Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 614 · 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. 1.0.65 × 5 — where does the decimal point go? (a) 0.325 (b) 0.0325 (c) 32.5 (d) 3.25
2. 2.5.4 × 4.6 — where does the decimal point go? (a) 0.2484 (b) 2.484 (c) 24.84 (d) 248.4
3. 3.3.6 × 0.2 — where does the decimal point go? (a) 0.072 (b) 0.0072 (c) 7.2 (d) 0.72
4. 4.1.3 × 36 — where does the decimal point go? (a) 4.68 (b) 468 (c) 0.468 (d) 46.8
5. 5.0.26 × 0.6 — where does the decimal point go? (a) 0.0156 (b) 1.56 (c) 0.156 (d) 0.00156
6. 6.6.7 × 33 — where does the decimal point go? (a) 221.1 (b) 22.11 (c) 2211 (d) 2.211
7. 7.6.4 × 0.2 — where does the decimal point go? (a) 1.28 (b) 0.128 (c) 12.8 (d) 0.0128
8. 8.0.33 × 2.7 — where does the decimal point go? (a) 0.0891 (b) 0.00891 (c) 0.891 (d) 8.91
9. 9.0.31 × 3.3 — where does the decimal point go? (a) 10.23 (b) 0.01023 (c) 0.1023 (d) 1.023
10. 10.0.19 × 0.9 — where does the decimal point go? (a) 0.0171 (b) 0.171 (c) 0.00171 (d) 1.71
11. 11.0.24 × 2.9 — where does the decimal point go? (a) 6.96 (b) 0.00696 (c) 0.0696 (d) 0.696
12. 12.6.9 × 48 — where does the decimal point go? (a) 3312 (b) 331.2 (c) 33.12 (d) 3.312
13. 13.3.8 × 0.9 — where does the decimal point go? (a) 0.0342 (b) 34.2 (c) 0.342 (d) 3.42
14. 14.0.12 × 9 — where does the decimal point go? (a) 1.08 (b) 10.8 (c) 0.108 (d) 0.0108
15. 15.0.76 × 16 — where does the decimal point go? (a) 1.216 (b) 121.6 (c) 0.1216 (d) 12.16
16. 16.3.9 × 5 — where does the decimal point go? (a) 1.95 (b) 0.195 (c) 195 (d) 19.5
17. 17.0.57 × 7 — where does the decimal point go? (a) 0.0399 (b) 0.399 (c) 3.99 (d) 39.9
18. 18.3.8 × 0.8 — where does the decimal point go? (a) 0.0304 (b) 30.4 (c) 3.04 (d) 0.304
19. 19.0.82 × 4.6 — where does the decimal point go? (a) 0.3772 (b) 37.72 (c) 3.772 (d) 0.03772
20. 20.1.2 × 0.9 — where does the decimal point go? (a) 0.0108 (b) 0.108 (c) 10.8 (d) 1.08
21. 21.0.28 × 3.1 — where does the decimal point go? (a) 0.00868 (b) 0.868 (c) 0.0868 (d) 8.68
22. 22.4.3 × 0.9 — where does the decimal point go? (a) 0.0387 (b) 3.87 (c) 0.387 (d) 38.7
23. 23.0.95 × 0.9 — where does the decimal point go? (a) 0.00855 (b) 0.855 (c) 8.55 (d) 0.0855
24. 24.3.9 × 43 — where does the decimal point go? (a) 1677 (b) 167.7 (c) 1.677 (d) 16.77
25. 25.0.84 × 3.7 — where does the decimal point go? (a) 3.108 (b) 0.3108 (c) 31.08 (d) 0.03108
26. 26.0.99 × 6 — where does the decimal point go? (a) 5.94 (b) 59.4 (c) 0.0594 (d) 0.594
27. 27.5.2 × 23 — where does the decimal point go? (a) 1.196 (b) 11.96 (c) 119.6 (d) 1196
28. 28.6.8 × 4 — where does the decimal point go? (a) 27.2 (b) 2.72 (c) 272 (d) 0.272
29. 29.4.7 × 3.5 — where does the decimal point go? (a) 1.645 (b) 16.45 (c) 164.5 (d) 0.1645
30. 30.5.7 × 7 — where does the decimal point go? (a) 0.399 (b) 3.99 (c) 399 (d) 39.9
31. 31.0.82 × 2 — where does the decimal point go? (a) 0.0164 (b) 16.4 (c) 1.64 (d) 0.164
32. 32.6.5 × 4.3 — where does the decimal point go? (a) 279.5 (b) 0.2795 (c) 2.795 (d) 27.95
33. 33.0.24 × 0.4 — where does the decimal point go? (a) 0.96 (b) 0.00096 (c) 0.0096 (d) 0.096
34. 34.8.3 × 3 — where does the decimal point go? (a) 249 (b) 2.49 (c) 0.249 (d) 24.9
35. 35.1.5 × 0.7 — where does the decimal point go? (a) 1.05 (b) 10.5 (c) 0.0105 (d) 0.105
36. 36.2.6 × 1.8 — where does the decimal point go? (a) 4.68 (b) 0.0468 (c) 0.468 (d) 46.8
37. 37.8.2 × 11 — where does the decimal point go? (a) 90.2 (b) 9.02 (c) 902 (d) 0.902
38. 38.0.44 × 46 — where does the decimal point go? (a) 0.2024 (b) 20.24 (c) 202.4 (d) 2.024
39. 39.9.1 × 4 — where does the decimal point go? (a) 3.64 (b) 0.364 (c) 36.4 (d) 364
40. 40.9.4 × 1.4 — where does the decimal point go? (a) 131.6 (b) 13.16 (c) 0.1316 (d) 1.316

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