Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 88 · 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. 1.0.97 × 6 — where does the decimal point go? (a) 5.82 (b) 0.582 (c) 58.2 (d) 0.0582
2. 2.3.4 × 13 — where does the decimal point go? (a) 0.442 (b) 4.42 (c) 442 (d) 44.2
3. 3.9.1 × 0.6 — where does the decimal point go? (a) 0.546 (b) 54.6 (c) 5.46 (d) 0.0546
4. 4.7.7 × 45 — where does the decimal point go? (a) 3465 (b) 34.65 (c) 3.465 (d) 346.5
5. 5.0.45 × 0.7 — where does the decimal point go? (a) 3.15 (b) 0.315 (c) 0.00315 (d) 0.0315
6. 6.6.8 × 2.1 — where does the decimal point go? (a) 1.428 (b) 0.1428 (c) 14.28 (d) 142.8
7. 7.0.35 × 3.1 — where does the decimal point go? (a) 10.85 (b) 0.01085 (c) 1.085 (d) 0.1085
8. 8.0.82 × 32 — where does the decimal point go? (a) 2.624 (b) 26.24 (c) 262.4 (d) 0.2624
9. 9.9.8 × 22 — where does the decimal point go? (a) 2.156 (b) 215.6 (c) 2156 (d) 21.56
10. 10.0.32 × 4 — where does the decimal point go? (a) 0.128 (b) 0.0128 (c) 12.8 (d) 1.28
11. 11.0.76 × 1.6 — where does the decimal point go? (a) 1.216 (b) 0.1216 (c) 0.01216 (d) 12.16
12. 12.0.12 × 6 — where does the decimal point go? (a) 7.2 (b) 0.0072 (c) 0.072 (d) 0.72
13. 13.4.5 × 5 — where does the decimal point go? (a) 0.225 (b) 2.25 (c) 22.5 (d) 225
14. 14.3.8 × 13 — where does the decimal point go? (a) 0.494 (b) 494 (c) 4.94 (d) 49.4
15. 15.0.96 × 4 — where does the decimal point go? (a) 3.84 (b) 0.384 (c) 0.0384 (d) 38.4
16. 16.1.3 × 26 — where does the decimal point go? (a) 33.8 (b) 3.38 (c) 0.338 (d) 338
17. 17.0.36 × 3.6 — where does the decimal point go? (a) 0.1296 (b) 1.296 (c) 0.01296 (d) 12.96
18. 18.0.68 × 0.9 — where does the decimal point go? (a) 0.612 (b) 0.00612 (c) 6.12 (d) 0.0612
19. 19.3.8 × 2.6 — where does the decimal point go? (a) 0.988 (b) 98.8 (c) 9.88 (d) 0.0988
20. 20.0.46 × 11 — where does the decimal point go? (a) 5.06 (b) 0.0506 (c) 50.6 (d) 0.506
21. 21.5.6 × 3.7 — where does the decimal point go? (a) 207.2 (b) 2.072 (c) 20.72 (d) 0.2072
22. 22.0.37 × 1.6 — where does the decimal point go? (a) 5.92 (b) 0.0592 (c) 0.00592 (d) 0.592
23. 23.0.97 × 3 — where does the decimal point go? (a) 0.291 (b) 0.0291 (c) 29.1 (d) 2.91
24. 24.4.3 × 36 — where does the decimal point go? (a) 1.548 (b) 1548 (c) 15.48 (d) 154.8
25. 25.6.1 × 0.3 — where does the decimal point go? (a) 1.83 (b) 0.183 (c) 0.0183 (d) 18.3
26. 26.0.77 × 0.2 — where does the decimal point go? (a) 0.00154 (b) 0.0154 (c) 0.154 (d) 1.54
27. 27.0.57 × 4.6 — where does the decimal point go? (a) 2.622 (b) 26.22 (c) 0.02622 (d) 0.2622
28. 28.0.87 × 43 — where does the decimal point go? (a) 374.1 (b) 3.741 (c) 0.3741 (d) 37.41
29. 29.0.48 × 1.1 — where does the decimal point go? (a) 0.00528 (b) 0.528 (c) 5.28 (d) 0.0528
30. 30.0.87 × 15 — where does the decimal point go? (a) 1.305 (b) 0.1305 (c) 130.5 (d) 13.05
31. 31.0.31 × 32 — where does the decimal point go? (a) 99.2 (b) 0.992 (c) 0.0992 (d) 9.92
32. 32.8.6 × 0.3 — where does the decimal point go? (a) 2.58 (b) 0.0258 (c) 0.258 (d) 25.8
33. 33.0.87 × 3.9 — where does the decimal point go? (a) 3.393 (b) 0.3393 (c) 0.03393 (d) 33.93
34. 34.3.2 × 49 — where does the decimal point go? (a) 15.68 (b) 1.568 (c) 1568 (d) 156.8
35. 35.0.88 × 3.1 — where does the decimal point go? (a) 2.728 (b) 0.2728 (c) 0.02728 (d) 27.28
36. 36.5.6 × 4 — where does the decimal point go? (a) 22.4 (b) 0.224 (c) 224 (d) 2.24
37. 37.5.6 × 19 — where does the decimal point go? (a) 10.64 (b) 1.064 (c) 1064 (d) 106.4
38. 38.0.12 × 27 — where does the decimal point go? (a) 0.324 (b) 3.24 (c) 0.0324 (d) 32.4
39. 39.0.67 × 1.3 — where does the decimal point go? (a) 8.71 (b) 0.0871 (c) 0.00871 (d) 0.871
40. 40.7.5 × 27 — where does the decimal point go? (a) 20.25 (b) 2.025 (c) 202.5 (d) 2025

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