Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 796 · 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. 1.2.9 × 0.9 — where does the decimal point go? (a) 26.1 (b) 0.0261 (c) 0.261 (d) 2.61
2. 2.0.42 × 47 — where does the decimal point go? (a) 197.4 (b) 1.974 (c) 0.1974 (d) 19.74
3. 3.0.71 × 3 — where does the decimal point go? (a) 2.13 (b) 0.0213 (c) 21.3 (d) 0.213
4. 4.3.7 × 3.8 — where does the decimal point go? (a) 14.06 (b) 0.1406 (c) 1.406 (d) 140.6
5. 5.0.68 × 7 — where does the decimal point go? (a) 47.6 (b) 4.76 (c) 0.476 (d) 0.0476
6. 6.2.6 × 1.1 — where does the decimal point go? (a) 0.0286 (b) 28.6 (c) 2.86 (d) 0.286
7. 7.7.3 × 4 — where does the decimal point go? (a) 0.292 (b) 292 (c) 2.92 (d) 29.2
8. 8.0.61 × 33 — where does the decimal point go? (a) 20.13 (b) 0.2013 (c) 201.3 (d) 2.013
9. 9.0.51 × 0.3 — where does the decimal point go? (a) 0.00153 (b) 0.153 (c) 1.53 (d) 0.0153
10. 10.7.3 × 6 — where does the decimal point go? (a) 4.38 (b) 43.8 (c) 438 (d) 0.438
11. 11.8.2 × 0.2 — where does the decimal point go? (a) 16.4 (b) 0.0164 (c) 0.164 (d) 1.64
12. 12.0.23 × 0.8 — where does the decimal point go? (a) 0.0184 (b) 1.84 (c) 0.184 (d) 0.00184
13. 13.0.13 × 3.5 — where does the decimal point go? (a) 0.0455 (b) 0.455 (c) 0.00455 (d) 4.55
14. 14.7.8 × 1.8 — where does the decimal point go? (a) 0.1404 (b) 140.4 (c) 1.404 (d) 14.04
15. 15.4.6 × 1.1 — where does the decimal point go? (a) 0.0506 (b) 5.06 (c) 50.6 (d) 0.506
16. 16.2.2 × 2.7 — where does the decimal point go? (a) 0.0594 (b) 59.4 (c) 5.94 (d) 0.594
17. 17.0.99 × 4.4 — where does the decimal point go? (a) 0.4356 (b) 4.356 (c) 43.56 (d) 0.04356
18. 18.6.9 × 0.6 — where does the decimal point go? (a) 0.0414 (b) 0.414 (c) 4.14 (d) 41.4
19. 19.0.43 × 4 — where does the decimal point go? (a) 17.2 (b) 0.0172 (c) 1.72 (d) 0.172
20. 20.2.9 × 4.4 — where does the decimal point go? (a) 0.1276 (b) 12.76 (c) 127.6 (d) 1.276
21. 21.0.37 × 6 — where does the decimal point go? (a) 0.222 (b) 2.22 (c) 0.0222 (d) 22.2
22. 22.0.61 × 0.4 — where does the decimal point go? (a) 0.0244 (b) 2.44 (c) 0.244 (d) 0.00244
23. 23.8.4 × 4 — where does the decimal point go? (a) 3.36 (b) 336 (c) 33.6 (d) 0.336
24. 24.0.94 × 8 — where does the decimal point go? (a) 7.52 (b) 0.0752 (c) 75.2 (d) 0.752
25. 25.0.23 × 9 — where does the decimal point go? (a) 2.07 (b) 0.207 (c) 0.0207 (d) 20.7
26. 26.6.4 × 4 — where does the decimal point go? (a) 256 (b) 0.256 (c) 25.6 (d) 2.56
27. 27.5.3 × 6 — where does the decimal point go? (a) 318 (b) 0.318 (c) 3.18 (d) 31.8
28. 28.6.3 × 0.7 — where does the decimal point go? (a) 44.1 (b) 0.441 (c) 4.41 (d) 0.0441
29. 29.9.7 × 3 — where does the decimal point go? (a) 291 (b) 0.291 (c) 29.1 (d) 2.91
30. 30.0.28 × 0.2 — where does the decimal point go? (a) 0.00056 (b) 0.0056 (c) 0.56 (d) 0.056
31. 31.3.1 × 0.3 — where does the decimal point go? (a) 0.093 (b) 0.93 (c) 0.0093 (d) 9.3
32. 32.0.39 × 8 — where does the decimal point go? (a) 31.2 (b) 0.0312 (c) 0.312 (d) 3.12
33. 33.0.99 × 4.7 — where does the decimal point go? (a) 0.04653 (b) 0.4653 (c) 46.53 (d) 4.653
34. 34.8.2 × 4.8 — where does the decimal point go? (a) 3.936 (b) 0.3936 (c) 393.6 (d) 39.36
35. 35.9.9 × 2.9 — where does the decimal point go? (a) 287.1 (b) 2.871 (c) 0.2871 (d) 28.71
36. 36.9.3 × 7 — where does the decimal point go? (a) 6.51 (b) 65.1 (c) 0.651 (d) 651
37. 37.1.4 × 0.9 — where does the decimal point go? (a) 1.26 (b) 12.6 (c) 0.0126 (d) 0.126
38. 38.9.7 × 5 — where does the decimal point go? (a) 4.85 (b) 485 (c) 0.485 (d) 48.5
39. 39.1.7 × 42 — where does the decimal point go? (a) 7.14 (b) 714 (c) 0.714 (d) 71.4
40. 40.3.7 × 3 — where does the decimal point go? (a) 11.1 (b) 0.111 (c) 1.11 (d) 111

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