Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 50 · 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. 1.0.78 × 2 — where does the decimal point go? (a) 1.56 (b) 15.6 (c) 0.156 (d) 0.0156
2. 2.4.8 × 4.2 — where does the decimal point go? (a) 2.016 (b) 20.16 (c) 0.2016 (d) 201.6
3. 3.2.4 × 2 — where does the decimal point go? (a) 0.48 (b) 48 (c) 4.8 (d) 0.048
4. 4.0.51 × 0.3 — where does the decimal point go? (a) 0.153 (b) 0.0153 (c) 0.00153 (d) 1.53
5. 5.0.31 × 41 — where does the decimal point go? (a) 1.271 (b) 12.71 (c) 0.1271 (d) 127.1
6. 6.9.9 × 15 — where does the decimal point go? (a) 148.5 (b) 1.485 (c) 14.85 (d) 1485
7. 7.1.7 × 42 — where does the decimal point go? (a) 7.14 (b) 714 (c) 0.714 (d) 71.4
8. 8.2.9 × 2 — where does the decimal point go? (a) 0.058 (b) 0.58 (c) 58 (d) 5.8
9. 9.0.25 × 3.7 — where does the decimal point go? (a) 0.925 (b) 0.00925 (c) 0.0925 (d) 9.25
10. 10.6.2 × 9 — where does the decimal point go? (a) 55.8 (b) 558 (c) 5.58 (d) 0.558
11. 11.7.8 × 1.6 — where does the decimal point go? (a) 1.248 (b) 124.8 (c) 0.1248 (d) 12.48
12. 12.3.9 × 1.2 — where does the decimal point go? (a) 0.0468 (b) 46.8 (c) 4.68 (d) 0.468
13. 13.0.58 × 0.9 — where does the decimal point go? (a) 5.22 (b) 0.522 (c) 0.0522 (d) 0.00522
14. 14.0.82 × 1.7 — where does the decimal point go? (a) 1.394 (b) 0.1394 (c) 0.01394 (d) 13.94
15. 15.8.4 × 2.1 — where does the decimal point go? (a) 17.64 (b) 1.764 (c) 0.1764 (d) 176.4
16. 16.0.97 × 26 — where does the decimal point go? (a) 25.22 (b) 252.2 (c) 0.2522 (d) 2.522
17. 17.6.3 × 3 — where does the decimal point go? (a) 189 (b) 18.9 (c) 1.89 (d) 0.189
18. 18.2.1 × 14 — where does the decimal point go? (a) 2.94 (b) 294 (c) 0.294 (d) 29.4
19. 19.0.59 × 5 — where does the decimal point go? (a) 0.295 (b) 0.0295 (c) 2.95 (d) 29.5
20. 20.5.9 × 5 — where does the decimal point go? (a) 2.95 (b) 29.5 (c) 0.295 (d) 295
21. 21.2.1 × 0.9 — where does the decimal point go? (a) 0.0189 (b) 0.189 (c) 18.9 (d) 1.89
22. 22.1.8 × 4.3 — where does the decimal point go? (a) 0.0774 (b) 7.74 (c) 77.4 (d) 0.774
23. 23.4.5 × 0.9 — where does the decimal point go? (a) 0.405 (b) 4.05 (c) 0.0405 (d) 40.5
24. 24.1.4 × 0.2 — where does the decimal point go? (a) 2.8 (b) 0.0028 (c) 0.028 (d) 0.28
25. 25.1.3 × 0.8 — where does the decimal point go? (a) 1.04 (b) 0.104 (c) 10.4 (d) 0.0104
26. 26.0.59 × 44 — where does the decimal point go? (a) 0.2596 (b) 2.596 (c) 25.96 (d) 259.6
27. 27.2.8 × 29 — where does the decimal point go? (a) 8.12 (b) 812 (c) 81.2 (d) 0.812
28. 28.0.17 × 0.8 — where does the decimal point go? (a) 0.00136 (b) 1.36 (c) 0.0136 (d) 0.136
29. 29.2.8 × 1.9 — where does the decimal point go? (a) 0.0532 (b) 0.532 (c) 5.32 (d) 53.2
30. 30.9.1 × 0.3 — where does the decimal point go? (a) 27.3 (b) 0.0273 (c) 2.73 (d) 0.273
31. 31.0.86 × 31 — where does the decimal point go? (a) 26.66 (b) 2.666 (c) 266.6 (d) 0.2666
32. 32.0.62 × 3.2 — where does the decimal point go? (a) 1.984 (b) 0.01984 (c) 0.1984 (d) 19.84
33. 33.0.25 × 4.5 — where does the decimal point go? (a) 1.125 (b) 11.25 (c) 0.01125 (d) 0.1125
34. 34.2.3 × 4.7 — where does the decimal point go? (a) 0.1081 (b) 1.081 (c) 108.1 (d) 10.81
35. 35.1.7 × 29 — where does the decimal point go? (a) 0.493 (b) 4.93 (c) 493 (d) 49.3
36. 36.0.93 × 2.1 — where does the decimal point go? (a) 0.01953 (b) 19.53 (c) 0.1953 (d) 1.953
37. 37.7.3 × 43 — where does the decimal point go? (a) 313.9 (b) 3139 (c) 3.139 (d) 31.39
38. 38.0.51 × 38 — where does the decimal point go? (a) 1.938 (b) 193.8 (c) 19.38 (d) 0.1938
39. 39.8.5 × 0.3 — where does the decimal point go? (a) 25.5 (b) 0.255 (c) 2.55 (d) 0.0255
40. 40.0.63 × 0.7 — where does the decimal point go? (a) 0.441 (b) 0.0441 (c) 0.00441 (d) 4.41

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