Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 827 · 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. 1.1.5 × 0.5 — where does the decimal point go? (a) 0.75 (b) 0.0075 (c) 7.5 (d) 0.075
2. 2.5.1 × 9 — where does the decimal point go? (a) 45.9 (b) 4.59 (c) 0.459 (d) 459
3. 3.0.53 × 2.7 — where does the decimal point go? (a) 0.01431 (b) 0.1431 (c) 1.431 (d) 14.31
4. 4.0.88 × 2 — where does the decimal point go? (a) 0.0176 (b) 17.6 (c) 0.176 (d) 1.76
5. 5.5.4 × 49 — where does the decimal point go? (a) 2646 (b) 264.6 (c) 2.646 (d) 26.46
6. 6.3.9 × 8 — where does the decimal point go? (a) 31.2 (b) 0.312 (c) 312 (d) 3.12
7. 7.0.75 × 27 — where does the decimal point go? (a) 20.25 (b) 2.025 (c) 202.5 (d) 0.2025
8. 8.0.12 × 0.3 — where does the decimal point go? (a) 0.0036 (b) 0.036 (c) 0.00036 (d) 0.36
9. 9.0.16 × 4 — where does the decimal point go? (a) 0.64 (b) 0.0064 (c) 6.4 (d) 0.064
10. 10.7.4 × 21 — where does the decimal point go? (a) 155.4 (b) 1554 (c) 1.554 (d) 15.54
11. 11.0.52 × 7 — where does the decimal point go? (a) 0.0364 (b) 3.64 (c) 36.4 (d) 0.364
12. 12.9.5 × 3 — where does the decimal point go? (a) 2.85 (b) 0.285 (c) 28.5 (d) 285
13. 13.0.28 × 12 — where does the decimal point go? (a) 0.336 (b) 0.0336 (c) 3.36 (d) 33.6
14. 14.2.3 × 3.2 — where does the decimal point go? (a) 7.36 (b) 0.0736 (c) 0.736 (d) 73.6
15. 15.7.4 × 2.6 — where does the decimal point go? (a) 0.1924 (b) 1.924 (c) 19.24 (d) 192.4
16. 16.0.33 × 0.5 — where does the decimal point go? (a) 0.165 (b) 1.65 (c) 0.0165 (d) 0.00165
17. 17.0.61 × 5 — where does the decimal point go? (a) 0.0305 (b) 0.305 (c) 30.5 (d) 3.05
18. 18.0.72 × 0.2 — where does the decimal point go? (a) 1.44 (b) 0.0144 (c) 0.144 (d) 0.00144
19. 19.5.7 × 4.8 — where does the decimal point go? (a) 2.736 (b) 27.36 (c) 273.6 (d) 0.2736
20. 20.2.3 × 11 — where does the decimal point go? (a) 253 (b) 2.53 (c) 0.253 (d) 25.3
21. 21.7.9 × 0.5 — where does the decimal point go? (a) 3.95 (b) 39.5 (c) 0.395 (d) 0.0395
22. 22.0.23 × 2.3 — where does the decimal point go? (a) 0.529 (b) 0.00529 (c) 0.0529 (d) 5.29
23. 23.2.1 × 5 — where does the decimal point go? (a) 10.5 (b) 1.05 (c) 105 (d) 0.105
24. 24.7.4 × 2.3 — where does the decimal point go? (a) 0.1702 (b) 170.2 (c) 1.702 (d) 17.02
25. 25.2.5 × 0.5 — where does the decimal point go? (a) 12.5 (b) 0.0125 (c) 0.125 (d) 1.25
26. 26.0.46 × 4 — where does the decimal point go? (a) 1.84 (b) 0.0184 (c) 18.4 (d) 0.184
27. 27.0.89 × 0.9 — where does the decimal point go? (a) 0.801 (b) 0.00801 (c) 0.0801 (d) 8.01
28. 28.0.37 × 3 — where does the decimal point go? (a) 11.1 (b) 1.11 (c) 0.0111 (d) 0.111
29. 29.6.4 × 7 — where does the decimal point go? (a) 44.8 (b) 448 (c) 4.48 (d) 0.448
30. 30.8.3 × 0.6 — where does the decimal point go? (a) 49.8 (b) 4.98 (c) 0.498 (d) 0.0498
31. 31.2.2 × 3.4 — where does the decimal point go? (a) 0.0748 (b) 7.48 (c) 74.8 (d) 0.748
32. 32.4.6 × 4 — where does the decimal point go? (a) 184 (b) 0.184 (c) 1.84 (d) 18.4
33. 33.0.31 × 2 — where does the decimal point go? (a) 0.62 (b) 6.2 (c) 0.0062 (d) 0.062
34. 34.0.32 × 0.4 — where does the decimal point go? (a) 0.0128 (b) 0.128 (c) 0.00128 (d) 1.28
35. 35.4.2 × 8 — where does the decimal point go? (a) 33.6 (b) 3.36 (c) 0.336 (d) 336
36. 36.2.1 × 0.2 — where does the decimal point go? (a) 0.42 (b) 4.2 (c) 0.042 (d) 0.0042
37. 37.2.3 × 5 — where does the decimal point go? (a) 0.115 (b) 11.5 (c) 1.15 (d) 115
38. 38.0.69 × 0.2 — where does the decimal point go? (a) 0.00138 (b) 1.38 (c) 0.138 (d) 0.0138
39. 39.9.8 × 2 — where does the decimal point go? (a) 19.6 (b) 1.96 (c) 196 (d) 0.196
40. 40.6.8 × 1.8 — where does the decimal point go? (a) 12.24 (b) 1.224 (c) 122.4 (d) 0.1224

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