Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 168 · 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. 1.0.77 × 1.4 — where does the decimal point go? (a) 0.1078 (b) 10.78 (c) 0.01078 (d) 1.078
2. 2.0.85 × 9 — where does the decimal point go? (a) 0.765 (b) 0.0765 (c) 7.65 (d) 76.5
3. 3.7.8 × 0.6 — where does the decimal point go? (a) 4.68 (b) 0.0468 (c) 0.468 (d) 46.8
4. 4.6.3 × 32 — where does the decimal point go? (a) 2016 (b) 2.016 (c) 201.6 (d) 20.16
5. 5.4.2 × 3.2 — where does the decimal point go? (a) 134.4 (b) 1.344 (c) 13.44 (d) 0.1344
6. 6.0.51 × 28 — where does the decimal point go? (a) 14.28 (b) 0.1428 (c) 142.8 (d) 1.428
7. 7.7.1 × 3 — where does the decimal point go? (a) 0.213 (b) 21.3 (c) 2.13 (d) 213
8. 8.1.4 × 1.2 — where does the decimal point go? (a) 1.68 (b) 0.168 (c) 0.0168 (d) 16.8
9. 9.5.1 × 2.7 — where does the decimal point go? (a) 0.1377 (b) 13.77 (c) 137.7 (d) 1.377
10. 10.0.94 × 4 — where does the decimal point go? (a) 0.0376 (b) 37.6 (c) 3.76 (d) 0.376
11. 11.4.1 × 4.1 — where does the decimal point go? (a) 0.1681 (b) 16.81 (c) 168.1 (d) 1.681
12. 12.0.24 × 0.4 — where does the decimal point go? (a) 0.00096 (b) 0.096 (c) 0.96 (d) 0.0096
13. 13.0.32 × 26 — where does the decimal point go? (a) 0.0832 (b) 0.832 (c) 8.32 (d) 83.2
14. 14.0.64 × 0.9 — where does the decimal point go? (a) 0.0576 (b) 0.00576 (c) 0.576 (d) 5.76
15. 15.1.2 × 1.9 — where does the decimal point go? (a) 22.8 (b) 2.28 (c) 0.228 (d) 0.0228
16. 16.1.2 × 46 — where does the decimal point go? (a) 552 (b) 0.552 (c) 55.2 (d) 5.52
17. 17.0.46 × 4 — where does the decimal point go? (a) 18.4 (b) 0.184 (c) 0.0184 (d) 1.84
18. 18.0.89 × 0.5 — where does the decimal point go? (a) 0.0445 (b) 4.45 (c) 0.445 (d) 0.00445
19. 19.2.9 × 0.6 — where does the decimal point go? (a) 0.174 (b) 0.0174 (c) 1.74 (d) 17.4
20. 20.0.94 × 31 — where does the decimal point go? (a) 291.4 (b) 2.914 (c) 0.2914 (d) 29.14
21. 21.0.83 × 0.7 — where does the decimal point go? (a) 0.00581 (b) 0.581 (c) 5.81 (d) 0.0581
22. 22.9.1 × 0.4 — where does the decimal point go? (a) 36.4 (b) 0.364 (c) 0.0364 (d) 3.64
23. 23.1.3 × 7 — where does the decimal point go? (a) 0.91 (b) 0.091 (c) 91 (d) 9.1
24. 24.0.31 × 11 — where does the decimal point go? (a) 3.41 (b) 0.341 (c) 0.0341 (d) 34.1
25. 25.0.53 × 5 — where does the decimal point go? (a) 2.65 (b) 0.265 (c) 26.5 (d) 0.0265
26. 26.4.8 × 0.9 — where does the decimal point go? (a) 4.32 (b) 0.432 (c) 43.2 (d) 0.0432
27. 27.0.21 × 43 — where does the decimal point go? (a) 9.03 (b) 90.3 (c) 0.903 (d) 0.0903
28. 28.0.68 × 2.4 — where does the decimal point go? (a) 16.32 (b) 1.632 (c) 0.1632 (d) 0.01632
29. 29.0.99 × 4 — where does the decimal point go? (a) 3.96 (b) 0.396 (c) 39.6 (d) 0.0396
30. 30.0.16 × 2 — where does the decimal point go? (a) 0.032 (b) 0.0032 (c) 0.32 (d) 3.2
31. 31.0.16 × 8 — where does the decimal point go? (a) 0.128 (b) 1.28 (c) 0.0128 (d) 12.8
32. 32.0.47 × 0.5 — where does the decimal point go? (a) 0.0235 (b) 0.235 (c) 2.35 (d) 0.00235
33. 33.0.58 × 19 — where does the decimal point go? (a) 110.2 (b) 0.1102 (c) 1.102 (d) 11.02
34. 34.0.27 × 0.2 — where does the decimal point go? (a) 0.054 (b) 0.0054 (c) 0.00054 (d) 0.54
35. 35.0.87 × 37 — where does the decimal point go? (a) 0.3219 (b) 32.19 (c) 3.219 (d) 321.9
36. 36.0.68 × 2.1 — where does the decimal point go? (a) 0.01428 (b) 1.428 (c) 0.1428 (d) 14.28
37. 37.0.62 × 0.8 — where does the decimal point go? (a) 4.96 (b) 0.496 (c) 0.0496 (d) 0.00496
38. 38.0.38 × 2 — where does the decimal point go? (a) 7.6 (b) 0.76 (c) 0.0076 (d) 0.076
39. 39.0.75 × 19 — where does the decimal point go? (a) 0.1425 (b) 14.25 (c) 1.425 (d) 142.5
40. 40.8.3 × 29 — where does the decimal point go? (a) 2407 (b) 2.407 (c) 24.07 (d) 240.7

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