Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 78 · 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. 1.3.9 × 15 — where does the decimal point go? (a) 58.5 (b) 585 (c) 0.585 (d) 5.85
2. 2.0.82 × 4 — where does the decimal point go? (a) 32.8 (b) 0.0328 (c) 0.328 (d) 3.28
3. 3.0.73 × 0.8 — where does the decimal point go? (a) 0.584 (b) 0.0584 (c) 5.84 (d) 0.00584
4. 4.6.1 × 0.3 — where does the decimal point go? (a) 0.0183 (b) 1.83 (c) 0.183 (d) 18.3
5. 5.0.51 × 4.7 — where does the decimal point go? (a) 2.397 (b) 0.2397 (c) 0.02397 (d) 23.97
6. 6.5.3 × 6 — where does the decimal point go? (a) 0.318 (b) 318 (c) 3.18 (d) 31.8
7. 7.9.5 × 3.1 — where does the decimal point go? (a) 0.2945 (b) 294.5 (c) 2.945 (d) 29.45
8. 8.6.2 × 9 — where does the decimal point go? (a) 558 (b) 55.8 (c) 5.58 (d) 0.558
9. 9.2.5 × 7 — where does the decimal point go? (a) 17.5 (b) 0.175 (c) 1.75 (d) 175
10. 10.0.21 × 36 — where does the decimal point go? (a) 0.0756 (b) 75.6 (c) 7.56 (d) 0.756
11. 11.0.85 × 1.7 — where does the decimal point go? (a) 0.1445 (b) 14.45 (c) 0.01445 (d) 1.445
12. 12.0.43 × 0.2 — where does the decimal point go? (a) 0.086 (b) 0.00086 (c) 0.0086 (d) 0.86
13. 13.3.2 × 1.3 — where does the decimal point go? (a) 0.416 (b) 4.16 (c) 0.0416 (d) 41.6
14. 14.0.22 × 0.4 — where does the decimal point go? (a) 0.088 (b) 0.88 (c) 0.0088 (d) 0.00088
15. 15.0.41 × 1.6 — where does the decimal point go? (a) 0.00656 (b) 6.56 (c) 0.0656 (d) 0.656
16. 16.9.3 × 7 — where does the decimal point go? (a) 6.51 (b) 65.1 (c) 651 (d) 0.651
17. 17.9.7 × 35 — where does the decimal point go? (a) 33.95 (b) 339.5 (c) 3.395 (d) 3395
18. 18.8.1 × 0.4 — where does the decimal point go? (a) 32.4 (b) 0.0324 (c) 0.324 (d) 3.24
19. 19.0.87 × 1.4 — where does the decimal point go? (a) 0.1218 (b) 0.01218 (c) 12.18 (d) 1.218
20. 20.4.6 × 9 — where does the decimal point go? (a) 4.14 (b) 414 (c) 0.414 (d) 41.4
21. 21.0.34 × 2 — where does the decimal point go? (a) 0.0068 (b) 0.68 (c) 0.068 (d) 6.8
22. 22.1.3 × 18 — where does the decimal point go? (a) 0.234 (b) 2.34 (c) 23.4 (d) 234
23. 23.0.35 × 0.9 — where does the decimal point go? (a) 0.0315 (b) 0.00315 (c) 0.315 (d) 3.15
24. 24.2.2 × 4.6 — where does the decimal point go? (a) 10.12 (b) 0.1012 (c) 101.2 (d) 1.012
25. 25.0.33 × 28 — where does the decimal point go? (a) 0.0924 (b) 0.924 (c) 9.24 (d) 92.4
26. 26.0.85 × 5 — where does the decimal point go? (a) 0.425 (b) 4.25 (c) 0.0425 (d) 42.5
27. 27.0.91 × 29 — where does the decimal point go? (a) 2.639 (b) 26.39 (c) 0.2639 (d) 263.9
28. 28.8.3 × 3.2 — where does the decimal point go? (a) 0.2656 (b) 265.6 (c) 2.656 (d) 26.56
29. 29.9.3 × 9 — where does the decimal point go? (a) 83.7 (b) 8.37 (c) 837 (d) 0.837
30. 30.0.98 × 0.4 — where does the decimal point go? (a) 0.0392 (b) 0.00392 (c) 0.392 (d) 3.92
31. 31.0.16 × 19 — where does the decimal point go? (a) 0.304 (b) 3.04 (c) 0.0304 (d) 30.4
32. 32.4.6 × 8 — where does the decimal point go? (a) 36.8 (b) 3.68 (c) 0.368 (d) 368
33. 33.5.3 × 27 — where does the decimal point go? (a) 1.431 (b) 143.1 (c) 1431 (d) 14.31
34. 34.0.73 × 6 — where does the decimal point go? (a) 0.0438 (b) 0.438 (c) 4.38 (d) 43.8
35. 35.2.7 × 7 — where does the decimal point go? (a) 189 (b) 1.89 (c) 18.9 (d) 0.189
36. 36.1.9 × 33 — where does the decimal point go? (a) 62.7 (b) 0.627 (c) 6.27 (d) 627
37. 37.0.59 × 3.2 — where does the decimal point go? (a) 18.88 (b) 0.01888 (c) 1.888 (d) 0.1888
38. 38.0.27 × 15 — where does the decimal point go? (a) 4.05 (b) 40.5 (c) 0.0405 (d) 0.405
39. 39.0.88 × 6 — where does the decimal point go? (a) 52.8 (b) 0.0528 (c) 0.528 (d) 5.28
40. 40.0.28 × 0.3 — where does the decimal point go? (a) 0.0084 (b) 0.084 (c) 0.84 (d) 0.00084

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