 (b) 8.14 (c) 81.4 (d) 0.0814
34. 34.0.96 × 0.2 — where does the decimal point go? (a) 0.0192 (b) 0.192 (c) 0.00192 (d) 1.92
35. 35.2.2 × 0.7 — where does the decimal point go? (a) 1.54 (b) 0.154 (c) 15.4 (d) 0.0154
36. 36.0.62 × 3.2 — where does the decimal point go? (a) 19.84 (b) 0.1984 (c) 0.01984 (d) 1.984
37. 37.3.9 × 13 — where does the decimal point go? (a) 507 (b) 50.7 (c) 0.507 (d) 5.07
38. 38.0.87 × 2.6 — where does the decimal point go? (a) 22.62 (b) 2.262 (c) 0.2262 (d) 0.02262
39. 39.0.82 × 4 — where does the decimal point go? (a) 0.328 (b) 0.0328 (c) 3.28 (d) 32.8
40. 40.0.28 × 44 — where does the decimal point go? (a) 1.232 (b) 12.32 (c) 123.2 (d) 0.1232

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