Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 735 · 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. 1.0.72 × 6 — where does the decimal point go? (a) 0.432 (b) 0.0432 (c) 4.32 (d) 43.2
2. 2.0.54 × 4.6 — where does the decimal point go? (a) 24.84 (b) 0.2484 (c) 0.02484 (d) 2.484
3. 3.9.9 × 36 — where does the decimal point go? (a) 3.564 (b) 3564 (c) 35.64 (d) 356.4
4. 4.4.8 × 0.9 — where does the decimal point go? (a) 43.2 (b) 0.432 (c) 0.0432 (d) 4.32
5. 5.4.4 × 4 — where does the decimal point go? (a) 1.76 (b) 176 (c) 17.6 (d) 0.176
6. 6.6.3 × 0.4 — where does the decimal point go? (a) 2.52 (b) 25.2 (c) 0.0252 (d) 0.252
7. 7.9.5 × 41 — where does the decimal point go? (a) 3.895 (b) 38.95 (c) 389.5 (d) 3895
8. 8.0.32 × 2.3 — where does the decimal point go? (a) 7.36 (b) 0.0736 (c) 0.00736 (d) 0.736
9. 9.1.3 × 32 — where does the decimal point go? (a) 0.416 (b) 4.16 (c) 416 (d) 41.6
10. 10.0.15 × 7 — where does the decimal point go? (a) 1.05 (b) 0.0105 (c) 0.105 (d) 10.5
11. 11.9.8 × 0.6 — where does the decimal point go? (a) 0.588 (b) 5.88 (c) 58.8 (d) 0.0588
12. 12.0.36 × 47 — where does the decimal point go? (a) 1.692 (b) 0.1692 (c) 169.2 (d) 16.92
13. 13.0.93 × 0.5 — where does the decimal point go? (a) 0.00465 (b) 0.0465 (c) 4.65 (d) 0.465
14. 14.1.3 × 34 — where does the decimal point go? (a) 442 (b) 44.2 (c) 4.42 (d) 0.442
15. 15.9.2 × 27 — where does the decimal point go? (a) 24.84 (b) 248.4 (c) 2484 (d) 2.484
16. 16.1.6 × 3 — where does the decimal point go? (a) 4.8 (b) 0.048 (c) 48 (d) 0.48
17. 17.9.2 × 8 — where does the decimal point go? (a) 736 (b) 0.736 (c) 7.36 (d) 73.6
18. 18.6.8 × 11 — where does the decimal point go? (a) 748 (b) 0.748 (c) 7.48 (d) 74.8
19. 19.2.3 × 47 — where does the decimal point go? (a) 1081 (b) 1.081 (c) 10.81 (d) 108.1
20. 20.0.16 × 7 — where does the decimal point go? (a) 0.0112 (b) 1.12 (c) 11.2 (d) 0.112
21. 21.0.77 × 3.4 — where does the decimal point go? (a) 0.2618 (b) 26.18 (c) 0.02618 (d) 2.618
22. 22.0.42 × 41 — where does the decimal point go? (a) 0.1722 (b) 172.2 (c) 17.22 (d) 1.722
23. 23.0.44 × 2 — where does the decimal point go? (a) 0.088 (b) 0.0088 (c) 0.88 (d) 8.8
24. 24.0.47 × 2.5 — where does the decimal point go? (a) 1.175 (b) 11.75 (c) 0.1175 (d) 0.01175
25. 25.9.4 × 0.2 — where does the decimal point go? (a) 18.8 (b) 1.88 (c) 0.0188 (d) 0.188
26. 26.7.6 × 33 — where does the decimal point go? (a) 2508 (b) 2.508 (c) 250.8 (d) 25.08
27. 27.4.6 × 48 — where does the decimal point go? (a) 2208 (b) 22.08 (c) 220.8 (d) 2.208
28. 28.0.16 × 3.8 — where does the decimal point go? (a) 0.608 (b) 0.00608 (c) 0.0608 (d) 6.08
29. 29.1.4 × 7 — where does the decimal point go? (a) 0.98 (b) 98 (c) 0.098 (d) 9.8
30. 30.0.33 × 2.4 — where does the decimal point go? (a) 0.0792 (b) 0.792 (c) 7.92 (d) 0.00792
31. 31.0.83 × 0.3 — where does the decimal point go? (a) 0.0249 (b) 0.249 (c) 2.49 (d) 0.00249
32. 32.0.42 × 0.7 — where does the decimal point go? (a) 0.0294 (b) 2.94 (c) 0.00294 (d) 0.294
33. 33.9.7 × 44 — where does the decimal point go? (a) 42.68 (b) 4268 (c) 426.8 (d) 4.268
34. 34.4.3 × 1.3 — where does the decimal point go? (a) 0.559 (b) 5.59 (c) 0.0559 (d) 55.9
35. 35.0.23 × 0.8 — where does the decimal point go? (a) 0.00184 (b) 0.0184 (c) 1.84 (d) 0.184
36. 36.5.9 × 4 — where does the decimal point go? (a) 2.36 (b) 0.236 (c) 236 (d) 23.6
37. 37.0.34 × 0.9 — where does the decimal point go? (a) 0.0306 (b) 0.00306 (c) 0.306 (d) 3.06
38. 38.0.18 × 43 — where does the decimal point go? (a) 7.74 (b) 0.0774 (c) 0.774 (d) 77.4
39. 39.0.42 × 3.9 — where does the decimal point go? (a) 0.1638 (b) 16.38 (c) 0.01638 (d) 1.638
40. 40.9.6 × 27 — where does the decimal point go? (a) 259.2 (b) 25.92 (c) 2592 (d) 2.592

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