Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 767 · 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. 1.0.98 × 4 — where does the decimal point go? (a) 3.92 (b) 0.0392 (c) 0.392 (d) 39.2
2. 2.5.6 × 0.9 — where does the decimal point go? (a) 5.04 (b) 50.4 (c) 0.0504 (d) 0.504
3. 3.0.19 × 27 — where does the decimal point go? (a) 0.0513 (b) 5.13 (c) 0.513 (d) 51.3
4. 4.6.2 × 41 — where does the decimal point go? (a) 2.542 (b) 25.42 (c) 254.2 (d) 2542
5. 5.5.8 × 3.4 — where does the decimal point go? (a) 197.2 (b) 0.1972 (c) 1.972 (d) 19.72
6. 6.0.36 × 2.7 — where does the decimal point go? (a) 0.0972 (b) 9.72 (c) 0.00972 (d) 0.972
7. 7.0.21 × 8 — where does the decimal point go? (a) 1.68 (b) 0.0168 (c) 0.168 (d) 16.8
8. 8.0.12 × 9 — where does the decimal point go? (a) 0.0108 (b) 1.08 (c) 0.108 (d) 10.8
9. 9.8.3 × 36 — where does the decimal point go? (a) 29.88 (b) 2988 (c) 2.988 (d) 298.8
10. 10.0.74 × 0.3 — where does the decimal point go? (a) 0.222 (b) 0.00222 (c) 2.22 (d) 0.0222
11. 11.2.5 × 0.7 — where does the decimal point go? (a) 17.5 (b) 0.0175 (c) 0.175 (d) 1.75
12. 12.5.8 × 22 — where does the decimal point go? (a) 12.76 (b) 1.276 (c) 1276 (d) 127.6
13. 13.8.8 × 0.4 — where does the decimal point go? (a) 35.2 (b) 0.0352 (c) 0.352 (d) 3.52
14. 14.8.6 × 0.9 — where does the decimal point go? (a) 77.4 (b) 7.74 (c) 0.0774 (d) 0.774
15. 15.0.16 × 7 — where does the decimal point go? (a) 11.2 (b) 1.12 (c) 0.112 (d) 0.0112
16. 16.0.76 × 1.7 — where does the decimal point go? (a) 12.92 (b) 1.292 (c) 0.01292 (d) 0.1292
17. 17.6.3 × 48 — where does the decimal point go? (a) 302.4 (b) 30.24 (c) 3.024 (d) 3024
18. 18.0.93 × 17 — where does the decimal point go? (a) 0.1581 (b) 15.81 (c) 1.581 (d) 158.1
19. 19.6.9 × 8 — where does the decimal point go? (a) 55.2 (b) 5.52 (c) 0.552 (d) 552
20. 20.3.8 × 8 — where does the decimal point go? (a) 304 (b) 30.4 (c) 3.04 (d) 0.304
21. 21.2.8 × 9 — where does the decimal point go? (a) 25.2 (b) 252 (c) 0.252 (d) 2.52
22. 22.7.3 × 18 — where does the decimal point go? (a) 13.14 (b) 131.4 (c) 1.314 (d) 1314
23. 23.1.9 × 4 — where does the decimal point go? (a) 0.076 (b) 7.6 (c) 76 (d) 0.76
24. 24.1.3 × 1.6 — where does the decimal point go? (a) 0.0208 (b) 2.08 (c) 20.8 (d) 0.208
25. 25.9.7 × 5 — where does the decimal point go? (a) 0.485 (b) 48.5 (c) 4.85 (d) 485
26. 26.8.7 × 2 — where does the decimal point go? (a) 17.4 (b) 174 (c) 1.74 (d) 0.174
27. 27.1.3 × 5 — where does the decimal point go? (a) 0.065 (b) 0.65 (c) 6.5 (d) 65
28. 28.0.22 × 8 — where does the decimal point go? (a) 1.76 (b) 0.176 (c) 17.6 (d) 0.0176
29. 29.7.3 × 0.5 — where does the decimal point go? (a) 3.65 (b) 0.0365 (c) 36.5 (d) 0.365
30. 30.0.83 × 3.9 — where does the decimal point go? (a) 0.03237 (b) 32.37 (c) 0.3237 (d) 3.237
31. 31.3.4 × 0.4 — where does the decimal point go? (a) 1.36 (b) 0.0136 (c) 0.136 (d) 13.6
32. 32.4.3 × 8 — where does the decimal point go? (a) 3.44 (b) 34.4 (c) 0.344 (d) 344
33. 33.3.5 × 3 — where does the decimal point go? (a) 1.05 (b) 10.5 (c) 0.105 (d) 105
34. 34.0.92 × 26 — where does the decimal point go? (a) 2.392 (b) 23.92 (c) 0.2392 (d) 239.2
35. 35.9.6 × 3 — where does the decimal point go? (a) 0.288 (b) 2.88 (c) 28.8 (d) 288
36. 36.9.6 × 9 — where does the decimal point go? (a) 864 (b) 8.64 (c) 86.4 (d) 0.864
37. 37.3.1 × 26 — where does the decimal point go? (a) 80.6 (b) 806 (c) 0.806 (d) 8.06
38. 38.8.2 × 8 — where does the decimal point go? (a) 6.56 (b) 656 (c) 0.656 (d) 65.6
39. 39.8.9 × 3.3 — where does the decimal point go? (a) 29.37 (b) 293.7 (c) 2.937 (d) 0.2937
40. 40.6.4 × 4.4 — where does the decimal point go? (a) 2.816 (b) 0.2816 (c) 281.6 (d) 28.16

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