Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 838 · 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. 1.0.89 × 3.1 — where does the decimal point go? (a) 2.759 (b) 27.59 (c) 0.2759 (d) 0.02759
2. 2.0.19 × 6 — where does the decimal point go? (a) 1.14 (b) 11.4 (c) 0.0114 (d) 0.114
3. 3.0.52 × 12 — where does the decimal point go? (a) 6.24 (b) 0.624 (c) 62.4 (d) 0.0624
4. 4.0.64 × 1.3 — where does the decimal point go? (a) 8.32 (b) 0.00832 (c) 0.0832 (d) 0.832
5. 5.7.7 × 2.5 — where does the decimal point go? (a) 19.25 (b) 1.925 (c) 0.1925 (d) 192.5
6. 6.0.62 × 8 — where does the decimal point go? (a) 0.0496 (b) 4.96 (c) 49.6 (d) 0.496
7. 7.6.9 × 9 — where does the decimal point go? (a) 6.21 (b) 62.1 (c) 621 (d) 0.621
8. 8.7.2 × 4.2 — where does the decimal point go? (a) 3.024 (b) 302.4 (c) 0.3024 (d) 30.24
9. 9.0.33 × 0.4 — where does the decimal point go? (a) 0.132 (b) 1.32 (c) 0.00132 (d) 0.0132
10. 10.0.77 × 3.4 — where does the decimal point go? (a) 26.18 (b) 0.2618 (c) 0.02618 (d) 2.618
11. 11.5.1 × 6 — where does the decimal point go? (a) 3.06 (b) 30.6 (c) 0.306 (d) 306
12. 12.0.18 × 28 — where does the decimal point go? (a) 0.0504 (b) 50.4 (c) 0.504 (d) 5.04
13. 13.0.82 × 0.2 — where does the decimal point go? (a) 0.0164 (b) 0.164 (c) 1.64 (d) 0.00164
14. 14.0.97 × 0.9 — where does the decimal point go? (a) 0.00873 (b) 8.73 (c) 0.873 (d) 0.0873
15. 15.4.3 × 4.9 — where does the decimal point go? (a) 21.07 (b) 0.2107 (c) 210.7 (d) 2.107
16. 16.0.71 × 28 — where does the decimal point go? (a) 198.8 (b) 19.88 (c) 1.988 (d) 0.1988
17. 17.4.6 × 36 — where does the decimal point go? (a) 1.656 (b) 16.56 (c) 1656 (d) 165.6
18. 18.0.41 × 0.9 — where does the decimal point go? (a) 0.369 (b) 0.0369 (c) 0.00369 (d) 3.69
19. 19.8.3 × 28 — where does the decimal point go? (a) 2.324 (b) 23.24 (c) 2324 (d) 232.4
20. 20.0.68 × 0.2 — where does the decimal point go? (a) 0.136 (b) 1.36 (c) 0.0136 (d) 0.00136
21. 21.0.64 × 0.6 — where does the decimal point go? (a) 0.00384 (b) 0.384 (c) 0.0384 (d) 3.84
22. 22.0.98 × 26 — where does the decimal point go? (a) 25.48 (b) 0.2548 (c) 2.548 (d) 254.8
23. 23.8.2 × 13 — where does the decimal point go? (a) 1066 (b) 106.6 (c) 10.66 (d) 1.066
24. 24.0.72 × 47 — where does the decimal point go? (a) 33.84 (b) 0.3384 (c) 3.384 (d) 338.4
25. 25.0.27 × 35 — where does the decimal point go? (a) 0.0945 (b) 0.945 (c) 9.45 (d) 94.5
26. 26.0.28 × 0.8 — where does the decimal point go? (a) 0.224 (b) 0.0224 (c) 2.24 (d) 0.00224
27. 27.0.86 × 3.9 — where does the decimal point go? (a) 3.354 (b) 0.3354 (c) 0.03354 (d) 33.54
28. 28.4.6 × 0.2 — where does the decimal point go? (a) 9.2 (b) 0.092 (c) 0.92 (d) 0.0092
29. 29.7.4 × 0.4 — where does the decimal point go? (a) 0.296 (b) 29.6 (c) 0.0296 (d) 2.96
30. 30.0.58 × 7 — where does the decimal point go? (a) 0.0406 (b) 0.406 (c) 40.6 (d) 4.06
31. 31.2.7 × 19 — where does the decimal point go? (a) 51.3 (b) 0.513 (c) 513 (d) 5.13
32. 32.0.71 × 9 — where does the decimal point go? (a) 0.0639 (b) 6.39 (c) 63.9 (d) 0.639
33. 33.0.79 × 39 — where does the decimal point go? (a) 0.3081 (b) 30.81 (c) 3.081 (d) 308.1
34. 34.0.16 × 4 — where does the decimal point go? (a) 0.0064 (b) 6.4 (c) 0.064 (d) 0.64
35. 35.3.6 × 0.4 — where does the decimal point go? (a) 0.144 (b) 1.44 (c) 14.4 (d) 0.0144
36. 36.0.64 × 2 — where does the decimal point go? (a) 1.28 (b) 0.0128 (c) 12.8 (d) 0.128
37. 37.7.4 × 0.7 — where does the decimal point go? (a) 0.0518 (b) 51.8 (c) 5.18 (d) 0.518
38. 38.3.3 × 0.6 — where does the decimal point go? (a) 0.198 (b) 19.8 (c) 0.0198 (d) 1.98
39. 39.1.9 × 0.8 — where does the decimal point go? (a) 0.0152 (b) 0.152 (c) 15.2 (d) 1.52
40. 40.3.2 × 31 — where does the decimal point go? (a) 0.992 (b) 992 (c) 99.2 (d) 9.92

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