Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 634 · 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. 1.0.69 × 38 — where does the decimal point go? (a) 26.22 (b) 2.622 (c) 0.2622 (d) 262.2
2. 2.1.3 × 0.5 — where does the decimal point go? (a) 0.65 (b) 0.0065 (c) 0.065 (d) 6.5
3. 3.3.4 × 1.8 — where does the decimal point go? (a) 61.2 (b) 0.0612 (c) 0.612 (d) 6.12
4. 4.1.8 × 0.6 — where does the decimal point go? (a) 10.8 (b) 0.0108 (c) 0.108 (d) 1.08
5. 5.8.6 × 41 — where does the decimal point go? (a) 35.26 (b) 3526 (c) 3.526 (d) 352.6
6. 6.8.2 × 33 — where does the decimal point go? (a) 2706 (b) 270.6 (c) 2.706 (d) 27.06
7. 7.2.7 × 0.7 — where does the decimal point go? (a) 0.189 (b) 0.0189 (c) 1.89 (d) 18.9
8. 8.9.4 × 1.4 — where does the decimal point go? (a) 1.316 (b) 13.16 (c) 131.6 (d) 0.1316
9. 9.9.9 × 9 — where does the decimal point go? (a) 0.891 (b) 891 (c) 89.1 (d) 8.91
10. 10.7.7 × 8 — where does the decimal point go? (a) 0.616 (b) 616 (c) 61.6 (d) 6.16
11. 11.4.1 × 0.2 — where does the decimal point go? (a) 0.082 (b) 8.2 (c) 0.82 (d) 0.0082
12. 12.9.3 × 0.4 — where does the decimal point go? (a) 0.372 (b) 37.2 (c) 3.72 (d) 0.0372
13. 13.0.85 × 3 — where does the decimal point go? (a) 2.55 (b) 0.0255 (c) 0.255 (d) 25.5
14. 14.6.4 × 4 — where does the decimal point go? (a) 2.56 (b) 25.6 (c) 0.256 (d) 256
15. 15.6.2 × 4.8 — where does the decimal point go? (a) 29.76 (b) 0.2976 (c) 297.6 (d) 2.976
16. 16.6.4 × 2.2 — where does the decimal point go? (a) 1.408 (b) 0.1408 (c) 14.08 (d) 140.8
17. 17.4.9 × 0.4 — where does the decimal point go? (a) 0.196 (b) 19.6 (c) 0.0196 (d) 1.96
18. 18.0.16 × 0.7 — where does the decimal point go? (a) 1.12 (b) 0.112 (c) 0.00112 (d) 0.0112
19. 19.7.6 × 4 — where does the decimal point go? (a) 30.4 (b) 3.04 (c) 0.304 (d) 304
20. 20.0.18 × 0.6 — where does the decimal point go? (a) 0.108 (b) 0.0108 (c) 1.08 (d) 0.00108
21. 21.0.59 × 0.6 — where does the decimal point go? (a) 0.354 (b) 0.0354 (c) 0.00354 (d) 3.54
22. 22.6.3 × 0.7 — where does the decimal point go? (a) 4.41 (b) 0.0441 (c) 44.1 (d) 0.441
23. 23.9.4 × 2 — where does the decimal point go? (a) 1.88 (b) 0.188 (c) 188 (d) 18.8
24. 24.3.7 × 43 — where does the decimal point go? (a) 159.1 (b) 1.591 (c) 1591 (d) 15.91
25. 25.2.8 × 8 — where does the decimal point go? (a) 2.24 (b) 224 (c) 0.224 (d) 22.4
26. 26.0.42 × 44 — where does the decimal point go? (a) 0.1848 (b) 18.48 (c) 1.848 (d) 184.8
27. 27.1.3 × 34 — where does the decimal point go? (a) 4.42 (b) 44.2 (c) 442 (d) 0.442
28. 28.0.58 × 48 — where does the decimal point go? (a) 2.784 (b) 27.84 (c) 0.2784 (d) 278.4
29. 29.0.65 × 0.7 — where does the decimal point go? (a) 4.55 (b) 0.0455 (c) 0.00455 (d) 0.455
30. 30.3.3 × 0.8 — where does the decimal point go? (a) 26.4 (b) 0.0264 (c) 0.264 (d) 2.64
31. 31.3.1 × 5 — where does the decimal point go? (a) 1.55 (b) 155 (c) 15.5 (d) 0.155
32. 32.0.64 × 1.7 — where does the decimal point go? (a) 0.1088 (b) 1.088 (c) 0.01088 (d) 10.88
33. 33.5.4 × 1.6 — where does the decimal point go? (a) 0.0864 (b) 86.4 (c) 8.64 (d) 0.864
34. 34.9.9 × 0.6 — where does the decimal point go? (a) 0.0594 (b) 59.4 (c) 5.94 (d) 0.594
35. 35.4.6 × 0.9 — where does the decimal point go? (a) 0.0414 (b) 0.414 (c) 4.14 (d) 41.4
36. 36.0.48 × 14 — where does the decimal point go? (a) 0.0672 (b) 0.672 (c) 6.72 (d) 67.2
37. 37.5.2 × 3.1 — where does the decimal point go? (a) 161.2 (b) 1.612 (c) 16.12 (d) 0.1612
38. 38.3.7 × 3.9 — where does the decimal point go? (a) 14.43 (b) 0.1443 (c) 144.3 (d) 1.443
39. 39.4.4 × 4 — where does the decimal point go? (a) 0.176 (b) 17.6 (c) 1.76 (d) 176
40. 40.5.1 × 4 — where does the decimal point go? (a) 204 (b) 2.04 (c) 0.204 (d) 20.4

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