Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 553 · 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. 1.8.9 × 28 — where does the decimal point go? (a) 2.492 (b) 2492 (c) 24.92 (d) 249.2
2. 2.8.7 × 3 — where does the decimal point go? (a) 0.261 (b) 26.1 (c) 261 (d) 2.61
3. 3.0.93 × 3.3 — where does the decimal point go? (a) 0.3069 (b) 0.03069 (c) 3.069 (d) 30.69
4. 4.1.2 × 6 — where does the decimal point go? (a) 0.072 (b) 72 (c) 0.72 (d) 7.2
5. 5.2.6 × 0.4 — where does the decimal point go? (a) 0.104 (b) 10.4 (c) 0.0104 (d) 1.04
6. 6.8.7 × 0.2 — where does the decimal point go? (a) 0.174 (b) 17.4 (c) 0.0174 (d) 1.74
7. 7.0.78 × 4 — where does the decimal point go? (a) 3.12 (b) 31.2 (c) 0.0312 (d) 0.312
8. 8.0.51 × 2.5 — where does the decimal point go? (a) 0.1275 (b) 0.01275 (c) 1.275 (d) 12.75
9. 9.0.48 × 4.7 — where does the decimal point go? (a) 2.256 (b) 0.02256 (c) 22.56 (d) 0.2256
10. 10.0.51 × 2.1 — where does the decimal point go? (a) 10.71 (b) 0.01071 (c) 1.071 (d) 0.1071
11. 11.7.9 × 16 — where does the decimal point go? (a) 1264 (b) 126.4 (c) 1.264 (d) 12.64
12. 12.2.7 × 27 — where does the decimal point go? (a) 0.729 (b) 72.9 (c) 7.29 (d) 729
13. 13.0.32 × 9 — where does the decimal point go? (a) 0.0288 (b) 28.8 (c) 0.288 (d) 2.88
14. 14.4.9 × 23 — where does the decimal point go? (a) 11.27 (b) 1.127 (c) 1127 (d) 112.7
15. 15.2.2 × 0.6 — where does the decimal point go? (a) 1.32 (b) 0.0132 (c) 13.2 (d) 0.132
16. 16.6.3 × 0.8 — where does the decimal point go? (a) 50.4 (b) 5.04 (c) 0.0504 (d) 0.504
17. 17.4.2 × 8 — where does the decimal point go? (a) 3.36 (b) 0.336 (c) 336 (d) 33.6
18. 18.0.86 × 2.2 — where does the decimal point go? (a) 18.92 (b) 0.01892 (c) 1.892 (d) 0.1892
19. 19.4.4 × 4.1 — where does the decimal point go? (a) 0.1804 (b) 1.804 (c) 180.4 (d) 18.04
20. 20.7.9 × 3.3 — where does the decimal point go? (a) 2.607 (b) 0.2607 (c) 26.07 (d) 260.7
21. 21.0.88 × 0.7 — where does the decimal point go? (a) 6.16 (b) 0.00616 (c) 0.0616 (d) 0.616
22. 22.0.68 × 41 — where does the decimal point go? (a) 2.788 (b) 27.88 (c) 0.2788 (d) 278.8
23. 23.2.3 × 1.2 — where does the decimal point go? (a) 27.6 (b) 0.276 (c) 2.76 (d) 0.0276
24. 24.6.8 × 7 — where does the decimal point go? (a) 476 (b) 0.476 (c) 4.76 (d) 47.6
25. 25.0.82 × 4 — where does the decimal point go? (a) 0.328 (b) 3.28 (c) 0.0328 (d) 32.8
26. 26.0.69 × 3 — where does the decimal point go? (a) 0.207 (b) 20.7 (c) 0.0207 (d) 2.07
27. 27.0.62 × 0.2 — where does the decimal point go? (a) 0.124 (b) 0.0124 (c) 0.00124 (d) 1.24
28. 28.0.94 × 12 — where does the decimal point go? (a) 0.1128 (b) 112.8 (c) 1.128 (d) 11.28
29. 29.0.56 × 0.4 — where does the decimal point go? (a) 0.224 (b) 2.24 (c) 0.00224 (d) 0.0224
30. 30.6.1 × 7 — where does the decimal point go? (a) 0.427 (b) 4.27 (c) 42.7 (d) 427
31. 31.0.82 × 2.3 — where does the decimal point go? (a) 0.1886 (b) 18.86 (c) 1.886 (d) 0.01886
32. 32.0.47 × 9 — where does the decimal point go? (a) 0.423 (b) 0.0423 (c) 4.23 (d) 42.3
33. 33.0.12 × 1.2 — where does the decimal point go? (a) 0.00144 (b) 1.44 (c) 0.144 (d) 0.0144
34. 34.9.2 × 0.3 — where does the decimal point go? (a) 0.0276 (b) 0.276 (c) 2.76 (d) 27.6
35. 35.3.5 × 4.3 — where does the decimal point go? (a) 15.05 (b) 1.505 (c) 0.1505 (d) 150.5
36. 36.0.71 × 0.5 — where does the decimal point go? (a) 3.55 (b) 0.00355 (c) 0.0355 (d) 0.355
37. 37.2.9 × 13 — where does the decimal point go? (a) 3.77 (b) 377 (c) 0.377 (d) 37.7
38. 38.0.84 × 16 — where does the decimal point go? (a) 1.344 (b) 13.44 (c) 0.1344 (d) 134.4
39. 39.0.68 × 0.6 — where does the decimal point go? (a) 4.08 (b) 0.408 (c) 0.0408 (d) 0.00408
40. 40.6.5 × 39 — where does the decimal point go? (a) 253.5 (b) 2535 (c) 2.535 (d) 25.35

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