Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 684 · 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. 1.2.4 × 29 — where does the decimal point go? (a) 69.6 (b) 696 (c) 0.696 (d) 6.96
2. 2.0.43 × 26 — where does the decimal point go? (a) 0.1118 (b) 1.118 (c) 111.8 (d) 11.18
3. 3.4.7 × 23 — where does the decimal point go? (a) 1.081 (b) 1081 (c) 108.1 (d) 10.81
4. 4.0.94 × 0.4 — where does the decimal point go? (a) 0.376 (b) 0.0376 (c) 3.76 (d) 0.00376
5. 5.0.18 × 17 — where does the decimal point go? (a) 3.06 (b) 0.0306 (c) 30.6 (d) 0.306
6. 6.3.5 × 0.3 — where does the decimal point go? (a) 0.0105 (b) 0.105 (c) 1.05 (d) 10.5
7. 7.6.4 × 33 — where does the decimal point go? (a) 21.12 (b) 2.112 (c) 2112 (d) 211.2
8. 8.0.54 × 4 — where does the decimal point go? (a) 0.216 (b) 21.6 (c) 0.0216 (d) 2.16
9. 9.3.7 × 27 — where does the decimal point go? (a) 9.99 (b) 999 (c) 99.9 (d) 0.999
10. 10.0.69 × 0.7 — where does the decimal point go? (a) 0.00483 (b) 0.0483 (c) 4.83 (d) 0.483
11. 11.0.18 × 16 — where does the decimal point go? (a) 28.8 (b) 2.88 (c) 0.0288 (d) 0.288
12. 12.7.7 × 47 — where does the decimal point go? (a) 3619 (b) 3.619 (c) 36.19 (d) 361.9
13. 13.9.8 × 0.4 — where does the decimal point go? (a) 39.2 (b) 0.0392 (c) 0.392 (d) 3.92
14. 14.0.21 × 4.8 — where does the decimal point go? (a) 0.01008 (b) 0.1008 (c) 1.008 (d) 10.08
15. 15.0.78 × 0.7 — where does the decimal point go? (a) 0.00546 (b) 0.546 (c) 5.46 (d) 0.0546
16. 16.0.23 × 1.6 — where does the decimal point go? (a) 0.00368 (b) 3.68 (c) 0.0368 (d) 0.368
17. 17.0.42 × 4 — where does the decimal point go? (a) 1.68 (b) 16.8 (c) 0.168 (d) 0.0168
18. 18.4.9 × 25 — where does the decimal point go? (a) 12.25 (b) 1.225 (c) 122.5 (d) 1225
19. 19.2.7 × 11 — where does the decimal point go? (a) 2.97 (b) 29.7 (c) 297 (d) 0.297
20. 20.4.9 × 0.4 — where does the decimal point go? (a) 1.96 (b) 0.0196 (c) 19.6 (d) 0.196
21. 21.4.1 × 9 — where does the decimal point go? (a) 369 (b) 0.369 (c) 3.69 (d) 36.9
22. 22.4.4 × 1.6 — where does the decimal point go? (a) 7.04 (b) 0.0704 (c) 70.4 (d) 0.704
23. 23.9.1 × 0.7 — where does the decimal point go? (a) 6.37 (b) 63.7 (c) 0.637 (d) 0.0637
24. 24.2.9 × 45 — where does the decimal point go? (a) 13.05 (b) 130.5 (c) 1.305 (d) 1305
25. 25.9.5 × 43 — where does the decimal point go? (a) 4.085 (b) 408.5 (c) 4085 (d) 40.85
26. 26.5.1 × 5 — where does the decimal point go? (a) 25.5 (b) 0.255 (c) 255 (d) 2.55
27. 27.0.17 × 49 — where does the decimal point go? (a) 0.833 (b) 8.33 (c) 0.0833 (d) 83.3
28. 28.9.4 × 7 — where does the decimal point go? (a) 0.658 (b) 65.8 (c) 658 (d) 6.58
29. 29.2.9 × 3.2 — where does the decimal point go? (a) 0.928 (b) 92.8 (c) 0.0928 (d) 9.28
30. 30.7.1 × 1.5 — where does the decimal point go? (a) 0.1065 (b) 1.065 (c) 10.65 (d) 106.5
31. 31.1.2 × 3 — where does the decimal point go? (a) 0.36 (b) 3.6 (c) 0.036 (d) 36
32. 32.0.61 × 8 — where does the decimal point go? (a) 0.0488 (b) 0.488 (c) 48.8 (d) 4.88
33. 33.4.5 × 0.9 — where does the decimal point go? (a) 0.0405 (b) 0.405 (c) 40.5 (d) 4.05
34. 34.2.1 × 4 — where does the decimal point go? (a) 0.084 (b) 0.84 (c) 84 (d) 8.4
35. 35.1.3 × 0.2 — where does the decimal point go? (a) 0.0026 (b) 0.26 (c) 0.026 (d) 2.6
36. 36.0.29 × 0.6 — where does the decimal point go? (a) 0.174 (b) 0.0174 (c) 1.74 (d) 0.00174
37. 37.7.9 × 36 — where does the decimal point go? (a) 2.844 (b) 28.44 (c) 2844 (d) 284.4
38. 38.3.6 × 37 — where does the decimal point go? (a) 1332 (b) 133.2 (c) 13.32 (d) 1.332
39. 39.0.52 × 23 — where does the decimal point go? (a) 11.96 (b) 1.196 (c) 0.1196 (d) 119.6
40. 40.0.31 × 1.6 — where does the decimal point go? (a) 0.0496 (b) 4.96 (c) 0.00496 (d) 0.496

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