Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 820 · 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. 1.0.82 × 8 — where does the decimal point go? (a) 6.56 (b) 0.656 (c) 0.0656 (d) 65.6
2. 2.0.22 × 2.9 — where does the decimal point go? (a) 0.00638 (b) 6.38 (c) 0.638 (d) 0.0638
3. 3.0.47 × 4 — where does the decimal point go? (a) 0.0188 (b) 0.188 (c) 1.88 (d) 18.8
4. 4.0.19 × 6 — where does the decimal point go? (a) 0.0114 (b) 0.114 (c) 11.4 (d) 1.14
5. 5.6.7 × 2.1 — where does the decimal point go? (a) 0.1407 (b) 1.407 (c) 14.07 (d) 140.7
6. 6.3.2 × 14 — where does the decimal point go? (a) 44.8 (b) 0.448 (c) 4.48 (d) 448
7. 7.4.4 × 0.6 — where does the decimal point go? (a) 2.64 (b) 0.264 (c) 26.4 (d) 0.0264
8. 8.7.1 × 9 — where does the decimal point go? (a) 0.639 (b) 639 (c) 63.9 (d) 6.39
9. 9.8.6 × 9 — where does the decimal point go? (a) 0.774 (b) 774 (c) 77.4 (d) 7.74
10. 10.0.84 × 4.9 — where does the decimal point go? (a) 41.16 (b) 0.04116 (c) 0.4116 (d) 4.116
11. 11.0.42 × 4.6 — where does the decimal point go? (a) 19.32 (b) 0.01932 (c) 0.1932 (d) 1.932
12. 12.1.2 × 7 — where does the decimal point go? (a) 0.084 (b) 84 (c) 8.4 (d) 0.84
13. 13.7.9 × 3.3 — where does the decimal point go? (a) 26.07 (b) 260.7 (c) 0.2607 (d) 2.607
14. 14.0.49 × 6 — where does the decimal point go? (a) 0.294 (b) 0.0294 (c) 2.94 (d) 29.4
15. 15.0.52 × 0.3 — where does the decimal point go? (a) 0.0156 (b) 0.156 (c) 0.00156 (d) 1.56
16. 16.5.5 × 0.9 — where does the decimal point go? (a) 4.95 (b) 0.0495 (c) 0.495 (d) 49.5
17. 17.0.69 × 0.7 — where does the decimal point go? (a) 0.00483 (b) 0.483 (c) 0.0483 (d) 4.83
18. 18.5.8 × 0.3 — where does the decimal point go? (a) 1.74 (b) 0.174 (c) 0.0174 (d) 17.4
19. 19.4.8 × 0.4 — where does the decimal point go? (a) 0.0192 (b) 0.192 (c) 19.2 (d) 1.92
20. 20.6.4 × 6 — where does the decimal point go? (a) 0.384 (b) 3.84 (c) 384 (d) 38.4
21. 21.0.28 × 0.3 — where does the decimal point go? (a) 0.0084 (b) 0.084 (c) 0.84 (d) 0.00084
22. 22.3.6 × 0.3 — where does the decimal point go? (a) 0.108 (b) 10.8 (c) 0.0108 (d) 1.08
23. 23.7.7 × 2.9 — where does the decimal point go? (a) 0.2233 (b) 22.33 (c) 223.3 (d) 2.233
24. 24.2.8 × 3.8 — where does the decimal point go? (a) 10.64 (b) 0.1064 (c) 106.4 (d) 1.064
25. 25.9.8 × 8 — where does the decimal point go? (a) 0.784 (b) 7.84 (c) 784 (d) 78.4
26. 26.0.44 × 0.3 — where does the decimal point go? (a) 0.132 (b) 0.00132 (c) 0.0132 (d) 1.32
27. 27.0.98 × 3.8 — where does the decimal point go? (a) 0.03724 (b) 37.24 (c) 3.724 (d) 0.3724
28. 28.0.92 × 8 — where does the decimal point go? (a) 73.6 (b) 7.36 (c) 0.736 (d) 0.0736
29. 29.0.67 × 0.5 — where does the decimal point go? (a) 0.00335 (b) 0.335 (c) 0.0335 (d) 3.35
30. 30.6.6 × 47 — where does the decimal point go? (a) 310.2 (b) 31.02 (c) 3.102 (d) 3102
31. 31.0.51 × 0.4 — where does the decimal point go? (a) 2.04 (b) 0.204 (c) 0.00204 (d) 0.0204
32. 32.1.4 × 2 — where does the decimal point go? (a) 0.028 (b) 2.8 (c) 28 (d) 0.28
33. 33.4.4 × 13 — where does the decimal point go? (a) 572 (b) 0.572 (c) 5.72 (d) 57.2
34. 34.0.39 × 3.3 — where does the decimal point go? (a) 0.01287 (b) 0.1287 (c) 1.287 (d) 12.87
35. 35.0.22 × 6 — where does the decimal point go? (a) 0.132 (b) 13.2 (c) 1.32 (d) 0.0132
36. 36.5.1 × 0.2 — where does the decimal point go? (a) 1.02 (b) 10.2 (c) 0.102 (d) 0.0102
37. 37.0.89 × 0.8 — where does the decimal point go? (a) 0.0712 (b) 7.12 (c) 0.712 (d) 0.00712
38. 38.0.62 × 0.6 — where does the decimal point go? (a) 0.00372 (b) 0.0372 (c) 3.72 (d) 0.372
39. 39.0.23 × 0.2 — where does the decimal point go? (a) 0.00046 (b) 0.0046 (c) 0.046 (d) 0.46
40. 40.0.35 × 0.5 — where does the decimal point go? (a) 1.75 (b) 0.175 (c) 0.0175 (d) 0.00175

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