Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 962 · 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 × 0.9 — where does the decimal point go? (a) 0.0297 (b) 0.297 (c) 29.7 (d) 2.97
2. 2.0.13 × 7 — where does the decimal point go? (a) 0.091 (b) 0.0091 (c) 0.91 (d) 9.1
3. 3.0.52 × 1.4 — where does the decimal point go? (a) 7.28 (b) 0.0728 (c) 0.728 (d) 0.00728
4. 4.1.8 × 13 — where does the decimal point go? (a) 234 (b) 0.234 (c) 2.34 (d) 23.4
5. 5.0.71 × 7 — where does the decimal point go? (a) 0.497 (b) 4.97 (c) 0.0497 (d) 49.7
6. 6.5.5 × 0.9 — where does the decimal point go? (a) 49.5 (b) 0.0495 (c) 4.95 (d) 0.495
7. 7.1.6 × 24 — where does the decimal point go? (a) 0.384 (b) 384 (c) 3.84 (d) 38.4
8. 8.0.33 × 0.3 — where does the decimal point go? (a) 0.00099 (b) 0.99 (c) 0.099 (d) 0.0099
9. 9.3.1 × 2 — where does the decimal point go? (a) 62 (b) 0.62 (c) 6.2 (d) 0.062
10. 10.0.13 × 2.9 — where does the decimal point go? (a) 3.77 (b) 0.377 (c) 0.00377 (d) 0.0377
11. 11.0.92 × 0.2 — where does the decimal point go? (a) 0.0184 (b) 0.00184 (c) 0.184 (d) 1.84
12. 12.0.61 × 2.3 — where does the decimal point go? (a) 1.403 (b) 0.01403 (c) 0.1403 (d) 14.03
13. 13.7.5 × 0.5 — where does the decimal point go? (a) 3.75 (b) 0.375 (c) 0.0375 (d) 37.5
14. 14.0.97 × 0.3 — where does the decimal point go? (a) 0.0291 (b) 0.00291 (c) 0.291 (d) 2.91
15. 15.0.63 × 0.2 — where does the decimal point go? (a) 0.0126 (b) 1.26 (c) 0.00126 (d) 0.126
16. 16.3.2 × 33 — where does the decimal point go? (a) 10.56 (b) 1056 (c) 1.056 (d) 105.6
17. 17.8.9 × 1.2 — where does the decimal point go? (a) 10.68 (b) 106.8 (c) 1.068 (d) 0.1068
18. 18.4.3 × 9 — where does the decimal point go? (a) 3.87 (b) 0.387 (c) 387 (d) 38.7
19. 19.0.47 × 2 — where does the decimal point go? (a) 0.094 (b) 0.94 (c) 0.0094 (d) 9.4
20. 20.4.5 × 4.9 — where does the decimal point go? (a) 22.05 (b) 0.2205 (c) 220.5 (d) 2.205
21. 21.9.8 × 29 — where does the decimal point go? (a) 2.842 (b) 28.42 (c) 284.2 (d) 2842
22. 22.0.61 × 0.6 — where does the decimal point go? (a) 0.0366 (b) 0.00366 (c) 3.66 (d) 0.366
23. 23.3.8 × 9 — where does the decimal point go? (a) 34.2 (b) 0.342 (c) 342 (d) 3.42
24. 24.0.96 × 2.4 — where does the decimal point go? (a) 0.2304 (b) 2.304 (c) 0.02304 (d) 23.04
25. 25.5.1 × 0.9 — where does the decimal point go? (a) 45.9 (b) 4.59 (c) 0.0459 (d) 0.459
26. 26.0.55 × 39 — where does the decimal point go? (a) 214.5 (b) 21.45 (c) 2.145 (d) 0.2145
27. 27.3.2 × 2.2 — where does the decimal point go? (a) 0.704 (b) 70.4 (c) 7.04 (d) 0.0704
28. 28.0.65 × 1.3 — where does the decimal point go? (a) 0.845 (b) 0.0845 (c) 8.45 (d) 0.00845
29. 29.1.9 × 15 — where does the decimal point go? (a) 28.5 (b) 0.285 (c) 2.85 (d) 285
30. 30.0.31 × 11 — where does the decimal point go? (a) 3.41 (b) 0.0341 (c) 0.341 (d) 34.1
31. 31.6.4 × 0.6 — where does the decimal point go? (a) 3.84 (b) 38.4 (c) 0.0384 (d) 0.384
32. 32.5.6 × 0.8 — where does the decimal point go? (a) 0.0448 (b) 0.448 (c) 44.8 (d) 4.48
33. 33.0.53 × 0.4 — where does the decimal point go? (a) 0.212 (b) 0.0212 (c) 2.12 (d) 0.00212
34. 34.3.9 × 19 — where does the decimal point go? (a) 0.741 (b) 741 (c) 7.41 (d) 74.1
35. 35.8.1 × 3.7 — where does the decimal point go? (a) 0.2997 (b) 2.997 (c) 29.97 (d) 299.7
36. 36.1.9 × 5 — where does the decimal point go? (a) 9.5 (b) 95 (c) 0.95 (d) 0.095
37. 37.1.3 × 7 — where does the decimal point go? (a) 0.091 (b) 0.91 (c) 9.1 (d) 91
38. 38.3.8 × 7 — where does the decimal point go? (a) 26.6 (b) 2.66 (c) 0.266 (d) 266
39. 39.0.41 × 0.7 — where does the decimal point go? (a) 0.287 (b) 0.0287 (c) 2.87 (d) 0.00287
40. 40.1.3 × 1.4 — where does the decimal point go? (a) 0.0182 (b) 0.182 (c) 1.82 (d) 18.2

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