Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 447 · 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. 1.0.28 × 19 — where does the decimal point go? (a) 5.32 (b) 0.532 (c) 0.0532 (d) 53.2
2. 2.0.34 × 4.3 — where does the decimal point go? (a) 0.01462 (b) 0.1462 (c) 1.462 (d) 14.62
3. 3.5.8 × 2.1 — where does the decimal point go? (a) 1.218 (b) 121.8 (c) 12.18 (d) 0.1218
4. 4.8.9 × 0.8 — where does the decimal point go? (a) 7.12 (b) 71.2 (c) 0.712 (d) 0.0712
5. 5.0.28 × 8 — where does the decimal point go? (a) 0.224 (b) 0.0224 (c) 22.4 (d) 2.24
6. 6.0.96 × 0.9 — where does the decimal point go? (a) 0.00864 (b) 0.0864 (c) 0.864 (d) 8.64
7. 7.0.36 × 1.6 — where does the decimal point go? (a) 0.00576 (b) 0.0576 (c) 0.576 (d) 5.76
8. 8.0.85 × 21 — where does the decimal point go? (a) 17.85 (b) 1.785 (c) 0.1785 (d) 178.5
9. 9.8.3 × 4 — where does the decimal point go? (a) 33.2 (b) 3.32 (c) 332 (d) 0.332
10. 10.2.3 × 0.3 — where does the decimal point go? (a) 0.069 (b) 0.0069 (c) 6.9 (d) 0.69
11. 11.1.9 × 0.7 — where does the decimal point go? (a) 0.133 (b) 13.3 (c) 0.0133 (d) 1.33
12. 12.1.9 × 4.6 — where does the decimal point go? (a) 8.74 (b) 0.0874 (c) 87.4 (d) 0.874
13. 13.0.87 × 4 — where does the decimal point go? (a) 3.48 (b) 0.348 (c) 34.8 (d) 0.0348
14. 14.4.4 × 0.8 — where does the decimal point go? (a) 3.52 (b) 0.0352 (c) 35.2 (d) 0.352
15. 15.6.4 × 8 — where does the decimal point go? (a) 51.2 (b) 5.12 (c) 512 (d) 0.512
16. 16.1.8 × 2.9 — where does the decimal point go? (a) 0.522 (b) 0.0522 (c) 5.22 (d) 52.2
17. 17.0.91 × 0.9 — where does the decimal point go? (a) 0.00819 (b) 0.0819 (c) 0.819 (d) 8.19
18. 18.5.7 × 0.3 — where does the decimal point go? (a) 17.1 (b) 1.71 (c) 0.0171 (d) 0.171
19. 19.0.37 × 3 — where does the decimal point go? (a) 0.111 (b) 11.1 (c) 0.0111 (d) 1.11
20. 20.6.6 × 3.9 — where does the decimal point go? (a) 0.2574 (b) 2.574 (c) 257.4 (d) 25.74
21. 21.0.74 × 42 — where does the decimal point go? (a) 0.3108 (b) 310.8 (c) 3.108 (d) 31.08
22. 22.8.3 × 47 — where does the decimal point go? (a) 3.901 (b) 390.1 (c) 39.01 (d) 3901
23. 23.4.6 × 4 — where does the decimal point go? (a) 18.4 (b) 0.184 (c) 1.84 (d) 184
24. 24.6.7 × 3.4 — where does the decimal point go? (a) 0.2278 (b) 2.278 (c) 22.78 (d) 227.8
25. 25.6.8 × 4 — where does the decimal point go? (a) 27.2 (b) 0.272 (c) 2.72 (d) 272
26. 26.0.89 × 7 — where does the decimal point go? (a) 6.23 (b) 0.623 (c) 0.0623 (d) 62.3
27. 27.3.1 × 4.1 — where does the decimal point go? (a) 1.271 (b) 12.71 (c) 0.1271 (d) 127.1
28. 28.8.9 × 2 — where does the decimal point go? (a) 17.8 (b) 0.178 (c) 178 (d) 1.78
29. 29.3.2 × 4.1 — where does the decimal point go? (a) 0.1312 (b) 1.312 (c) 13.12 (d) 131.2
30. 30.0.51 × 9 — where does the decimal point go? (a) 4.59 (b) 0.459 (c) 0.0459 (d) 45.9
31. 31.5.5 × 0.3 — where does the decimal point go? (a) 16.5 (b) 1.65 (c) 0.0165 (d) 0.165
32. 32.1.3 × 7 — where does the decimal point go? (a) 9.1 (b) 91 (c) 0.91 (d) 0.091
33. 33.0.87 × 6 — where does the decimal point go? (a) 0.522 (b) 0.0522 (c) 52.2 (d) 5.22
34. 34.0.53 × 0.3 — where does the decimal point go? (a) 0.00159 (b) 0.0159 (c) 1.59 (d) 0.159
35. 35.0.59 × 7 — where does the decimal point go? (a) 0.0413 (b) 4.13 (c) 41.3 (d) 0.413
36. 36.0.92 × 4 — where does the decimal point go? (a) 0.0368 (b) 3.68 (c) 36.8 (d) 0.368
37. 37.0.24 × 7 — where does the decimal point go? (a) 1.68 (b) 16.8 (c) 0.168 (d) 0.0168
38. 38.0.24 × 9 — where does the decimal point go? (a) 2.16 (b) 21.6 (c) 0.216 (d) 0.0216
39. 39.0.65 × 9 — where does the decimal point go? (a) 0.0585 (b) 5.85 (c) 0.585 (d) 58.5
40. 40.1.3 × 4.5 — where does the decimal point go? (a) 5.85 (b) 0.0585 (c) 0.585 (d) 58.5

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