Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 7 · 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. 1.3.2 × 4 — where does the decimal point go? (a) 12.8 (b) 128 (c) 0.128 (d) 1.28
2. 2.0.53 × 1.2 — where does the decimal point go? (a) 0.00636 (b) 0.636 (c) 0.0636 (d) 6.36
3. 3.2.6 × 2 — where does the decimal point go? (a) 0.52 (b) 5.2 (c) 0.052 (d) 52
4. 4.0.44 × 1.3 — where does the decimal point go? (a) 0.0572 (b) 5.72 (c) 0.572 (d) 0.00572
5. 5.4.7 × 2.6 — where does the decimal point go? (a) 0.1222 (b) 1.222 (c) 12.22 (d) 122.2
6. 6.6.8 × 4 — where does the decimal point go? (a) 0.272 (b) 272 (c) 27.2 (d) 2.72
7. 7.4.7 × 0.8 — where does the decimal point go? (a) 0.376 (b) 37.6 (c) 3.76 (d) 0.0376
8. 8.0.26 × 39 — where does the decimal point go? (a) 10.14 (b) 1.014 (c) 101.4 (d) 0.1014
9. 9.7.8 × 9 — where does the decimal point go? (a) 7.02 (b) 702 (c) 0.702 (d) 70.2
10. 10.6.6 × 9 — where does the decimal point go? (a) 0.594 (b) 594 (c) 59.4 (d) 5.94
11. 11.1.7 × 15 — where does the decimal point go? (a) 255 (b) 25.5 (c) 0.255 (d) 2.55
12. 12.0.52 × 3 — where does the decimal point go? (a) 0.0156 (b) 1.56 (c) 0.156 (d) 15.6
13. 13.0.79 × 0.9 — where does the decimal point go? (a) 7.11 (b) 0.0711 (c) 0.711 (d) 0.00711
14. 14.7.6 × 9 — where does the decimal point go? (a) 684 (b) 6.84 (c) 68.4 (d) 0.684
15. 15.6.3 × 3.7 — where does the decimal point go? (a) 0.2331 (b) 23.31 (c) 233.1 (d) 2.331
16. 16.4.8 × 0.3 — where does the decimal point go? (a) 1.44 (b) 0.144 (c) 14.4 (d) 0.0144
17. 17.9.7 × 9 — where does the decimal point go? (a) 873 (b) 87.3 (c) 8.73 (d) 0.873
18. 18.0.34 × 0.3 — where does the decimal point go? (a) 0.102 (b) 0.0102 (c) 0.00102 (d) 1.02
19. 19.5.9 × 4 — where does the decimal point go? (a) 2.36 (b) 23.6 (c) 0.236 (d) 236
20. 20.0.33 × 0.8 — where does the decimal point go? (a) 2.64 (b) 0.00264 (c) 0.0264 (d) 0.264
21. 21.7.7 × 9 — where does the decimal point go? (a) 6.93 (b) 69.3 (c) 0.693 (d) 693
22. 22.0.69 × 0.5 — where does the decimal point go? (a) 0.0345 (b) 0.00345 (c) 3.45 (d) 0.345
23. 23.6.5 × 3.9 — where does the decimal point go? (a) 2.535 (b) 25.35 (c) 0.2535 (d) 253.5
24. 24.0.42 × 0.4 — where does the decimal point go? (a) 0.0168 (b) 0.00168 (c) 1.68 (d) 0.168
25. 25.0.18 × 2 — where does the decimal point go? (a) 0.36 (b) 0.036 (c) 3.6 (d) 0.0036
26. 26.0.73 × 13 — where does the decimal point go? (a) 0.949 (b) 9.49 (c) 94.9 (d) 0.0949
27. 27.0.94 × 4.8 — where does the decimal point go? (a) 0.4512 (b) 0.04512 (c) 45.12 (d) 4.512
28. 28.0.41 × 0.3 — where does the decimal point go? (a) 1.23 (b) 0.123 (c) 0.0123 (d) 0.00123
29. 29.0.85 × 3 — where does the decimal point go? (a) 2.55 (b) 0.255 (c) 0.0255 (d) 25.5
30. 30.0.83 × 2.6 — where does the decimal point go? (a) 0.02158 (b) 2.158 (c) 21.58 (d) 0.2158
31. 31.5.4 × 0.2 — where does the decimal point go? (a) 0.0108 (b) 1.08 (c) 0.108 (d) 10.8
32. 32.0.32 × 0.6 — where does the decimal point go? (a) 0.0192 (b) 0.00192 (c) 0.192 (d) 1.92
33. 33.0.93 × 2 — where does the decimal point go? (a) 1.86 (b) 0.0186 (c) 0.186 (d) 18.6
34. 34.0.23 × 4.4 — where does the decimal point go? (a) 10.12 (b) 1.012 (c) 0.1012 (d) 0.01012
35. 35.0.42 × 0.2 — where does the decimal point go? (a) 0.0084 (b) 0.084 (c) 0.00084 (d) 0.84
36. 36.1.7 × 0.5 — where does the decimal point go? (a) 0.085 (b) 8.5 (c) 0.85 (d) 0.0085
37. 37.5.7 × 2.5 — where does the decimal point go? (a) 14.25 (b) 1.425 (c) 0.1425 (d) 142.5
38. 38.0.63 × 2 — where does the decimal point go? (a) 1.26 (b) 0.0126 (c) 12.6 (d) 0.126
39. 39.9.5 × 19 — where does the decimal point go? (a) 180.5 (b) 1805 (c) 1.805 (d) 18.05
40. 40.8.2 × 2 — where does the decimal point go? (a) 0.164 (b) 16.4 (c) 1.64 (d) 164

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