Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 692 · 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. 1.9.9 × 0.6 — where does the decimal point go? (a) 5.94 (b) 59.4 (c) 0.0594 (d) 0.594
2. 2.0.91 × 0.6 — where does the decimal point go? (a) 0.00546 (b) 0.546 (c) 0.0546 (d) 5.46
3. 3.0.23 × 0.8 — where does the decimal point go? (a) 0.0184 (b) 0.184 (c) 0.00184 (d) 1.84
4. 4.8.8 × 43 — where does the decimal point go? (a) 3.784 (b) 3784 (c) 378.4 (d) 37.84
5. 5.1.9 × 0.6 — where does the decimal point go? (a) 11.4 (b) 0.114 (c) 1.14 (d) 0.0114
6. 6.0.41 × 0.2 — where does the decimal point go? (a) 0.0082 (b) 0.082 (c) 0.82 (d) 0.00082
7. 7.0.48 × 0.7 — where does the decimal point go? (a) 0.0336 (b) 0.00336 (c) 0.336 (d) 3.36
8. 8.7.7 × 27 — where does the decimal point go? (a) 207.9 (b) 2.079 (c) 20.79 (d) 2079
9. 9.7.1 × 3 — where does the decimal point go? (a) 0.213 (b) 2.13 (c) 213 (d) 21.3
10. 10.2.4 × 0.3 — where does the decimal point go? (a) 0.0072 (b) 0.072 (c) 0.72 (d) 7.2
11. 11.6.7 × 2 — where does the decimal point go? (a) 13.4 (b) 134 (c) 0.134 (d) 1.34
12. 12.0.13 × 4 — where does the decimal point go? (a) 0.52 (b) 0.0052 (c) 0.052 (d) 5.2
13. 13.7.8 × 0.8 — where does the decimal point go? (a) 0.624 (b) 0.0624 (c) 62.4 (d) 6.24
14. 14.0.55 × 3 — where does the decimal point go? (a) 16.5 (b) 0.0165 (c) 1.65 (d) 0.165
15. 15.0.26 × 0.6 — where does the decimal point go? (a) 1.56 (b) 0.0156 (c) 0.156 (d) 0.00156
16. 16.0.52 × 26 — where does the decimal point go? (a) 135.2 (b) 0.1352 (c) 1.352 (d) 13.52
17. 17.9.1 × 6 — where does the decimal point go? (a) 5.46 (b) 54.6 (c) 546 (d) 0.546
18. 18.4.6 × 13 — where does the decimal point go? (a) 5.98 (b) 59.8 (c) 598 (d) 0.598
19. 19.5.7 × 2.4 — where does the decimal point go? (a) 1.368 (b) 13.68 (c) 136.8 (d) 0.1368
20. 20.0.14 × 4.3 — where does the decimal point go? (a) 0.00602 (b) 0.602 (c) 6.02 (d) 0.0602
21. 21.1.8 × 4 — where does the decimal point go? (a) 0.072 (b) 7.2 (c) 0.72 (d) 72
22. 22.6.9 × 4 — where does the decimal point go? (a) 27.6 (b) 2.76 (c) 276 (d) 0.276
23. 23.0.24 × 41 — where does the decimal point go? (a) 0.0984 (b) 9.84 (c) 98.4 (d) 0.984
24. 24.0.51 × 6 — where does the decimal point go? (a) 3.06 (b) 0.306 (c) 0.0306 (d) 30.6
25. 25.0.25 × 7 — where does the decimal point go? (a) 0.0175 (b) 0.175 (c) 17.5 (d) 1.75
26. 26.5.5 × 1.7 — where does the decimal point go? (a) 9.35 (b) 0.0935 (c) 93.5 (d) 0.935
27. 27.4.7 × 4.7 — where does the decimal point go? (a) 22.09 (b) 2.209 (c) 0.2209 (d) 220.9
28. 28.0.94 × 0.4 — where does the decimal point go? (a) 3.76 (b) 0.376 (c) 0.0376 (d) 0.00376
29. 29.0.39 × 0.3 — where does the decimal point go? (a) 0.0117 (b) 1.17 (c) 0.117 (d) 0.00117
30. 30.0.44 × 22 — where does the decimal point go? (a) 9.68 (b) 0.0968 (c) 0.968 (d) 96.8
31. 31.0.77 × 2.9 — where does the decimal point go? (a) 2.233 (b) 0.2233 (c) 22.33 (d) 0.02233
32. 32.9.7 × 3.2 — where does the decimal point go? (a) 31.04 (b) 310.4 (c) 0.3104 (d) 3.104
33. 33.0.94 × 23 — where does the decimal point go? (a) 216.2 (b) 0.2162 (c) 2.162 (d) 21.62
34. 34.3.2 × 2.8 — where does the decimal point go? (a) 8.96 (b) 89.6 (c) 0.896 (d) 0.0896
35. 35.0.37 × 0.3 — where does the decimal point go? (a) 0.00111 (b) 0.111 (c) 0.0111 (d) 1.11
36. 36.0.26 × 1.8 — where does the decimal point go? (a) 0.00468 (b) 0.0468 (c) 0.468 (d) 4.68
37. 37.0.34 × 24 — where does the decimal point go? (a) 0.0816 (b) 8.16 (c) 0.816 (d) 81.6
38. 38.1.7 × 3.2 — where does the decimal point go? (a) 0.544 (b) 5.44 (c) 54.4 (d) 0.0544
39. 39.0.42 × 4 — where does the decimal point go? (a) 0.0168 (b) 16.8 (c) 1.68 (d) 0.168
40. 40.0.52 × 4.2 — where does the decimal point go? (a) 0.2184 (b) 21.84 (c) 0.02184 (d) 2.184

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