Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 802 · 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. 1.4.4 × 9 — where does the decimal point go? (a) 0.396 (b) 3.96 (c) 396 (d) 39.6
2. 2.0.15 × 33 — where does the decimal point go? (a) 49.5 (b) 0.0495 (c) 0.495 (d) 4.95
3. 3.0.57 × 2 — where does the decimal point go? (a) 1.14 (b) 0.0114 (c) 11.4 (d) 0.114
4. 4.0.68 × 33 — where does the decimal point go? (a) 2.244 (b) 22.44 (c) 0.2244 (d) 224.4
5. 5.8.3 × 6 — where does the decimal point go? (a) 498 (b) 4.98 (c) 49.8 (d) 0.498
6. 6.2.8 × 0.2 — where does the decimal point go? (a) 0.0056 (b) 0.056 (c) 0.56 (d) 5.6
7. 7.5.1 × 1.4 — where does the decimal point go? (a) 71.4 (b) 0.714 (c) 7.14 (d) 0.0714
8. 8.1.6 × 19 — where does the decimal point go? (a) 0.304 (b) 3.04 (c) 30.4 (d) 304
9. 9.3.2 × 0.6 — where does the decimal point go? (a) 0.192 (b) 1.92 (c) 0.0192 (d) 19.2
10. 10.3.2 × 6 — where does the decimal point go? (a) 192 (b) 0.192 (c) 1.92 (d) 19.2
11. 11.4.1 × 9 — where does the decimal point go? (a) 369 (b) 3.69 (c) 36.9 (d) 0.369
12. 12.5.2 × 9 — where does the decimal point go? (a) 46.8 (b) 468 (c) 0.468 (d) 4.68
13. 13.0.91 × 0.5 — where does the decimal point go? (a) 0.0455 (b) 0.00455 (c) 4.55 (d) 0.455
14. 14.2.6 × 34 — where does the decimal point go? (a) 8.84 (b) 0.884 (c) 884 (d) 88.4
15. 15.0.62 × 2.1 — where does the decimal point go? (a) 1.302 (b) 13.02 (c) 0.01302 (d) 0.1302
16. 16.0.73 × 16 — where does the decimal point go? (a) 11.68 (b) 0.1168 (c) 1.168 (d) 116.8
17. 17.0.74 × 0.6 — where does the decimal point go? (a) 0.444 (b) 4.44 (c) 0.0444 (d) 0.00444
18. 18.0.89 × 8 — where does the decimal point go? (a) 0.0712 (b) 7.12 (c) 0.712 (d) 71.2
19. 19.0.31 × 2 — where does the decimal point go? (a) 0.62 (b) 6.2 (c) 0.062 (d) 0.0062
20. 20.0.73 × 0.9 — where does the decimal point go? (a) 0.0657 (b) 0.00657 (c) 0.657 (d) 6.57
21. 21.9.4 × 8 — where does the decimal point go? (a) 752 (b) 75.2 (c) 7.52 (d) 0.752
22. 22.1.2 × 7 — where does the decimal point go? (a) 0.084 (b) 84 (c) 0.84 (d) 8.4
23. 23.0.26 × 4 — where does the decimal point go? (a) 1.04 (b) 0.0104 (c) 10.4 (d) 0.104
24. 24.0.93 × 21 — where does the decimal point go? (a) 195.3 (b) 0.1953 (c) 19.53 (d) 1.953
25. 25.2.7 × 21 — where does the decimal point go? (a) 567 (b) 56.7 (c) 5.67 (d) 0.567
26. 26.5.3 × 3 — where does the decimal point go? (a) 1.59 (b) 159 (c) 0.159 (d) 15.9
27. 27.9.7 × 12 — where does the decimal point go? (a) 1.164 (b) 11.64 (c) 1164 (d) 116.4
28. 28.8.7 × 45 — where does the decimal point go? (a) 39.15 (b) 3915 (c) 391.5 (d) 3.915
29. 29.1.5 × 39 — where does the decimal point go? (a) 0.585 (b) 5.85 (c) 585 (d) 58.5
30. 30.0.86 × 1.1 — where does the decimal point go? (a) 0.00946 (b) 0.946 (c) 9.46 (d) 0.0946
31. 31.6.9 × 27 — where does the decimal point go? (a) 186.3 (b) 1.863 (c) 1863 (d) 18.63
32. 32.0.99 × 36 — where does the decimal point go? (a) 356.4 (b) 0.3564 (c) 3.564 (d) 35.64
33. 33.1.3 × 0.7 — where does the decimal point go? (a) 0.91 (b) 9.1 (c) 0.0091 (d) 0.091
34. 34.0.85 × 0.7 — where does the decimal point go? (a) 0.595 (b) 5.95 (c) 0.00595 (d) 0.0595
35. 35.0.25 × 0.9 — where does the decimal point go? (a) 2.25 (b) 0.00225 (c) 0.225 (d) 0.0225
36. 36.5.8 × 31 — where does the decimal point go? (a) 1798 (b) 179.8 (c) 1.798 (d) 17.98
37. 37.5.2 × 19 — where does the decimal point go? (a) 0.988 (b) 988 (c) 98.8 (d) 9.88
38. 38.6.9 × 3.6 — where does the decimal point go? (a) 2.484 (b) 0.2484 (c) 248.4 (d) 24.84
39. 39.6.7 × 3.6 — where does the decimal point go? (a) 0.2412 (b) 2.412 (c) 24.12 (d) 241.2
40. 40.6.2 × 4 — where does the decimal point go? (a) 2.48 (b) 24.8 (c) 0.248 (d) 248

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