Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 153 · 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. 1.3.3 × 12 — where does the decimal point go? (a) 3.96 (b) 0.396 (c) 396 (d) 39.6
2. 2.0.74 × 0.4 — where does the decimal point go? (a) 0.0296 (b) 0.00296 (c) 2.96 (d) 0.296
3. 3.7.8 × 1.7 — where does the decimal point go? (a) 1.326 (b) 13.26 (c) 0.1326 (d) 132.6
4. 4.0.78 × 18 — where does the decimal point go? (a) 1.404 (b) 0.1404 (c) 14.04 (d) 140.4
5. 5.4.1 × 9 — where does the decimal point go? (a) 369 (b) 0.369 (c) 3.69 (d) 36.9
6. 6.0.33 × 12 — where does the decimal point go? (a) 0.396 (b) 39.6 (c) 0.0396 (d) 3.96
7. 7.1.8 × 46 — where does the decimal point go? (a) 8.28 (b) 828 (c) 82.8 (d) 0.828
8. 8.0.96 × 2 — where does the decimal point go? (a) 1.92 (b) 19.2 (c) 0.0192 (d) 0.192
9. 9.0.47 × 0.7 — where does the decimal point go? (a) 0.0329 (b) 3.29 (c) 0.00329 (d) 0.329
10. 10.0.49 × 1.4 — where does the decimal point go? (a) 0.686 (b) 0.00686 (c) 0.0686 (d) 6.86
11. 11.3.9 × 2.1 — where does the decimal point go? (a) 81.9 (b) 8.19 (c) 0.819 (d) 0.0819
12. 12.3.4 × 14 — where does the decimal point go? (a) 0.476 (b) 47.6 (c) 4.76 (d) 476
13. 13.3.4 × 0.2 — where does the decimal point go? (a) 0.68 (b) 0.068 (c) 0.0068 (d) 6.8
14. 14.0.32 × 0.7 — where does the decimal point go? (a) 0.00224 (b) 0.224 (c) 0.0224 (d) 2.24
15. 15.0.34 × 1.2 — where does the decimal point go? (a) 4.08 (b) 0.0408 (c) 0.00408 (d) 0.408
16. 16.4.8 × 0.6 — where does the decimal point go? (a) 0.0288 (b) 0.288 (c) 28.8 (d) 2.88
17. 17.0.74 × 34 — where does the decimal point go? (a) 251.6 (b) 0.2516 (c) 25.16 (d) 2.516
18. 18.0.49 × 18 — where does the decimal point go? (a) 88.2 (b) 0.882 (c) 0.0882 (d) 8.82
19. 19.0.36 × 24 — where does the decimal point go? (a) 0.864 (b) 8.64 (c) 86.4 (d) 0.0864
20. 20.0.52 × 44 — where does the decimal point go? (a) 228.8 (b) 2.288 (c) 0.2288 (d) 22.88
21. 21.0.72 × 2.1 — where does the decimal point go? (a) 1.512 (b) 0.1512 (c) 15.12 (d) 0.01512
22. 22.0.38 × 2.7 — where does the decimal point go? (a) 1.026 (b) 0.1026 (c) 0.01026 (d) 10.26
23. 23.0.23 × 49 — where does the decimal point go? (a) 112.7 (b) 1.127 (c) 0.1127 (d) 11.27
24. 24.4.1 × 18 — where does the decimal point go? (a) 73.8 (b) 738 (c) 7.38 (d) 0.738
25. 25.0.73 × 25 — where does the decimal point go? (a) 1.825 (b) 0.1825 (c) 182.5 (d) 18.25
26. 26.0.99 × 0.3 — where does the decimal point go? (a) 2.97 (b) 0.297 (c) 0.0297 (d) 0.00297
27. 27.1.3 × 2.7 — where does the decimal point go? (a) 0.0351 (b) 35.1 (c) 3.51 (d) 0.351
28. 28.0.14 × 0.6 — where does the decimal point go? (a) 0.84 (b) 0.0084 (c) 0.084 (d) 0.00084
29. 29.0.53 × 19 — where does the decimal point go? (a) 0.1007 (b) 100.7 (c) 1.007 (d) 10.07
30. 30.3.8 × 3 — where does the decimal point go? (a) 11.4 (b) 1.14 (c) 0.114 (d) 114
31. 31.9.1 × 4.1 — where does the decimal point go? (a) 0.3731 (b) 37.31 (c) 373.1 (d) 3.731
32. 32.0.91 × 27 — where does the decimal point go? (a) 2.457 (b) 0.2457 (c) 245.7 (d) 24.57
33. 33.4.6 × 4.1 — where does the decimal point go? (a) 0.1886 (b) 1.886 (c) 18.86 (d) 188.6
34. 34.0.24 × 1.1 — where does the decimal point go? (a) 0.264 (b) 0.0264 (c) 2.64 (d) 0.00264
35. 35.5.5 × 1.9 — where does the decimal point go? (a) 0.1045 (b) 1.045 (c) 104.5 (d) 10.45
36. 36.4.2 × 2 — where does the decimal point go? (a) 8.4 (b) 0.84 (c) 0.084 (d) 84
37. 37.0.43 × 2.4 — where does the decimal point go? (a) 0.01032 (b) 1.032 (c) 10.32 (d) 0.1032
38. 38.0.26 × 4.3 — where does the decimal point go? (a) 1.118 (b) 0.1118 (c) 0.01118 (d) 11.18
39. 39.6.2 × 0.8 — where does the decimal point go? (a) 0.496 (b) 0.0496 (c) 49.6 (d) 4.96
40. 40.0.31 × 24 — where does the decimal point go? (a) 0.744 (b) 7.44 (c) 0.0744 (d) 74.4

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