Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 213 · 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. 1.2.6 × 37 — where does the decimal point go? (a) 9.62 (b) 962 (c) 96.2 (d) 0.962
2. 2.6.2 × 7 — where does the decimal point go? (a) 4.34 (b) 0.434 (c) 43.4 (d) 434
3. 3.5.5 × 41 — where does the decimal point go? (a) 2.255 (b) 225.5 (c) 2255 (d) 22.55
4. 4.0.87 × 0.6 — where does the decimal point go? (a) 5.22 (b) 0.00522 (c) 0.0522 (d) 0.522
5. 5.0.14 × 0.2 — where does the decimal point go? (a) 0.28 (b) 0.028 (c) 0.00028 (d) 0.0028
6. 6.6.4 × 0.3 — where does the decimal point go? (a) 0.192 (b) 1.92 (c) 0.0192 (d) 19.2
7. 7.0.19 × 1.6 — where does the decimal point go? (a) 0.0304 (b) 0.304 (c) 3.04 (d) 0.00304
8. 8.8.4 × 3.8 — where does the decimal point go? (a) 0.3192 (b) 31.92 (c) 3.192 (d) 319.2
9. 9.1.7 × 3 — where does the decimal point go? (a) 51 (b) 0.51 (c) 5.1 (d) 0.051
10. 10.8.6 × 0.2 — where does the decimal point go? (a) 17.2 (b) 0.172 (c) 1.72 (d) 0.0172
11. 11.8.3 × 2.1 — where does the decimal point go? (a) 1.743 (b) 17.43 (c) 0.1743 (d) 174.3
12. 12.9.9 × 32 — where does the decimal point go? (a) 316.8 (b) 3.168 (c) 31.68 (d) 3168
13. 13.0.61 × 3.7 — where does the decimal point go? (a) 0.02257 (b) 0.2257 (c) 22.57 (d) 2.257
14. 14.0.64 × 3.1 — where does the decimal point go? (a) 0.1984 (b) 1.984 (c) 0.01984 (d) 19.84
15. 15.4.2 × 4.1 — where does the decimal point go? (a) 0.1722 (b) 172.2 (c) 1.722 (d) 17.22
16. 16.7.8 × 0.9 — where does the decimal point go? (a) 0.0702 (b) 70.2 (c) 7.02 (d) 0.702
17. 17.1.7 × 4.4 — where does the decimal point go? (a) 7.48 (b) 0.748 (c) 74.8 (d) 0.0748
18. 18.0.31 × 6 — where does the decimal point go? (a) 18.6 (b) 1.86 (c) 0.0186 (d) 0.186
19. 19.6.2 × 3 — where does the decimal point go? (a) 18.6 (b) 0.186 (c) 186 (d) 1.86
20. 20.2.1 × 47 — where does the decimal point go? (a) 0.987 (b) 9.87 (c) 98.7 (d) 987
21. 21.0.57 × 0.9 — where does the decimal point go? (a) 0.0513 (b) 0.513 (c) 5.13 (d) 0.00513
22. 22.8.8 × 0.6 — where does the decimal point go? (a) 5.28 (b) 52.8 (c) 0.528 (d) 0.0528
23. 23.0.82 × 0.4 — where does the decimal point go? (a) 0.00328 (b) 0.0328 (c) 0.328 (d) 3.28
24. 24.0.94 × 0.9 — where does the decimal point go? (a) 0.846 (b) 0.0846 (c) 8.46 (d) 0.00846
25. 25.8.5 × 1.3 — where does the decimal point go? (a) 11.05 (b) 110.5 (c) 0.1105 (d) 1.105
26. 26.4.4 × 3 — where does the decimal point go? (a) 1.32 (b) 0.132 (c) 13.2 (d) 132
27. 27.1.3 × 6 — where does the decimal point go? (a) 0.78 (b) 0.078 (c) 7.8 (d) 78
28. 28.8.5 × 4.5 — where does the decimal point go? (a) 382.5 (b) 3.825 (c) 0.3825 (d) 38.25
29. 29.8.4 × 4 — where does the decimal point go? (a) 0.336 (b) 33.6 (c) 336 (d) 3.36
30. 30.2.7 × 1.3 — where does the decimal point go? (a) 3.51 (b) 35.1 (c) 0.0351 (d) 0.351
31. 31.4.8 × 38 — where does the decimal point go? (a) 182.4 (b) 1.824 (c) 18.24 (d) 1824
32. 32.6.1 × 5 — where does the decimal point go? (a) 30.5 (b) 3.05 (c) 305 (d) 0.305
33. 33.0.79 × 2.5 — where does the decimal point go? (a) 0.1975 (b) 1.975 (c) 19.75 (d) 0.01975
34. 34.0.46 × 1.2 — where does the decimal point go? (a) 5.52 (b) 0.00552 (c) 0.0552 (d) 0.552
35. 35.0.43 × 34 — where does the decimal point go? (a) 1.462 (b) 14.62 (c) 0.1462 (d) 146.2
36. 36.6.4 × 3.2 — where does the decimal point go? (a) 20.48 (b) 204.8 (c) 0.2048 (d) 2.048
37. 37.8.9 × 2 — where does the decimal point go? (a) 1.78 (b) 0.178 (c) 17.8 (d) 178
38. 38.0.27 × 0.5 — where does the decimal point go? (a) 0.0135 (b) 0.00135 (c) 1.35 (d) 0.135
39. 39.6.4 × 1.6 — where does the decimal point go? (a) 1.024 (b) 0.1024 (c) 102.4 (d) 10.24
40. 40.0.35 × 27 — where does the decimal point go? (a) 9.45 (b) 0.945 (c) 0.0945 (d) 94.5

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