Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 317 · 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. 1.9.5 × 0.7 — where does the decimal point go? (a) 0.665 (b) 66.5 (c) 0.0665 (d) 6.65
2. 2.8.4 × 6 — where does the decimal point go? (a) 0.504 (b) 5.04 (c) 504 (d) 50.4
3. 3.9.6 × 4 — where does the decimal point go? (a) 38.4 (b) 3.84 (c) 384 (d) 0.384
4. 4.8.6 × 2 — where does the decimal point go? (a) 17.2 (b) 172 (c) 0.172 (d) 1.72
5. 5.2.9 × 2 — where does the decimal point go? (a) 5.8 (b) 58 (c) 0.058 (d) 0.58
6. 6.5.1 × 45 — where does the decimal point go? (a) 22.95 (b) 229.5 (c) 2295 (d) 2.295
7. 7.9.5 × 37 — where does the decimal point go? (a) 351.5 (b) 3.515 (c) 3515 (d) 35.15
8. 8.6.3 × 6 — where does the decimal point go? (a) 3.78 (b) 0.378 (c) 378 (d) 37.8
9. 9.0.67 × 38 — where does the decimal point go? (a) 2.546 (b) 25.46 (c) 0.2546 (d) 254.6
10. 10.1.8 × 0.6 — where does the decimal point go? (a) 0.0108 (b) 10.8 (c) 1.08 (d) 0.108
11. 11.6.4 × 22 — where does the decimal point go? (a) 140.8 (b) 1408 (c) 1.408 (d) 14.08
12. 12.0.37 × 0.4 — where does the decimal point go? (a) 0.148 (b) 0.0148 (c) 0.00148 (d) 1.48
13. 13.0.59 × 0.9 — where does the decimal point go? (a) 0.0531 (b) 0.531 (c) 0.00531 (d) 5.31
14. 14.0.42 × 0.7 — where does the decimal point go? (a) 2.94 (b) 0.294 (c) 0.0294 (d) 0.00294
15. 15.9.7 × 16 — where does the decimal point go? (a) 1.552 (b) 1552 (c) 155.2 (d) 15.52
16. 16.6.5 × 2.3 — where does the decimal point go? (a) 0.1495 (b) 14.95 (c) 1.495 (d) 149.5
17. 17.9.8 × 48 — where does the decimal point go? (a) 4704 (b) 47.04 (c) 4.704 (d) 470.4
18. 18.2.4 × 1.3 — where does the decimal point go? (a) 0.0312 (b) 0.312 (c) 3.12 (d) 31.2
19. 19.8.9 × 2.7 — where does the decimal point go? (a) 2.403 (b) 24.03 (c) 240.3 (d) 0.2403
20. 20.2.6 × 28 — where does the decimal point go? (a) 0.728 (b) 728 (c) 7.28 (d) 72.8
21. 21.0.52 × 7 — where does the decimal point go? (a) 3.64 (b) 36.4 (c) 0.0364 (d) 0.364
22. 22.0.35 × 3.9 — where does the decimal point go? (a) 0.1365 (b) 1.365 (c) 0.01365 (d) 13.65
23. 23.0.49 × 43 — where does the decimal point go? (a) 2.107 (b) 210.7 (c) 0.2107 (d) 21.07
24. 24.0.52 × 43 — where does the decimal point go? (a) 223.6 (b) 0.2236 (c) 2.236 (d) 22.36
25. 25.3.9 × 4.4 — where does the decimal point go? (a) 171.6 (b) 0.1716 (c) 17.16 (d) 1.716
26. 26.0.23 × 9 — where does the decimal point go? (a) 20.7 (b) 2.07 (c) 0.0207 (d) 0.207
27. 27.6.2 × 17 — where does the decimal point go? (a) 1054 (b) 1.054 (c) 105.4 (d) 10.54
28. 28.5.8 × 33 — where does the decimal point go? (a) 19.14 (b) 1.914 (c) 191.4 (d) 1914
29. 29.7.3 × 11 — where does the decimal point go? (a) 8.03 (b) 803 (c) 0.803 (d) 80.3
30. 30.0.25 × 4.3 — where does the decimal point go? (a) 1.075 (b) 0.01075 (c) 0.1075 (d) 10.75
31. 31.0.85 × 4.9 — where does the decimal point go? (a) 4.165 (b) 0.4165 (c) 0.04165 (d) 41.65
32. 32.6.3 × 9 — where does the decimal point go? (a) 5.67 (b) 0.567 (c) 567 (d) 56.7
33. 33.2.3 × 4 — where does the decimal point go? (a) 0.92 (b) 0.092 (c) 92 (d) 9.2
34. 34.0.28 × 0.7 — where does the decimal point go? (a) 0.0196 (b) 0.196 (c) 1.96 (d) 0.00196
35. 35.0.66 × 0.6 — where does the decimal point go? (a) 0.0396 (b) 3.96 (c) 0.00396 (d) 0.396
36. 36.3.7 × 3.3 — where does the decimal point go? (a) 1.221 (b) 12.21 (c) 0.1221 (d) 122.1
37. 37.6.5 × 43 — where does the decimal point go? (a) 2.795 (b) 27.95 (c) 2795 (d) 279.5
38. 38.6.8 × 7 — where does the decimal point go? (a) 0.476 (b) 476 (c) 47.6 (d) 4.76
39. 39.6.1 × 22 — where does the decimal point go? (a) 13.42 (b) 1342 (c) 134.2 (d) 1.342
40. 40.0.63 × 39 — where does the decimal point go? (a) 2.457 (b) 245.7 (c) 24.57 (d) 0.2457

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