Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 694 · 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. 1.0.21 × 1.3 — where does the decimal point go? (a) 2.73 (b) 0.00273 (c) 0.273 (d) 0.0273
2. 2.7.1 × 4.4 — where does the decimal point go? (a) 312.4 (b) 31.24 (c) 0.3124 (d) 3.124
3. 3.5.4 × 3.3 — where does the decimal point go? (a) 17.82 (b) 0.1782 (c) 178.2 (d) 1.782
4. 4.0.92 × 0.3 — where does the decimal point go? (a) 0.00276 (b) 0.0276 (c) 0.276 (d) 2.76
5. 5.0.49 × 0.6 — where does the decimal point go? (a) 0.0294 (b) 0.00294 (c) 2.94 (d) 0.294
6. 6.7.4 × 44 — where does the decimal point go? (a) 3.256 (b) 325.6 (c) 32.56 (d) 3256
7. 7.6.6 × 8 — where does the decimal point go? (a) 52.8 (b) 528 (c) 0.528 (d) 5.28
8. 8.1.3 × 4.8 — where does the decimal point go? (a) 62.4 (b) 0.624 (c) 6.24 (d) 0.0624
9. 9.7.5 × 0.3 — where does the decimal point go? (a) 2.25 (b) 22.5 (c) 0.225 (d) 0.0225
10. 10.0.81 × 21 — where does the decimal point go? (a) 0.1701 (b) 1.701 (c) 17.01 (d) 170.1
11. 11.2.2 × 2 — where does the decimal point go? (a) 0.044 (b) 0.44 (c) 44 (d) 4.4
12. 12.0.21 × 13 — where does the decimal point go? (a) 0.0273 (b) 27.3 (c) 0.273 (d) 2.73
13. 13.0.73 × 6 — where does the decimal point go? (a) 0.0438 (b) 0.438 (c) 43.8 (d) 4.38
14. 14.8.1 × 0.5 — where does the decimal point go? (a) 4.05 (b) 0.405 (c) 0.0405 (d) 40.5
15. 15.0.34 × 0.4 — where does the decimal point go? (a) 0.0136 (b) 1.36 (c) 0.00136 (d) 0.136
16. 16.0.41 × 4 — where does the decimal point go? (a) 0.164 (b) 1.64 (c) 16.4 (d) 0.0164
17. 17.0.74 × 12 — where does the decimal point go? (a) 0.888 (b) 88.8 (c) 0.0888 (d) 8.88
18. 18.0.24 × 3.9 — where does the decimal point go? (a) 0.0936 (b) 0.936 (c) 9.36 (d) 0.00936
19. 19.0.52 × 22 — where does the decimal point go? (a) 1.144 (b) 0.1144 (c) 11.44 (d) 114.4
20. 20.0.12 × 2 — where does the decimal point go? (a) 0.024 (b) 2.4 (c) 0.0024 (d) 0.24
21. 21.4.1 × 2 — where does the decimal point go? (a) 8.2 (b) 0.082 (c) 0.82 (d) 82
22. 22.0.27 × 0.5 — where does the decimal point go? (a) 0.00135 (b) 0.0135 (c) 0.135 (d) 1.35
23. 23.0.38 × 6 — where does the decimal point go? (a) 2.28 (b) 0.228 (c) 22.8 (d) 0.0228
24. 24.0.98 × 0.3 — where does the decimal point go? (a) 0.294 (b) 0.0294 (c) 0.00294 (d) 2.94
25. 25.8.7 × 0.9 — where does the decimal point go? (a) 78.3 (b) 0.0783 (c) 0.783 (d) 7.83
26. 26.8.2 × 4.4 — where does the decimal point go? (a) 0.3608 (b) 360.8 (c) 36.08 (d) 3.608
27. 27.0.21 × 9 — where does the decimal point go? (a) 1.89 (b) 0.0189 (c) 0.189 (d) 18.9
28. 28.0.72 × 2 — where does the decimal point go? (a) 1.44 (b) 0.144 (c) 14.4 (d) 0.0144
29. 29.7.8 × 6 — where does the decimal point go? (a) 468 (b) 46.8 (c) 0.468 (d) 4.68
30. 30.7.8 × 8 — where does the decimal point go? (a) 62.4 (b) 0.624 (c) 624 (d) 6.24
31. 31.0.71 × 7 — where does the decimal point go? (a) 49.7 (b) 0.0497 (c) 4.97 (d) 0.497
32. 32.0.96 × 32 — where does the decimal point go? (a) 30.72 (b) 0.3072 (c) 3.072 (d) 307.2
33. 33.0.62 × 0.6 — where does the decimal point go? (a) 0.00372 (b) 0.372 (c) 3.72 (d) 0.0372
34. 34.0.39 × 0.4 — where does the decimal point go? (a) 0.156 (b) 0.0156 (c) 1.56 (d) 0.00156
35. 35.0.71 × 3 — where does the decimal point go? (a) 2.13 (b) 21.3 (c) 0.213 (d) 0.0213
36. 36.2.9 × 2.6 — where does the decimal point go? (a) 7.54 (b) 0.754 (c) 0.0754 (d) 75.4
37. 37.7.2 × 0.6 — where does the decimal point go? (a) 0.432 (b) 0.0432 (c) 4.32 (d) 43.2
38. 38.8.4 × 33 — where does the decimal point go? (a) 277.2 (b) 27.72 (c) 2772 (d) 2.772
39. 39.4.3 × 6 — where does the decimal point go? (a) 0.258 (b) 258 (c) 2.58 (d) 25.8
40. 40.3.6 × 0.7 — where does the decimal point go? (a) 0.252 (b) 0.0252 (c) 2.52 (d) 25.2

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks