Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 67 · 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. 1.1.4 × 1.9 — where does the decimal point go? (a) 0.0266 (b) 2.66 (c) 26.6 (d) 0.266
2. 2.0.21 × 5 — where does the decimal point go? (a) 0.0105 (b) 1.05 (c) 0.105 (d) 10.5
3. 3.5.5 × 0.9 — where does the decimal point go? (a) 49.5 (b) 4.95 (c) 0.495 (d) 0.0495
4. 4.8.1 × 5 — where does the decimal point go? (a) 405 (b) 0.405 (c) 4.05 (d) 40.5
5. 5.6.8 × 0.8 — where does the decimal point go? (a) 0.544 (b) 54.4 (c) 0.0544 (d) 5.44
6. 6.0.37 × 23 — where does the decimal point go? (a) 0.851 (b) 85.1 (c) 0.0851 (d) 8.51
7. 7.0.69 × 12 — where does the decimal point go? (a) 0.828 (b) 82.8 (c) 0.0828 (d) 8.28
8. 8.8.4 × 2.8 — where does the decimal point go? (a) 23.52 (b) 235.2 (c) 0.2352 (d) 2.352
9. 9.0.73 × 2.2 — where does the decimal point go? (a) 0.1606 (b) 1.606 (c) 0.01606 (d) 16.06
10. 10.5.7 × 0.8 — where does the decimal point go? (a) 45.6 (b) 0.0456 (c) 0.456 (d) 4.56
11. 11.3.4 × 3 — where does the decimal point go? (a) 0.102 (b) 102 (c) 1.02 (d) 10.2
12. 12.0.54 × 11 — where does the decimal point go? (a) 0.0594 (b) 0.594 (c) 5.94 (d) 59.4
13. 13.0.47 × 3.9 — where does the decimal point go? (a) 0.1833 (b) 0.01833 (c) 18.33 (d) 1.833
14. 14.1.7 × 3.5 — where does the decimal point go? (a) 59.5 (b) 0.595 (c) 0.0595 (d) 5.95
15. 15.4.5 × 7 — where does the decimal point go? (a) 31.5 (b) 315 (c) 3.15 (d) 0.315
16. 16.6.1 × 44 — where does the decimal point go? (a) 2.684 (b) 268.4 (c) 2684 (d) 26.84
17. 17.2.7 × 0.3 — where does the decimal point go? (a) 0.081 (b) 0.0081 (c) 8.1 (d) 0.81
18. 18.0.29 × 48 — where does the decimal point go? (a) 0.1392 (b) 13.92 (c) 1.392 (d) 139.2
19. 19.2.8 × 23 — where does the decimal point go? (a) 64.4 (b) 644 (c) 6.44 (d) 0.644
20. 20.5.6 × 3 — where does the decimal point go? (a) 16.8 (b) 168 (c) 0.168 (d) 1.68
21. 21.0.33 × 2.2 — where does the decimal point go? (a) 0.00726 (b) 0.0726 (c) 7.26 (d) 0.726
22. 22.0.43 × 2.2 — where does the decimal point go? (a) 0.0946 (b) 0.00946 (c) 0.946 (d) 9.46
23. 23.0.77 × 1.2 — where does the decimal point go? (a) 0.0924 (b) 0.924 (c) 0.00924 (d) 9.24
24. 24.0.73 × 9 — where does the decimal point go? (a) 0.0657 (b) 65.7 (c) 0.657 (d) 6.57
25. 25.7.9 × 19 — where does the decimal point go? (a) 150.1 (b) 1.501 (c) 15.01 (d) 1501
26. 26.8.4 × 9 — where does the decimal point go? (a) 0.756 (b) 75.6 (c) 7.56 (d) 756
27. 27.0.13 × 27 — where does the decimal point go? (a) 35.1 (b) 3.51 (c) 0.0351 (d) 0.351
28. 28.0.17 × 6 — where does the decimal point go? (a) 0.0102 (b) 0.102 (c) 1.02 (d) 10.2
29. 29.0.45 × 2.3 — where does the decimal point go? (a) 1.035 (b) 0.01035 (c) 0.1035 (d) 10.35
30. 30.0.18 × 8 — where does the decimal point go? (a) 0.144 (b) 14.4 (c) 0.0144 (d) 1.44
31. 31.0.91 × 6 — where does the decimal point go? (a) 54.6 (b) 0.546 (c) 5.46 (d) 0.0546
32. 32.1.3 × 7 — where does the decimal point go? (a) 0.91 (b) 9.1 (c) 91 (d) 0.091
33. 33.9.9 × 3.4 — where does the decimal point go? (a) 3.366 (b) 0.3366 (c) 33.66 (d) 336.6
34. 34.4.5 × 17 — where does the decimal point go? (a) 765 (b) 76.5 (c) 7.65 (d) 0.765
35. 35.0.48 × 7 — where does the decimal point go? (a) 3.36 (b) 33.6 (c) 0.336 (d) 0.0336
36. 36.4.7 × 5 — where does the decimal point go? (a) 2.35 (b) 23.5 (c) 235 (d) 0.235
37. 37.9.7 × 0.7 — where does the decimal point go? (a) 0.0679 (b) 6.79 (c) 0.679 (d) 67.9
38. 38.0.54 × 9 — where does the decimal point go? (a) 0.0486 (b) 4.86 (c) 48.6 (d) 0.486
39. 39.1.9 × 4.1 — where does the decimal point go? (a) 7.79 (b) 0.0779 (c) 0.779 (d) 77.9
40. 40.0.62 × 42 — where does the decimal point go? (a) 0.2604 (b) 2.604 (c) 26.04 (d) 260.4

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