Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 512 · 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. 1.0.96 × 0.8 — where does the decimal point go? (a) 0.00768 (b) 0.768 (c) 0.0768 (d) 7.68
2. 2.4.6 × 27 — where does the decimal point go? (a) 1.242 (b) 124.2 (c) 12.42 (d) 1242
3. 3.3.4 × 0.9 — where does the decimal point go? (a) 3.06 (b) 30.6 (c) 0.0306 (d) 0.306
4. 4.0.68 × 1.1 — where does the decimal point go? (a) 0.748 (b) 0.00748 (c) 0.0748 (d) 7.48
5. 5.0.99 × 0.9 — where does the decimal point go? (a) 8.91 (b) 0.0891 (c) 0.891 (d) 0.00891
6. 6.0.69 × 46 — where does the decimal point go? (a) 31.74 (b) 317.4 (c) 0.3174 (d) 3.174
7. 7.0.56 × 0.8 — where does the decimal point go? (a) 0.448 (b) 0.00448 (c) 0.0448 (d) 4.48
8. 8.7.8 × 0.7 — where does the decimal point go? (a) 0.0546 (b) 5.46 (c) 54.6 (d) 0.546
9. 9.2.2 × 3.3 — where does the decimal point go? (a) 7.26 (b) 72.6 (c) 0.0726 (d) 0.726
10. 10.0.27 × 0.6 — where does the decimal point go? (a) 0.0162 (b) 1.62 (c) 0.162 (d) 0.00162
11. 11.3.4 × 0.4 — where does the decimal point go? (a) 1.36 (b) 13.6 (c) 0.0136 (d) 0.136
12. 12.2.9 × 3.5 — where does the decimal point go? (a) 0.1015 (b) 1.015 (c) 101.5 (d) 10.15
13. 13.0.39 × 28 — where does the decimal point go? (a) 10.92 (b) 1.092 (c) 0.1092 (d) 109.2
14. 14.9.8 × 24 — where does the decimal point go? (a) 2.352 (b) 2352 (c) 23.52 (d) 235.2
15. 15.0.16 × 3.4 — where does the decimal point go? (a) 0.00544 (b) 0.544 (c) 5.44 (d) 0.0544
16. 16.1.9 × 25 — where does the decimal point go? (a) 0.475 (b) 47.5 (c) 475 (d) 4.75
17. 17.0.16 × 0.2 — where does the decimal point go? (a) 0.0032 (b) 0.32 (c) 0.00032 (d) 0.032
18. 18.0.97 × 1.8 — where does the decimal point go? (a) 1.746 (b) 17.46 (c) 0.01746 (d) 0.1746
19. 19.3.7 × 0.4 — where does the decimal point go? (a) 1.48 (b) 0.148 (c) 0.0148 (d) 14.8
20. 20.0.44 × 18 — where does the decimal point go? (a) 0.792 (b) 7.92 (c) 0.0792 (d) 79.2
21. 21.6.4 × 3.4 — where does the decimal point go? (a) 21.76 (b) 2.176 (c) 0.2176 (d) 217.6
22. 22.0.68 × 0.7 — where does the decimal point go? (a) 0.0476 (b) 0.00476 (c) 4.76 (d) 0.476
23. 23.7.4 × 8 — where does the decimal point go? (a) 5.92 (b) 592 (c) 0.592 (d) 59.2
24. 24.8.1 × 0.7 — where does the decimal point go? (a) 5.67 (b) 0.0567 (c) 0.567 (d) 56.7
25. 25.7.3 × 39 — where does the decimal point go? (a) 2.847 (b) 284.7 (c) 28.47 (d) 2847
26. 26.4.2 × 22 — where does the decimal point go? (a) 92.4 (b) 0.924 (c) 924 (d) 9.24
27. 27.0.17 × 18 — where does the decimal point go? (a) 0.0306 (b) 0.306 (c) 30.6 (d) 3.06
28. 28.0.19 × 0.8 — where does the decimal point go? (a) 0.152 (b) 0.00152 (c) 0.0152 (d) 1.52
29. 29.0.66 × 4.1 — where does the decimal point go? (a) 0.2706 (b) 2.706 (c) 0.02706 (d) 27.06
30. 30.0.25 × 7 — where does the decimal point go? (a) 0.175 (b) 0.0175 (c) 17.5 (d) 1.75
31. 31.0.27 × 0.4 — where does the decimal point go? (a) 1.08 (b) 0.108 (c) 0.0108 (d) 0.00108
32. 32.0.73 × 19 — where does the decimal point go? (a) 138.7 (b) 0.1387 (c) 13.87 (d) 1.387
33. 33.0.58 × 46 — where does the decimal point go? (a) 2.668 (b) 26.68 (c) 266.8 (d) 0.2668
34. 34.9.3 × 0.3 — where does the decimal point go? (a) 27.9 (b) 0.279 (c) 2.79 (d) 0.0279
35. 35.0.88 × 3.2 — where does the decimal point go? (a) 0.02816 (b) 28.16 (c) 0.2816 (d) 2.816
36. 36.0.63 × 0.4 — where does the decimal point go? (a) 0.252 (b) 0.0252 (c) 2.52 (d) 0.00252
37. 37.2.6 × 2.9 — where does the decimal point go? (a) 0.0754 (b) 75.4 (c) 0.754 (d) 7.54
38. 38.0.29 × 32 — where does the decimal point go? (a) 92.8 (b) 9.28 (c) 0.928 (d) 0.0928
39. 39.7.6 × 27 — where does the decimal point go? (a) 2052 (b) 205.2 (c) 20.52 (d) 2.052
40. 40.0.63 × 0.3 — where does the decimal point go? (a) 0.0189 (b) 0.00189 (c) 0.189 (d) 1.89

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