Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 151 · 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. 1.5.5 × 7 — where does the decimal point go? (a) 0.385 (b) 385 (c) 38.5 (d) 3.85
2. 2.0.27 × 0.7 — where does the decimal point go? (a) 0.189 (b) 1.89 (c) 0.00189 (d) 0.0189
3. 3.4.7 × 34 — where does the decimal point go? (a) 1.598 (b) 15.98 (c) 1598 (d) 159.8
4. 4.0.63 × 8 — where does the decimal point go? (a) 50.4 (b) 0.504 (c) 5.04 (d) 0.0504
5. 5.0.81 × 0.5 — where does the decimal point go? (a) 4.05 (b) 0.0405 (c) 0.00405 (d) 0.405
6. 6.0.66 × 4.1 — where does the decimal point go? (a) 0.2706 (b) 0.02706 (c) 27.06 (d) 2.706
7. 7.0.84 × 1.3 — where does the decimal point go? (a) 0.01092 (b) 0.1092 (c) 1.092 (d) 10.92
8. 8.7.8 × 0.7 — where does the decimal point go? (a) 54.6 (b) 0.0546 (c) 0.546 (d) 5.46
9. 9.0.44 × 43 — where does the decimal point go? (a) 189.2 (b) 1.892 (c) 0.1892 (d) 18.92
10. 10.0.43 × 21 — where does the decimal point go? (a) 0.903 (b) 9.03 (c) 0.0903 (d) 90.3
11. 11.1.4 × 7 — where does the decimal point go? (a) 0.098 (b) 0.98 (c) 9.8 (d) 98
12. 12.2.7 × 3.6 — where does the decimal point go? (a) 0.972 (b) 0.0972 (c) 9.72 (d) 97.2
13. 13.9.9 × 0.7 — where does the decimal point go? (a) 0.0693 (b) 0.693 (c) 69.3 (d) 6.93
14. 14.5.8 × 7 — where does the decimal point go? (a) 0.406 (b) 406 (c) 4.06 (d) 40.6
15. 15.5.7 × 0.2 — where does the decimal point go? (a) 1.14 (b) 11.4 (c) 0.114 (d) 0.0114
16. 16.0.95 × 1.1 — where does the decimal point go? (a) 0.01045 (b) 1.045 (c) 0.1045 (d) 10.45
17. 17.3.7 × 8 — where does the decimal point go? (a) 29.6 (b) 296 (c) 0.296 (d) 2.96
18. 18.0.81 × 0.7 — where does the decimal point go? (a) 0.00567 (b) 0.0567 (c) 0.567 (d) 5.67
19. 19.0.66 × 3.4 — where does the decimal point go? (a) 0.02244 (b) 0.2244 (c) 22.44 (d) 2.244
20. 20.0.44 × 2.1 — where does the decimal point go? (a) 0.0924 (b) 9.24 (c) 0.924 (d) 0.00924
21. 21.9.3 × 0.9 — where does the decimal point go? (a) 8.37 (b) 0.837 (c) 0.0837 (d) 83.7
22. 22.0.16 × 6 — where does the decimal point go? (a) 0.96 (b) 0.096 (c) 0.0096 (d) 9.6
23. 23.0.69 × 19 — where does the decimal point go? (a) 131.1 (b) 0.1311 (c) 13.11 (d) 1.311
24. 24.0.41 × 48 — where does the decimal point go? (a) 0.1968 (b) 196.8 (c) 19.68 (d) 1.968
25. 25.0.37 × 0.5 — where does the decimal point go? (a) 0.185 (b) 0.00185 (c) 1.85 (d) 0.0185
26. 26.0.91 × 19 — where does the decimal point go? (a) 172.9 (b) 0.1729 (c) 17.29 (d) 1.729
27. 27.6.1 × 0.3 — where does the decimal point go? (a) 0.0183 (b) 1.83 (c) 18.3 (d) 0.183
28. 28.6.7 × 7 — where does the decimal point go? (a) 4.69 (b) 0.469 (c) 46.9 (d) 469
29. 29.9.6 × 3.2 — where does the decimal point go? (a) 30.72 (b) 307.2 (c) 0.3072 (d) 3.072
30. 30.0.91 × 38 — where does the decimal point go? (a) 0.3458 (b) 345.8 (c) 34.58 (d) 3.458
31. 31.7.9 × 2 — where does the decimal point go? (a) 158 (b) 0.158 (c) 15.8 (d) 1.58
32. 32.0.46 × 0.3 — where does the decimal point go? (a) 0.00138 (b) 0.138 (c) 0.0138 (d) 1.38
33. 33.0.24 × 38 — where does the decimal point go? (a) 91.2 (b) 9.12 (c) 0.0912 (d) 0.912
34. 34.0.95 × 1.5 — where does the decimal point go? (a) 14.25 (b) 1.425 (c) 0.01425 (d) 0.1425
35. 35.2.9 × 2 — where does the decimal point go? (a) 0.58 (b) 5.8 (c) 0.058 (d) 58
36. 36.0.79 × 3 — where does the decimal point go? (a) 0.237 (b) 23.7 (c) 2.37 (d) 0.0237
37. 37.0.14 × 0.7 — where does the decimal point go? (a) 0.00098 (b) 0.0098 (c) 0.098 (d) 0.98
38. 38.0.76 × 4 — where does the decimal point go? (a) 30.4 (b) 3.04 (c) 0.304 (d) 0.0304
39. 39.2.1 × 0.9 — where does the decimal point go? (a) 0.189 (b) 0.0189 (c) 18.9 (d) 1.89
40. 40.0.64 × 21 — where does the decimal point go? (a) 1.344 (b) 13.44 (c) 134.4 (d) 0.1344

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