Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 195 · 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. 1.2.3 × 11 — where does the decimal point go? (a) 25.3 (b) 0.253 (c) 253 (d) 2.53
2. 2.9.9 × 3.4 — where does the decimal point go? (a) 336.6 (b) 33.66 (c) 0.3366 (d) 3.366
3. 3.7.2 × 46 — where does the decimal point go? (a) 331.2 (b) 33.12 (c) 3312 (d) 3.312
4. 4.0.31 × 1.8 — where does the decimal point go? (a) 0.00558 (b) 0.0558 (c) 5.58 (d) 0.558
5. 5.1.5 × 3 — where does the decimal point go? (a) 45 (b) 4.5 (c) 0.45 (d) 0.045
6. 6.5.9 × 48 — where does the decimal point go? (a) 28.32 (b) 283.2 (c) 2.832 (d) 2832
7. 7.4.8 × 0.9 — where does the decimal point go? (a) 43.2 (b) 0.432 (c) 0.0432 (d) 4.32
8. 8.2.6 × 0.8 — where does the decimal point go? (a) 2.08 (b) 0.208 (c) 0.0208 (d) 20.8
9. 9.0.93 × 7 — where does the decimal point go? (a) 0.0651 (b) 6.51 (c) 0.651 (d) 65.1
10. 10.8.4 × 33 — where does the decimal point go? (a) 277.2 (b) 2.772 (c) 2772 (d) 27.72
11. 11.0.24 × 2.1 — where does the decimal point go? (a) 5.04 (b) 0.504 (c) 0.0504 (d) 0.00504
12. 12.0.49 × 0.4 — where does the decimal point go? (a) 1.96 (b) 0.0196 (c) 0.196 (d) 0.00196
13. 13.6.5 × 43 — where does the decimal point go? (a) 279.5 (b) 2.795 (c) 27.95 (d) 2795
14. 14.0.47 × 47 — where does the decimal point go? (a) 2.209 (b) 0.2209 (c) 22.09 (d) 220.9
15. 15.0.97 × 14 — where does the decimal point go? (a) 135.8 (b) 0.1358 (c) 1.358 (d) 13.58
16. 16.0.49 × 38 — where does the decimal point go? (a) 18.62 (b) 0.1862 (c) 1.862 (d) 186.2
17. 17.0.13 × 32 — where does the decimal point go? (a) 0.0416 (b) 41.6 (c) 4.16 (d) 0.416
18. 18.3.3 × 0.8 — where does the decimal point go? (a) 26.4 (b) 0.0264 (c) 0.264 (d) 2.64
19. 19.0.58 × 0.6 — where does the decimal point go? (a) 0.0348 (b) 3.48 (c) 0.348 (d) 0.00348
20. 20.0.41 × 3 — where does the decimal point go? (a) 0.123 (b) 0.0123 (c) 12.3 (d) 1.23
21. 21.1.2 × 0.3 — where does the decimal point go? (a) 0.036 (b) 0.36 (c) 0.0036 (d) 3.6
22. 22.0.75 × 5 — where does the decimal point go? (a) 0.0375 (b) 3.75 (c) 0.375 (d) 37.5
23. 23.2.8 × 7 — where does the decimal point go? (a) 196 (b) 19.6 (c) 0.196 (d) 1.96
24. 24.5.2 × 2 — where does the decimal point go? (a) 1.04 (b) 104 (c) 0.104 (d) 10.4
25. 25.8.7 × 9 — where does the decimal point go? (a) 7.83 (b) 0.783 (c) 783 (d) 78.3
26. 26.0.13 × 4.1 — where does the decimal point go? (a) 0.533 (b) 5.33 (c) 0.00533 (d) 0.0533
27. 27.0.13 × 3.1 — where does the decimal point go? (a) 0.00403 (b) 0.403 (c) 0.0403 (d) 4.03
28. 28.8.3 × 44 — where does the decimal point go? (a) 365.2 (b) 3.652 (c) 36.52 (d) 3652
29. 29.8.8 × 0.6 — where does the decimal point go? (a) 0.528 (b) 52.8 (c) 0.0528 (d) 5.28
30. 30.6.4 × 3 — where does the decimal point go? (a) 1.92 (b) 0.192 (c) 192 (d) 19.2
31. 31.0.17 × 6 — where does the decimal point go? (a) 10.2 (b) 0.102 (c) 1.02 (d) 0.0102
32. 32.0.81 × 9 — where does the decimal point go? (a) 0.0729 (b) 7.29 (c) 72.9 (d) 0.729
33. 33.0.38 × 7 — where does the decimal point go? (a) 2.66 (b) 0.0266 (c) 0.266 (d) 26.6
34. 34.0.82 × 0.9 — where does the decimal point go? (a) 0.738 (b) 0.00738 (c) 7.38 (d) 0.0738
35. 35.4.9 × 0.5 — where does the decimal point go? (a) 2.45 (b) 0.0245 (c) 24.5 (d) 0.245
36. 36.0.12 × 4 — where does the decimal point go? (a) 0.48 (b) 4.8 (c) 0.0048 (d) 0.048
37. 37.0.26 × 6 — where does the decimal point go? (a) 15.6 (b) 0.156 (c) 0.0156 (d) 1.56
38. 38.0.82 × 23 — where does the decimal point go? (a) 0.1886 (b) 18.86 (c) 188.6 (d) 1.886
39. 39.4.8 × 0.2 — where does the decimal point go? (a) 9.6 (b) 0.096 (c) 0.0096 (d) 0.96
40. 40.7.5 × 47 — where does the decimal point go? (a) 3525 (b) 35.25 (c) 352.5 (d) 3.525

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