Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 27 · 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. 1.7.3 × 6 — where does the decimal point go? (a) 4.38 (b) 0.438 (c) 43.8 (d) 438
2. 2.0.66 × 9 — where does the decimal point go? (a) 0.0594 (b) 59.4 (c) 5.94 (d) 0.594
3. 3.0.57 × 5 — where does the decimal point go? (a) 0.285 (b) 0.0285 (c) 2.85 (d) 28.5
4. 4.4.7 × 0.9 — where does the decimal point go? (a) 4.23 (b) 42.3 (c) 0.0423 (d) 0.423
5. 5.0.62 × 0.2 — where does the decimal point go? (a) 0.124 (b) 1.24 (c) 0.00124 (d) 0.0124
6. 6.0.67 × 11 — where does the decimal point go? (a) 73.7 (b) 0.737 (c) 7.37 (d) 0.0737
7. 7.2.1 × 39 — where does the decimal point go? (a) 81.9 (b) 8.19 (c) 0.819 (d) 819
8. 8.0.62 × 0.4 — where does the decimal point go? (a) 0.0248 (b) 0.248 (c) 2.48 (d) 0.00248
9. 9.8.2 × 24 — where does the decimal point go? (a) 196.8 (b) 19.68 (c) 1968 (d) 1.968
10. 10.0.33 × 33 — where does the decimal point go? (a) 10.89 (b) 108.9 (c) 0.1089 (d) 1.089
11. 11.3.9 × 49 — where does the decimal point go? (a) 1.911 (b) 1911 (c) 19.11 (d) 191.1
12. 12.9.6 × 8 — where does the decimal point go? (a) 768 (b) 7.68 (c) 0.768 (d) 76.8
13. 13.7.1 × 6 — where does the decimal point go? (a) 0.426 (b) 426 (c) 4.26 (d) 42.6
14. 14.2.1 × 0.5 — where does the decimal point go? (a) 1.05 (b) 0.0105 (c) 10.5 (d) 0.105
15. 15.5.4 × 3.8 — where does the decimal point go? (a) 2.052 (b) 0.2052 (c) 20.52 (d) 205.2
16. 16.7.7 × 0.5 — where does the decimal point go? (a) 0.385 (b) 38.5 (c) 3.85 (d) 0.0385
17. 17.0.36 × 0.9 — where does the decimal point go? (a) 3.24 (b) 0.00324 (c) 0.324 (d) 0.0324
18. 18.0.91 × 2 — where does the decimal point go? (a) 0.182 (b) 1.82 (c) 0.0182 (d) 18.2
19. 19.8.8 × 2 — where does the decimal point go? (a) 17.6 (b) 176 (c) 0.176 (d) 1.76
20. 20.3.8 × 14 — where does the decimal point go? (a) 53.2 (b) 0.532 (c) 5.32 (d) 532
21. 21.0.78 × 0.2 — where does the decimal point go? (a) 1.56 (b) 0.0156 (c) 0.156 (d) 0.00156
22. 22.4.8 × 2 — where does the decimal point go? (a) 96 (b) 0.096 (c) 9.6 (d) 0.96
23. 23.0.31 × 47 — where does the decimal point go? (a) 1.457 (b) 14.57 (c) 0.1457 (d) 145.7
24. 24.0.18 × 6 — where does the decimal point go? (a) 0.0108 (b) 10.8 (c) 0.108 (d) 1.08
25. 25.0.74 × 8 — where does the decimal point go? (a) 5.92 (b) 59.2 (c) 0.592 (d) 0.0592
26. 26.1.2 × 46 — where does the decimal point go? (a) 0.552 (b) 5.52 (c) 55.2 (d) 552
27. 27.0.84 × 31 — where does the decimal point go? (a) 0.2604 (b) 260.4 (c) 2.604 (d) 26.04
28. 28.0.16 × 3.3 — where does the decimal point go? (a) 0.00528 (b) 0.0528 (c) 5.28 (d) 0.528
29. 29.0.55 × 2.5 — where does the decimal point go? (a) 1.375 (b) 13.75 (c) 0.1375 (d) 0.01375
30. 30.0.57 × 2 — where does the decimal point go? (a) 0.114 (b) 0.0114 (c) 1.14 (d) 11.4
31. 31.6.1 × 3 — where does the decimal point go? (a) 183 (b) 0.183 (c) 18.3 (d) 1.83
32. 32.2.4 × 16 — where does the decimal point go? (a) 3.84 (b) 0.384 (c) 38.4 (d) 384
33. 33.0.34 × 6 — where does the decimal point go? (a) 0.204 (b) 20.4 (c) 0.0204 (d) 2.04
34. 34.7.7 × 3.7 — where does the decimal point go? (a) 28.49 (b) 2.849 (c) 284.9 (d) 0.2849
35. 35.2.5 × 41 — where does the decimal point go? (a) 10.25 (b) 102.5 (c) 1.025 (d) 1025
36. 36.7.6 × 6 — where does the decimal point go? (a) 456 (b) 4.56 (c) 45.6 (d) 0.456
37. 37.5.1 × 2.7 — where does the decimal point go? (a) 13.77 (b) 1.377 (c) 137.7 (d) 0.1377
38. 38.0.92 × 0.9 — where does the decimal point go? (a) 0.00828 (b) 0.828 (c) 0.0828 (d) 8.28
39. 39.7.2 × 0.2 — where does the decimal point go? (a) 0.0144 (b) 1.44 (c) 0.144 (d) 14.4
40. 40.2.3 × 33 — where does the decimal point go? (a) 759 (b) 0.759 (c) 7.59 (d) 75.9

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