Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 889 · 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. 1.1.9 × 23 — where does the decimal point go? (a) 437 (b) 43.7 (c) 4.37 (d) 0.437
2. 2.3.5 × 0.5 — where does the decimal point go? (a) 17.5 (b) 1.75 (c) 0.0175 (d) 0.175
3. 3.3.4 × 0.2 — where does the decimal point go? (a) 0.068 (b) 0.68 (c) 0.0068 (d) 6.8
4. 4.7.8 × 29 — where does the decimal point go? (a) 22.62 (b) 226.2 (c) 2.262 (d) 2262
5. 5.0.18 × 16 — where does the decimal point go? (a) 28.8 (b) 2.88 (c) 0.0288 (d) 0.288
6. 6.3.2 × 3.1 — where does the decimal point go? (a) 0.992 (b) 9.92 (c) 99.2 (d) 0.0992
7. 7.0.64 × 4 — where does the decimal point go? (a) 25.6 (b) 2.56 (c) 0.0256 (d) 0.256
8. 8.2.5 × 2.5 — where does the decimal point go? (a) 6.25 (b) 0.625 (c) 0.0625 (d) 62.5
9. 9.0.71 × 33 — where does the decimal point go? (a) 0.2343 (b) 2.343 (c) 234.3 (d) 23.43
10. 10.0.83 × 4.2 — where does the decimal point go? (a) 3.486 (b) 0.3486 (c) 0.03486 (d) 34.86
11. 11.0.92 × 19 — where does the decimal point go? (a) 174.8 (b) 1.748 (c) 0.1748 (d) 17.48
12. 12.1.2 × 8 — where does the decimal point go? (a) 0.096 (b) 96 (c) 9.6 (d) 0.96
13. 13.0.21 × 4.8 — where does the decimal point go? (a) 0.01008 (b) 0.1008 (c) 1.008 (d) 10.08
14. 14.0.73 × 14 — where does the decimal point go? (a) 0.1022 (b) 102.2 (c) 1.022 (d) 10.22
15. 15.2.1 × 5 — where does the decimal point go? (a) 105 (b) 1.05 (c) 0.105 (d) 10.5
16. 16.4.2 × 0.3 — where does the decimal point go? (a) 1.26 (b) 0.0126 (c) 0.126 (d) 12.6
17. 17.5.3 × 2.4 — where does the decimal point go? (a) 1.272 (b) 127.2 (c) 0.1272 (d) 12.72
18. 18.0.12 × 22 — where does the decimal point go? (a) 0.0264 (b) 2.64 (c) 0.264 (d) 26.4
19. 19.2.4 × 32 — where does the decimal point go? (a) 76.8 (b) 0.768 (c) 7.68 (d) 768
20. 20.3.3 × 1.1 — where does the decimal point go? (a) 0.363 (b) 0.0363 (c) 36.3 (d) 3.63
21. 21.0.41 × 3.4 — where does the decimal point go? (a) 0.01394 (b) 13.94 (c) 0.1394 (d) 1.394
22. 22.7.9 × 9 — where does the decimal point go? (a) 7.11 (b) 71.1 (c) 711 (d) 0.711
23. 23.6.4 × 0.9 — where does the decimal point go? (a) 0.576 (b) 0.0576 (c) 5.76 (d) 57.6
24. 24.5.1 × 45 — where does the decimal point go? (a) 22.95 (b) 2295 (c) 2.295 (d) 229.5
25. 25.0.16 × 47 — where does the decimal point go? (a) 75.2 (b) 7.52 (c) 0.0752 (d) 0.752
26. 26.9.7 × 0.9 — where does the decimal point go? (a) 8.73 (b) 0.0873 (c) 87.3 (d) 0.873
27. 27.0.83 × 8 — where does the decimal point go? (a) 66.4 (b) 0.0664 (c) 0.664 (d) 6.64
28. 28.0.52 × 2.6 — where does the decimal point go? (a) 0.1352 (b) 1.352 (c) 13.52 (d) 0.01352
29. 29.9.8 × 19 — where does the decimal point go? (a) 1.862 (b) 1862 (c) 186.2 (d) 18.62
30. 30.0.73 × 0.4 — where does the decimal point go? (a) 0.00292 (b) 2.92 (c) 0.0292 (d) 0.292
31. 31.3.7 × 8 — where does the decimal point go? (a) 0.296 (b) 296 (c) 2.96 (d) 29.6
32. 32.3.3 × 8 — where does the decimal point go? (a) 26.4 (b) 0.264 (c) 2.64 (d) 264
33. 33.0.97 × 7 — where does the decimal point go? (a) 0.679 (b) 0.0679 (c) 6.79 (d) 67.9
34. 34.0.53 × 3 — where does the decimal point go? (a) 0.159 (b) 0.0159 (c) 1.59 (d) 15.9
35. 35.2.9 × 6 — where does the decimal point go? (a) 0.174 (b) 1.74 (c) 17.4 (d) 174
36. 36.0.38 × 3.8 — where does the decimal point go? (a) 1.444 (b) 0.1444 (c) 0.01444 (d) 14.44
37. 37.0.63 × 0.2 — where does the decimal point go? (a) 0.0126 (b) 0.126 (c) 0.00126 (d) 1.26
38. 38.4.9 × 3 — where does the decimal point go? (a) 0.147 (b) 147 (c) 14.7 (d) 1.47
39. 39.5.7 × 6 — where does the decimal point go? (a) 0.342 (b) 342 (c) 3.42 (d) 34.2
40. 40.6.2 × 2 — where does the decimal point go? (a) 0.124 (b) 12.4 (c) 1.24 (d) 124

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