Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 644 · 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. 1.0.46 × 0.7 — where does the decimal point go? (a) 0.00322 (b) 3.22 (c) 0.322 (d) 0.0322
2. 2.0.19 × 0.9 — where does the decimal point go? (a) 0.00171 (b) 0.171 (c) 0.0171 (d) 1.71
3. 3.1.3 × 1.7 — where does the decimal point go? (a) 22.1 (b) 0.221 (c) 0.0221 (d) 2.21
4. 4.0.81 × 3.5 — where does the decimal point go? (a) 2.835 (b) 0.02835 (c) 0.2835 (d) 28.35
5. 5.5.7 × 3.9 — where does the decimal point go? (a) 22.23 (b) 2.223 (c) 222.3 (d) 0.2223
6. 6.0.17 × 0.9 — where does the decimal point go? (a) 1.53 (b) 0.00153 (c) 0.153 (d) 0.0153
7. 7.9.3 × 0.8 — where does the decimal point go? (a) 74.4 (b) 7.44 (c) 0.0744 (d) 0.744
8. 8.3.8 × 0.8 — where does the decimal point go? (a) 3.04 (b) 0.304 (c) 0.0304 (d) 30.4
9. 9.9.6 × 2 — where does the decimal point go? (a) 0.192 (b) 19.2 (c) 1.92 (d) 192
10. 10.0.66 × 9 — where does the decimal point go? (a) 0.594 (b) 0.0594 (c) 5.94 (d) 59.4
11. 11.8.9 × 1.7 — where does the decimal point go? (a) 151.3 (b) 1.513 (c) 0.1513 (d) 15.13
12. 12.0.83 × 0.3 — where does the decimal point go? (a) 0.00249 (b) 0.249 (c) 2.49 (d) 0.0249
13. 13.8.8 × 31 — where does the decimal point go? (a) 272.8 (b) 2728 (c) 27.28 (d) 2.728
14. 14.0.62 × 6 — where does the decimal point go? (a) 37.2 (b) 0.372 (c) 3.72 (d) 0.0372
15. 15.0.51 × 9 — where does the decimal point go? (a) 45.9 (b) 0.0459 (c) 4.59 (d) 0.459
16. 16.8.8 × 0.8 — where does the decimal point go? (a) 0.704 (b) 70.4 (c) 0.0704 (d) 7.04
17. 17.0.24 × 0.4 — where does the decimal point go? (a) 0.00096 (b) 0.096 (c) 0.0096 (d) 0.96
18. 18.5.3 × 1.6 — where does the decimal point go? (a) 8.48 (b) 0.0848 (c) 0.848 (d) 84.8
19. 19.5.1 × 27 — where does the decimal point go? (a) 137.7 (b) 13.77 (c) 1.377 (d) 1377
20. 20.2.8 × 2.1 — where does the decimal point go? (a) 5.88 (b) 0.0588 (c) 0.588 (d) 58.8
21. 21.0.33 × 6 — where does the decimal point go? (a) 0.198 (b) 0.0198 (c) 19.8 (d) 1.98
22. 22.0.99 × 0.3 — where does the decimal point go? (a) 0.297 (b) 0.0297 (c) 0.00297 (d) 2.97
23. 23.0.27 × 35 — where does the decimal point go? (a) 0.945 (b) 94.5 (c) 9.45 (d) 0.0945
24. 24.0.53 × 0.3 — where does the decimal point go? (a) 1.59 (b) 0.0159 (c) 0.159 (d) 0.00159
25. 25.6.4 × 24 — where does the decimal point go? (a) 15.36 (b) 153.6 (c) 1.536 (d) 1536
26. 26.0.81 × 4.8 — where does the decimal point go? (a) 0.3888 (b) 38.88 (c) 3.888 (d) 0.03888
27. 27.0.56 × 0.3 — where does the decimal point go? (a) 0.0168 (b) 1.68 (c) 0.00168 (d) 0.168
28. 28.0.53 × 0.9 — where does the decimal point go? (a) 0.00477 (b) 4.77 (c) 0.0477 (d) 0.477
29. 29.7.3 × 47 — where does the decimal point go? (a) 34.31 (b) 3.431 (c) 3431 (d) 343.1
30. 30.0.44 × 47 — where does the decimal point go? (a) 2.068 (b) 206.8 (c) 20.68 (d) 0.2068
31. 31.6.3 × 2.9 — where does the decimal point go? (a) 1.827 (b) 18.27 (c) 182.7 (d) 0.1827
32. 32.6.5 × 0.9 — where does the decimal point go? (a) 0.0585 (b) 0.585 (c) 58.5 (d) 5.85
33. 33.0.87 × 25 — where does the decimal point go? (a) 0.2175 (b) 21.75 (c) 217.5 (d) 2.175
34. 34.0.84 × 6 — where does the decimal point go? (a) 0.0504 (b) 0.504 (c) 5.04 (d) 50.4
35. 35.0.64 × 0.3 — where does the decimal point go? (a) 1.92 (b) 0.00192 (c) 0.0192 (d) 0.192
36. 36.0.43 × 11 — where does the decimal point go? (a) 47.3 (b) 0.473 (c) 4.73 (d) 0.0473
37. 37.0.82 × 0.6 — where does the decimal point go? (a) 0.492 (b) 0.00492 (c) 0.0492 (d) 4.92
38. 38.6.5 × 0.7 — where does the decimal point go? (a) 0.0455 (b) 0.455 (c) 45.5 (d) 4.55
39. 39.0.33 × 1.2 — where does the decimal point go? (a) 3.96 (b) 0.00396 (c) 0.0396 (d) 0.396
40. 40.7.4 × 27 — where does the decimal point go? (a) 199.8 (b) 19.98 (c) 1998 (d) 1.998

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