Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 318 · 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. 1.6.7 × 2.8 — where does the decimal point go? (a) 187.6 (b) 0.1876 (c) 18.76 (d) 1.876
2. 2.8.8 × 7 — where does the decimal point go? (a) 0.616 (b) 61.6 (c) 6.16 (d) 616
3. 3.2.6 × 2 — where does the decimal point go? (a) 0.52 (b) 52 (c) 5.2 (d) 0.052
4. 4.3.9 × 1.9 — where does the decimal point go? (a) 7.41 (b) 0.0741 (c) 74.1 (d) 0.741
5. 5.3.4 × 39 — where does the decimal point go? (a) 132.6 (b) 1326 (c) 13.26 (d) 1.326
6. 6.0.48 × 0.3 — where does the decimal point go? (a) 0.00144 (b) 0.144 (c) 1.44 (d) 0.0144
7. 7.7.6 × 3 — where does the decimal point go? (a) 22.8 (b) 228 (c) 0.228 (d) 2.28
8. 8.0.54 × 36 — where does the decimal point go? (a) 19.44 (b) 0.1944 (c) 194.4 (d) 1.944
9. 9.1.9 × 0.4 — where does the decimal point go? (a) 0.76 (b) 0.0076 (c) 0.076 (d) 7.6
10. 10.5.9 × 16 — where does the decimal point go? (a) 944 (b) 94.4 (c) 9.44 (d) 0.944
11. 11.0.21 × 36 — where does the decimal point go? (a) 0.0756 (b) 0.756 (c) 7.56 (d) 75.6
12. 12.5.8 × 6 — where does the decimal point go? (a) 34.8 (b) 0.348 (c) 348 (d) 3.48
13. 13.0.49 × 8 — where does the decimal point go? (a) 0.392 (b) 39.2 (c) 0.0392 (d) 3.92
14. 14.0.75 × 5 — where does the decimal point go? (a) 37.5 (b) 0.0375 (c) 0.375 (d) 3.75
15. 15.0.39 × 0.8 — where does the decimal point go? (a) 0.312 (b) 0.00312 (c) 0.0312 (d) 3.12
16. 16.0.68 × 8 — where does the decimal point go? (a) 0.0544 (b) 5.44 (c) 54.4 (d) 0.544
17. 17.0.79 × 3 — where does the decimal point go? (a) 0.0237 (b) 0.237 (c) 23.7 (d) 2.37
18. 18.0.62 × 0.9 — where does the decimal point go? (a) 0.558 (b) 0.00558 (c) 0.0558 (d) 5.58
19. 19.3.6 × 22 — where does the decimal point go? (a) 79.2 (b) 792 (c) 7.92 (d) 0.792
20. 20.0.71 × 35 — where does the decimal point go? (a) 0.2485 (b) 248.5 (c) 24.85 (d) 2.485
21. 21.6.2 × 0.4 — where does the decimal point go? (a) 0.0248 (b) 0.248 (c) 2.48 (d) 24.8
22. 22.7.3 × 0.2 — where does the decimal point go? (a) 0.146 (b) 0.0146 (c) 14.6 (d) 1.46
23. 23.0.12 × 4 — where does the decimal point go? (a) 0.0048 (b) 0.48 (c) 0.048 (d) 4.8
24. 24.7.6 × 39 — where does the decimal point go? (a) 2.964 (b) 29.64 (c) 2964 (d) 296.4
25. 25.4.7 × 2 — where does the decimal point go? (a) 0.94 (b) 94 (c) 9.4 (d) 0.094
26. 26.0.58 × 0.4 — where does the decimal point go? (a) 2.32 (b) 0.232 (c) 0.00232 (d) 0.0232
27. 27.0.24 × 26 — where does the decimal point go? (a) 62.4 (b) 0.624 (c) 0.0624 (d) 6.24
28. 28.0.28 × 0.3 — where does the decimal point go? (a) 0.0084 (b) 0.084 (c) 0.84 (d) 0.00084
29. 29.3.3 × 23 — where does the decimal point go? (a) 759 (b) 75.9 (c) 7.59 (d) 0.759
30. 30.0.46 × 48 — where does the decimal point go? (a) 2.208 (b) 0.2208 (c) 22.08 (d) 220.8
31. 31.0.44 × 1.4 — where does the decimal point go? (a) 6.16 (b) 0.0616 (c) 0.00616 (d) 0.616
32. 32.0.63 × 0.6 — where does the decimal point go? (a) 0.00378 (b) 0.0378 (c) 0.378 (d) 3.78
33. 33.3.7 × 32 — where does the decimal point go? (a) 1184 (b) 11.84 (c) 1.184 (d) 118.4
34. 34.0.53 × 0.2 — where does the decimal point go? (a) 0.106 (b) 0.00106 (c) 1.06 (d) 0.0106
35. 35.0.17 × 0.3 — where does the decimal point go? (a) 0.0051 (b) 0.00051 (c) 0.51 (d) 0.051
36. 36.0.44 × 21 — where does the decimal point go? (a) 9.24 (b) 92.4 (c) 0.0924 (d) 0.924
37. 37.0.98 × 1.3 — where does the decimal point go? (a) 1.274 (b) 0.1274 (c) 0.01274 (d) 12.74
38. 38.2.4 × 0.2 — where does the decimal point go? (a) 0.048 (b) 0.0048 (c) 0.48 (d) 4.8
39. 39.0.63 × 1.8 — where does the decimal point go? (a) 11.34 (b) 0.1134 (c) 0.01134 (d) 1.134
40. 40.3.7 × 8 — where does the decimal point go? (a) 296 (b) 0.296 (c) 2.96 (d) 29.6

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