Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 271 · 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. 1.7.6 × 7 — where does the decimal point go? (a) 0.532 (b) 532 (c) 5.32 (d) 53.2
2. 2.6.8 × 0.9 — where does the decimal point go? (a) 61.2 (b) 6.12 (c) 0.0612 (d) 0.612
3. 3.2.3 × 7 — where does the decimal point go? (a) 1.61 (b) 16.1 (c) 0.161 (d) 161
4. 4.6.1 × 23 — where does the decimal point go? (a) 14.03 (b) 140.3 (c) 1.403 (d) 1403
5. 5.0.21 × 2 — where does the decimal point go? (a) 0.42 (b) 0.0042 (c) 4.2 (d) 0.042
6. 6.9.3 × 42 — where does the decimal point go? (a) 3.906 (b) 3906 (c) 390.6 (d) 39.06
7. 7.0.53 × 9 — where does the decimal point go? (a) 4.77 (b) 47.7 (c) 0.477 (d) 0.0477
8. 8.2.2 × 1.7 — where does the decimal point go? (a) 0.0374 (b) 37.4 (c) 0.374 (d) 3.74
9. 9.1.4 × 0.3 — where does the decimal point go? (a) 0.0042 (b) 0.042 (c) 0.42 (d) 4.2
10. 10.0.49 × 2.6 — where does the decimal point go? (a) 0.1274 (b) 0.01274 (c) 1.274 (d) 12.74
11. 11.5.4 × 9 — where does the decimal point go? (a) 486 (b) 0.486 (c) 48.6 (d) 4.86
12. 12.7.8 × 3 — where does the decimal point go? (a) 2.34 (b) 234 (c) 0.234 (d) 23.4
13. 13.0.22 × 0.4 — where does the decimal point go? (a) 0.088 (b) 0.00088 (c) 0.88 (d) 0.0088
14. 14.7.8 × 0.2 — where does the decimal point go? (a) 15.6 (b) 0.0156 (c) 1.56 (d) 0.156
15. 15.0.61 × 4.9 — where does the decimal point go? (a) 2.989 (b) 0.02989 (c) 29.89 (d) 0.2989
16. 16.0.14 × 0.7 — where does the decimal point go? (a) 0.098 (b) 0.0098 (c) 0.98 (d) 0.00098
17. 17.7.7 × 0.9 — where does the decimal point go? (a) 0.693 (b) 6.93 (c) 0.0693 (d) 69.3
18. 18.0.57 × 28 — where does the decimal point go? (a) 1.596 (b) 159.6 (c) 15.96 (d) 0.1596
19. 19.2.9 × 21 — where does the decimal point go? (a) 0.609 (b) 60.9 (c) 609 (d) 6.09
20. 20.0.23 × 0.5 — where does the decimal point go? (a) 0.115 (b) 0.00115 (c) 0.0115 (d) 1.15
21. 21.0.67 × 14 — where does the decimal point go? (a) 0.0938 (b) 9.38 (c) 93.8 (d) 0.938
22. 22.1.4 × 7 — where does the decimal point go? (a) 9.8 (b) 0.98 (c) 0.098 (d) 98
23. 23.0.49 × 4 — where does the decimal point go? (a) 0.196 (b) 1.96 (c) 0.0196 (d) 19.6
24. 24.0.12 × 0.7 — where does the decimal point go? (a) 0.084 (b) 0.00084 (c) 0.84 (d) 0.0084
25. 25.0.88 × 3 — where does the decimal point go? (a) 26.4 (b) 0.264 (c) 0.0264 (d) 2.64
26. 26.7.2 × 4 — where does the decimal point go? (a) 28.8 (b) 2.88 (c) 0.288 (d) 288
27. 27.0.69 × 2 — where does the decimal point go? (a) 0.138 (b) 1.38 (c) 13.8 (d) 0.0138
28. 28.0.79 × 0.3 — where does the decimal point go? (a) 0.00237 (b) 0.237 (c) 0.0237 (d) 2.37
29. 29.3.4 × 9 — where does the decimal point go? (a) 3.06 (b) 306 (c) 30.6 (d) 0.306
30. 30.0.14 × 8 — where does the decimal point go? (a) 0.112 (b) 1.12 (c) 11.2 (d) 0.0112
31. 31.9.7 × 2.1 — where does the decimal point go? (a) 2.037 (b) 0.2037 (c) 203.7 (d) 20.37
32. 32.6.1 × 36 — where does the decimal point go? (a) 219.6 (b) 21.96 (c) 2.196 (d) 2196
33. 33.5.7 × 0.9 — where does the decimal point go? (a) 0.0513 (b) 0.513 (c) 5.13 (d) 51.3
34. 34.6.1 × 15 — where does the decimal point go? (a) 9.15 (b) 915 (c) 91.5 (d) 0.915
35. 35.0.24 × 3 — where does the decimal point go? (a) 0.0072 (b) 0.072 (c) 0.72 (d) 7.2
36. 36.0.24 × 0.4 — where does the decimal point go? (a) 0.096 (b) 0.0096 (c) 0.96 (d) 0.00096
37. 37.0.24 × 4 — where does the decimal point go? (a) 0.096 (b) 0.0096 (c) 0.96 (d) 9.6
38. 38.0.21 × 4.3 — where does the decimal point go? (a) 0.0903 (b) 0.00903 (c) 0.903 (d) 9.03
39. 39.0.13 × 0.2 — where does the decimal point go? (a) 0.26 (b) 0.026 (c) 0.0026 (d) 0.00026
40. 40.5.6 × 26 — where does the decimal point go? (a) 1.456 (b) 145.6 (c) 14.56 (d) 1456

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