Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 467 · 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. 1.8.1 × 0.7 — where does the decimal point go? (a) 56.7 (b) 0.567 (c) 0.0567 (d) 5.67
2. 2.0.72 × 0.4 — where does the decimal point go? (a) 0.0288 (b) 0.00288 (c) 0.288 (d) 2.88
3. 3.4.3 × 0.9 — where does the decimal point go? (a) 0.0387 (b) 3.87 (c) 38.7 (d) 0.387
4. 4.2.4 × 34 — where does the decimal point go? (a) 0.816 (b) 81.6 (c) 816 (d) 8.16
5. 5.3.5 × 3.1 — where does the decimal point go? (a) 1.085 (b) 10.85 (c) 108.5 (d) 0.1085
6. 6.0.18 × 1.8 — where does the decimal point go? (a) 3.24 (b) 0.324 (c) 0.00324 (d) 0.0324
7. 7.0.12 × 14 — where does the decimal point go? (a) 0.168 (b) 0.0168 (c) 1.68 (d) 16.8
8. 8.0.61 × 9 — where does the decimal point go? (a) 0.0549 (b) 5.49 (c) 0.549 (d) 54.9
9. 9.8.2 × 44 — where does the decimal point go? (a) 3608 (b) 3.608 (c) 36.08 (d) 360.8
10. 10.0.62 × 7 — where does the decimal point go? (a) 0.0434 (b) 0.434 (c) 4.34 (d) 43.4
11. 11.0.48 × 2.9 — where does the decimal point go? (a) 1.392 (b) 13.92 (c) 0.01392 (d) 0.1392
12. 12.3.8 × 0.7 — where does the decimal point go? (a) 0.0266 (b) 0.266 (c) 2.66 (d) 26.6
13. 13.6.6 × 3 — where does the decimal point go? (a) 198 (b) 19.8 (c) 1.98 (d) 0.198
14. 14.8.4 × 8 — where does the decimal point go? (a) 6.72 (b) 672 (c) 67.2 (d) 0.672
15. 15.4.1 × 4.2 — where does the decimal point go? (a) 1.722 (b) 172.2 (c) 0.1722 (d) 17.22
16. 16.8.7 × 2.3 — where does the decimal point go? (a) 200.1 (b) 0.2001 (c) 2.001 (d) 20.01
17. 17.2.9 × 4.6 — where does the decimal point go? (a) 13.34 (b) 1.334 (c) 133.4 (d) 0.1334
18. 18.6.9 × 3.8 — where does the decimal point go? (a) 2.622 (b) 26.22 (c) 0.2622 (d) 262.2
19. 19.7.9 × 4 — where does the decimal point go? (a) 31.6 (b) 316 (c) 3.16 (d) 0.316
20. 20.3.9 × 7 — where does the decimal point go? (a) 2.73 (b) 273 (c) 27.3 (d) 0.273
21. 21.0.73 × 6 — where does the decimal point go? (a) 43.8 (b) 0.0438 (c) 4.38 (d) 0.438
22. 22.1.3 × 18 — where does the decimal point go? (a) 0.234 (b) 23.4 (c) 234 (d) 2.34
23. 23.0.26 × 38 — where does the decimal point go? (a) 9.88 (b) 0.0988 (c) 0.988 (d) 98.8
24. 24.0.46 × 27 — where does the decimal point go? (a) 0.1242 (b) 12.42 (c) 1.242 (d) 124.2
25. 25.8.7 × 3 — where does the decimal point go? (a) 26.1 (b) 261 (c) 0.261 (d) 2.61
26. 26.0.45 × 2.9 — where does the decimal point go? (a) 1.305 (b) 0.1305 (c) 0.01305 (d) 13.05
27. 27.0.76 × 7 — where does the decimal point go? (a) 5.32 (b) 0.0532 (c) 0.532 (d) 53.2
28. 28.6.1 × 0.4 — where does the decimal point go? (a) 24.4 (b) 0.244 (c) 0.0244 (d) 2.44
29. 29.0.54 × 8 — where does the decimal point go? (a) 43.2 (b) 0.0432 (c) 0.432 (d) 4.32
30. 30.1.7 × 15 — where does the decimal point go? (a) 0.255 (b) 255 (c) 2.55 (d) 25.5
31. 31.2.3 × 3 — where does the decimal point go? (a) 69 (b) 6.9 (c) 0.69 (d) 0.069
32. 32.0.89 × 14 — where does the decimal point go? (a) 12.46 (b) 0.1246 (c) 124.6 (d) 1.246
33. 33.0.48 × 9 — where does the decimal point go? (a) 0.0432 (b) 4.32 (c) 43.2 (d) 0.432
34. 34.2.2 × 3 — where does the decimal point go? (a) 0.66 (b) 0.066 (c) 6.6 (d) 66
35. 35.0.34 × 1.6 — where does the decimal point go? (a) 0.544 (b) 0.00544 (c) 0.0544 (d) 5.44
36. 36.0.47 × 1.8 — where does the decimal point go? (a) 0.00846 (b) 0.0846 (c) 0.846 (d) 8.46
37. 37.0.37 × 32 — where does the decimal point go? (a) 11.84 (b) 118.4 (c) 0.1184 (d) 1.184
38. 38.8.5 × 0.3 — where does the decimal point go? (a) 25.5 (b) 0.0255 (c) 0.255 (d) 2.55
39. 39.0.67 × 0.6 — where does the decimal point go? (a) 4.02 (b) 0.00402 (c) 0.402 (d) 0.0402
40. 40.7.5 × 0.5 — where does the decimal point go? (a) 37.5 (b) 3.75 (c) 0.375 (d) 0.0375

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