Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 229 · 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 × 9 — where does the decimal point go? (a) 2.61 (b) 261 (c) 26.1 (d) 0.261
2. 2.0.41 × 3 — where does the decimal point go? (a) 12.3 (b) 1.23 (c) 0.0123 (d) 0.123
3. 3.0.98 × 1.7 — where does the decimal point go? (a) 0.01666 (b) 16.66 (c) 1.666 (d) 0.1666
4. 4.0.82 × 2.2 — where does the decimal point go? (a) 1.804 (b) 18.04 (c) 0.01804 (d) 0.1804
5. 5.1.7 × 5 — where does the decimal point go? (a) 85 (b) 0.085 (c) 8.5 (d) 0.85
6. 6.6.4 × 27 — where does the decimal point go? (a) 1728 (b) 17.28 (c) 1.728 (d) 172.8
7. 7.0.91 × 48 — where does the decimal point go? (a) 0.4368 (b) 4.368 (c) 43.68 (d) 436.8
8. 8.5.9 × 18 — where does the decimal point go? (a) 1.062 (b) 10.62 (c) 1062 (d) 106.2
9. 9.0.91 × 9 — where does the decimal point go? (a) 8.19 (b) 0.819 (c) 81.9 (d) 0.0819
10. 10.6.3 × 0.8 — where does the decimal point go? (a) 0.0504 (b) 50.4 (c) 5.04 (d) 0.504
11. 11.7.3 × 0.7 — where does the decimal point go? (a) 0.511 (b) 5.11 (c) 0.0511 (d) 51.1
12. 12.0.64 × 0.7 — where does the decimal point go? (a) 0.448 (b) 0.00448 (c) 0.0448 (d) 4.48
13. 13.2.2 × 1.6 — where does the decimal point go? (a) 3.52 (b) 0.0352 (c) 35.2 (d) 0.352
14. 14.0.56 × 29 — where does the decimal point go? (a) 1.624 (b) 16.24 (c) 162.4 (d) 0.1624
15. 15.0.51 × 0.6 — where does the decimal point go? (a) 0.0306 (b) 0.306 (c) 0.00306 (d) 3.06
16. 16.6.3 × 2.8 — where does the decimal point go? (a) 1.764 (b) 17.64 (c) 176.4 (d) 0.1764
17. 17.3.3 × 0.6 — where does the decimal point go? (a) 0.198 (b) 19.8 (c) 1.98 (d) 0.0198
18. 18.0.88 × 4.2 — where does the decimal point go? (a) 0.3696 (b) 0.03696 (c) 3.696 (d) 36.96
19. 19.2.3 × 22 — where does the decimal point go? (a) 50.6 (b) 0.506 (c) 506 (d) 5.06
20. 20.1.8 × 23 — where does the decimal point go? (a) 41.4 (b) 0.414 (c) 4.14 (d) 414
21. 21.0.28 × 47 — where does the decimal point go? (a) 1.316 (b) 131.6 (c) 0.1316 (d) 13.16
22. 22.1.6 × 2 — where does the decimal point go? (a) 0.032 (b) 3.2 (c) 0.32 (d) 32
23. 23.9.9 × 1.4 — where does the decimal point go? (a) 1.386 (b) 0.1386 (c) 13.86 (d) 138.6
24. 24.6.3 × 9 — where does the decimal point go? (a) 56.7 (b) 567 (c) 5.67 (d) 0.567
25. 25.7.7 × 1.7 — where does the decimal point go? (a) 0.1309 (b) 130.9 (c) 1.309 (d) 13.09
26. 26.4.4 × 48 — where does the decimal point go? (a) 2112 (b) 21.12 (c) 211.2 (d) 2.112
27. 27.8.4 × 0.7 — where does the decimal point go? (a) 5.88 (b) 0.588 (c) 0.0588 (d) 58.8
28. 28.9.1 × 7 — where does the decimal point go? (a) 0.637 (b) 63.7 (c) 637 (d) 6.37
29. 29.6.5 × 7 — where does the decimal point go? (a) 45.5 (b) 4.55 (c) 455 (d) 0.455
30. 30.0.56 × 2 — where does the decimal point go? (a) 0.112 (b) 11.2 (c) 0.0112 (d) 1.12
31. 31.4.1 × 0.8 — where does the decimal point go? (a) 32.8 (b) 3.28 (c) 0.0328 (d) 0.328
32. 32.0.76 × 4 — where does the decimal point go? (a) 0.0304 (b) 0.304 (c) 3.04 (d) 30.4
33. 33.0.12 × 3.8 — where does the decimal point go? (a) 4.56 (b) 0.456 (c) 0.00456 (d) 0.0456
34. 34.8.9 × 4.6 — where does the decimal point go? (a) 0.4094 (b) 409.4 (c) 40.94 (d) 4.094
35. 35.0.88 × 2 — where does the decimal point go? (a) 1.76 (b) 0.0176 (c) 0.176 (d) 17.6
36. 36.0.39 × 8 — where does the decimal point go? (a) 3.12 (b) 0.312 (c) 31.2 (d) 0.0312
37. 37.0.72 × 2.2 — where does the decimal point go? (a) 0.1584 (b) 1.584 (c) 0.01584 (d) 15.84
38. 38.0.29 × 0.3 — where does the decimal point go? (a) 0.0087 (b) 0.00087 (c) 0.087 (d) 0.87
39. 39.0.71 × 5 — where does the decimal point go? (a) 35.5 (b) 3.55 (c) 0.355 (d) 0.0355
40. 40.0.12 × 2 — where does the decimal point go? (a) 0.024 (b) 0.0024 (c) 0.24 (d) 2.4

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