Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 499 · 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. 1.8.7 × 1.7 — where does the decimal point go? (a) 14.79 (b) 1.479 (c) 147.9 (d) 0.1479
2. 2.9.8 × 0.3 — where does the decimal point go? (a) 0.294 (b) 29.4 (c) 0.0294 (d) 2.94
3. 3.2.3 × 0.9 — where does the decimal point go? (a) 2.07 (b) 0.207 (c) 20.7 (d) 0.0207
4. 4.2.8 × 1.1 — where does the decimal point go? (a) 0.308 (b) 30.8 (c) 3.08 (d) 0.0308
5. 5.0.99 × 7 — where does the decimal point go? (a) 0.693 (b) 0.0693 (c) 6.93 (d) 69.3
6. 6.0.82 × 2 — where does the decimal point go? (a) 16.4 (b) 0.0164 (c) 1.64 (d) 0.164
7. 7.0.41 × 14 — where does the decimal point go? (a) 0.574 (b) 0.0574 (c) 57.4 (d) 5.74
8. 8.8.8 × 16 — where does the decimal point go? (a) 140.8 (b) 1.408 (c) 14.08 (d) 1408
9. 9.0.21 × 0.8 — where does the decimal point go? (a) 0.168 (b) 0.00168 (c) 0.0168 (d) 1.68
10. 10.0.61 × 19 — where does the decimal point go? (a) 1.159 (b) 115.9 (c) 11.59 (d) 0.1159
11. 11.9.8 × 12 — where does the decimal point go? (a) 117.6 (b) 1.176 (c) 11.76 (d) 1176
12. 12.3.3 × 1.5 — where does the decimal point go? (a) 0.495 (b) 49.5 (c) 0.0495 (d) 4.95
13. 13.0.31 × 0.5 — where does the decimal point go? (a) 0.0155 (b) 1.55 (c) 0.155 (d) 0.00155
14. 14.0.56 × 33 — where does the decimal point go? (a) 1.848 (b) 18.48 (c) 0.1848 (d) 184.8
15. 15.5.7 × 15 — where does the decimal point go? (a) 0.855 (b) 8.55 (c) 855 (d) 85.5
16. 16.0.17 × 5 — where does the decimal point go? (a) 0.85 (b) 0.085 (c) 8.5 (d) 0.0085
17. 17.0.56 × 47 — where does the decimal point go? (a) 26.32 (b) 2.632 (c) 0.2632 (d) 263.2
18. 18.0.33 × 0.7 — where does the decimal point go? (a) 0.231 (b) 0.0231 (c) 2.31 (d) 0.00231
19. 19.0.17 × 45 — where does the decimal point go? (a) 0.765 (b) 7.65 (c) 76.5 (d) 0.0765
20. 20.9.2 × 4 — where does the decimal point go? (a) 36.8 (b) 368 (c) 3.68 (d) 0.368
21. 21.0.15 × 7 — where does the decimal point go? (a) 10.5 (b) 0.0105 (c) 0.105 (d) 1.05
22. 22.6.9 × 0.9 — where does the decimal point go? (a) 0.0621 (b) 0.621 (c) 6.21 (d) 62.1
23. 23.0.18 × 0.7 — where does the decimal point go? (a) 0.126 (b) 0.00126 (c) 0.0126 (d) 1.26
24. 24.5.3 × 9 — where does the decimal point go? (a) 4.77 (b) 0.477 (c) 47.7 (d) 477
25. 25.9.7 × 0.6 — where does the decimal point go? (a) 58.2 (b) 5.82 (c) 0.0582 (d) 0.582
26. 26.3.3 × 0.4 — where does the decimal point go? (a) 1.32 (b) 13.2 (c) 0.132 (d) 0.0132
27. 27.0.29 × 2.5 — where does the decimal point go? (a) 0.725 (b) 7.25 (c) 0.00725 (d) 0.0725
28. 28.3.4 × 2.6 — where does the decimal point go? (a) 8.84 (b) 0.0884 (c) 0.884 (d) 88.4
29. 29.0.37 × 3.4 — where does the decimal point go? (a) 1.258 (b) 0.1258 (c) 12.58 (d) 0.01258
30. 30.7.8 × 0.2 — where does the decimal point go? (a) 1.56 (b) 0.156 (c) 15.6 (d) 0.0156
31. 31.0.57 × 41 — where does the decimal point go? (a) 23.37 (b) 233.7 (c) 0.2337 (d) 2.337
32. 32.3.2 × 8 — where does the decimal point go? (a) 25.6 (b) 0.256 (c) 256 (d) 2.56
33. 33.1.5 × 29 — where does the decimal point go? (a) 0.435 (b) 4.35 (c) 43.5 (d) 435
34. 34.0.13 × 0.5 — where does the decimal point go? (a) 0.065 (b) 0.0065 (c) 0.65 (d) 0.00065
35. 35.0.26 × 4 — where does the decimal point go? (a) 0.104 (b) 1.04 (c) 0.0104 (d) 10.4
36. 36.0.61 × 0.6 — where does the decimal point go? (a) 0.00366 (b) 0.0366 (c) 3.66 (d) 0.366
37. 37.0.41 × 4 — where does the decimal point go? (a) 0.164 (b) 16.4 (c) 1.64 (d) 0.0164
38. 38.7.9 × 1.8 — where does the decimal point go? (a) 142.2 (b) 14.22 (c) 1.422 (d) 0.1422
39. 39.8.6 × 27 — where does the decimal point go? (a) 23.22 (b) 2.322 (c) 2322 (d) 232.2
40. 40.6.3 × 8 — where does the decimal point go? (a) 504 (b) 0.504 (c) 50.4 (d) 5.04

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