Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 967 · 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. 1.4.3 × 0.6 — where does the decimal point go? (a) 0.0258 (b) 0.258 (c) 25.8 (d) 2.58
2. 2.9.1 × 16 — where does the decimal point go? (a) 145.6 (b) 1456 (c) 14.56 (d) 1.456
3. 3.6.3 × 0.5 — where does the decimal point go? (a) 3.15 (b) 0.0315 (c) 0.315 (d) 31.5
4. 4.0.44 × 22 — where does the decimal point go? (a) 0.968 (b) 9.68 (c) 96.8 (d) 0.0968
5. 5.2.6 × 9 — where does the decimal point go? (a) 23.4 (b) 0.234 (c) 2.34 (d) 234
6. 6.0.81 × 0.2 — where does the decimal point go? (a) 0.0162 (b) 1.62 (c) 0.162 (d) 0.00162
7. 7.6.8 × 41 — where does the decimal point go? (a) 2.788 (b) 278.8 (c) 2788 (d) 27.88
8. 8.0.14 × 0.7 — where does the decimal point go? (a) 0.098 (b) 0.0098 (c) 0.00098 (d) 0.98
9. 9.0.84 × 0.2 — where does the decimal point go? (a) 1.68 (b) 0.0168 (c) 0.168 (d) 0.00168
10. 10.5.8 × 2.7 — where does the decimal point go? (a) 0.1566 (b) 156.6 (c) 15.66 (d) 1.566
11. 11.1.6 × 8 — where does the decimal point go? (a) 0.128 (b) 12.8 (c) 1.28 (d) 128
12. 12.0.14 × 0.6 — where does the decimal point go? (a) 0.084 (b) 0.84 (c) 0.0084 (d) 0.00084
13. 13.9.8 × 4.1 — where does the decimal point go? (a) 0.4018 (b) 4.018 (c) 40.18 (d) 401.8
14. 14.8.2 × 46 — where does the decimal point go? (a) 37.72 (b) 3.772 (c) 3772 (d) 377.2
15. 15.7.8 × 36 — where does the decimal point go? (a) 2.808 (b) 2808 (c) 28.08 (d) 280.8
16. 16.0.38 × 0.6 — where does the decimal point go? (a) 0.00228 (b) 2.28 (c) 0.228 (d) 0.0228
17. 17.6.6 × 1.3 — where does the decimal point go? (a) 8.58 (b) 0.0858 (c) 0.858 (d) 85.8
18. 18.8.7 × 12 — where does the decimal point go? (a) 1.044 (b) 1044 (c) 104.4 (d) 10.44
19. 19.2.7 × 3.5 — where does the decimal point go? (a) 0.0945 (b) 0.945 (c) 94.5 (d) 9.45
20. 20.7.3 × 0.5 — where does the decimal point go? (a) 3.65 (b) 36.5 (c) 0.0365 (d) 0.365
21. 21.0.66 × 1.2 — where does the decimal point go? (a) 0.00792 (b) 0.792 (c) 0.0792 (d) 7.92
22. 22.6.6 × 1.4 — where does the decimal point go? (a) 9.24 (b) 0.0924 (c) 0.924 (d) 92.4
23. 23.0.58 × 39 — where does the decimal point go? (a) 226.2 (b) 22.62 (c) 2.262 (d) 0.2262
24. 24.7.7 × 0.2 — where does the decimal point go? (a) 1.54 (b) 0.154 (c) 0.0154 (d) 15.4
25. 25.0.76 × 4.4 — where does the decimal point go? (a) 33.44 (b) 0.3344 (c) 3.344 (d) 0.03344
26. 26.0.26 × 6 — where does the decimal point go? (a) 15.6 (b) 1.56 (c) 0.0156 (d) 0.156
27. 27.9.1 × 37 — where does the decimal point go? (a) 3.367 (b) 33.67 (c) 3367 (d) 336.7
28. 28.0.54 × 1.6 — where does the decimal point go? (a) 0.0864 (b) 0.864 (c) 8.64 (d) 0.00864
29. 29.3.8 × 0.6 — where does the decimal point go? (a) 2.28 (b) 0.0228 (c) 0.228 (d) 22.8
30. 30.8.6 × 0.7 — where does the decimal point go? (a) 0.0602 (b) 60.2 (c) 0.602 (d) 6.02
31. 31.2.9 × 3.6 — where does the decimal point go? (a) 104.4 (b) 1.044 (c) 0.1044 (d) 10.44
32. 32.6.8 × 7 — where does the decimal point go? (a) 476 (b) 4.76 (c) 0.476 (d) 47.6
33. 33.1.9 × 2.6 — where does the decimal point go? (a) 4.94 (b) 0.0494 (c) 0.494 (d) 49.4
34. 34.3.3 × 2.6 — where does the decimal point go? (a) 0.858 (b) 0.0858 (c) 85.8 (d) 8.58
35. 35.0.57 × 12 — where does the decimal point go? (a) 6.84 (b) 0.0684 (c) 0.684 (d) 68.4
36. 36.5.1 × 9 — where does the decimal point go? (a) 45.9 (b) 459 (c) 0.459 (d) 4.59
37. 37.0.88 × 0.6 — where does the decimal point go? (a) 0.00528 (b) 5.28 (c) 0.528 (d) 0.0528
38. 38.4.2 × 3 — where does the decimal point go? (a) 1.26 (b) 126 (c) 12.6 (d) 0.126
39. 39.0.26 × 0.2 — where does the decimal point go? (a) 0.052 (b) 0.52 (c) 0.00052 (d) 0.0052
40. 40.4.9 × 0.7 — where does the decimal point go? (a) 3.43 (b) 0.343 (c) 34.3 (d) 0.0343

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