Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 482 · 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. 1.0.36 × 14 — where does the decimal point go? (a) 0.0504 (b) 0.504 (c) 50.4 (d) 5.04
2. 2.0.89 × 5 — where does the decimal point go? (a) 0.0445 (b) 4.45 (c) 0.445 (d) 44.5
3. 3.7.7 × 36 — where does the decimal point go? (a) 27.72 (b) 277.2 (c) 2772 (d) 2.772
4. 4.5.2 × 0.8 — where does the decimal point go? (a) 41.6 (b) 4.16 (c) 0.416 (d) 0.0416
5. 5.4.1 × 14 — where does the decimal point go? (a) 5.74 (b) 57.4 (c) 0.574 (d) 574
6. 6.6.3 × 0.2 — where does the decimal point go? (a) 12.6 (b) 0.0126 (c) 0.126 (d) 1.26
7. 7.2.2 × 44 — where does the decimal point go? (a) 0.968 (b) 968 (c) 9.68 (d) 96.8
8. 8.4.4 × 0.7 — where does the decimal point go? (a) 3.08 (b) 0.0308 (c) 30.8 (d) 0.308
9. 9.2.3 × 3 — where does the decimal point go? (a) 69 (b) 6.9 (c) 0.069 (d) 0.69
10. 10.0.14 × 49 — where does the decimal point go? (a) 0.686 (b) 6.86 (c) 68.6 (d) 0.0686
11. 11.2.6 × 0.3 — where does the decimal point go? (a) 7.8 (b) 0.78 (c) 0.0078 (d) 0.078
12. 12.3.8 × 2.4 — where does the decimal point go? (a) 0.0912 (b) 0.912 (c) 91.2 (d) 9.12
13. 13.0.47 × 0.6 — where does the decimal point go? (a) 0.00282 (b) 2.82 (c) 0.0282 (d) 0.282
14. 14.0.81 × 0.4 — where does the decimal point go? (a) 0.0324 (b) 0.324 (c) 3.24 (d) 0.00324
15. 15.0.88 × 0.4 — where does the decimal point go? (a) 3.52 (b) 0.0352 (c) 0.352 (d) 0.00352
16. 16.0.29 × 0.8 — where does the decimal point go? (a) 2.32 (b) 0.00232 (c) 0.232 (d) 0.0232
17. 17.9.9 × 18 — where does the decimal point go? (a) 1782 (b) 178.2 (c) 17.82 (d) 1.782
18. 18.4.2 × 36 — where does the decimal point go? (a) 15.12 (b) 151.2 (c) 1.512 (d) 1512
19. 19.0.97 × 13 — where does the decimal point go? (a) 1.261 (b) 12.61 (c) 126.1 (d) 0.1261
20. 20.0.57 × 47 — where does the decimal point go? (a) 26.79 (b) 0.2679 (c) 267.9 (d) 2.679
21. 21.0.82 × 1.7 — where does the decimal point go? (a) 1.394 (b) 0.01394 (c) 0.1394 (d) 13.94
22. 22.0.95 × 5 — where does the decimal point go? (a) 4.75 (b) 47.5 (c) 0.475 (d) 0.0475
23. 23.6.3 × 0.9 — where does the decimal point go? (a) 5.67 (b) 56.7 (c) 0.0567 (d) 0.567
24. 24.2.1 × 11 — where does the decimal point go? (a) 23.1 (b) 2.31 (c) 0.231 (d) 231
25. 25.2.3 × 2.6 — where does the decimal point go? (a) 0.598 (b) 5.98 (c) 59.8 (d) 0.0598
26. 26.8.5 × 33 — where does the decimal point go? (a) 28.05 (b) 2805 (c) 2.805 (d) 280.5
27. 27.0.66 × 4 — where does the decimal point go? (a) 2.64 (b) 0.264 (c) 26.4 (d) 0.0264
28. 28.8.7 × 6 — where does the decimal point go? (a) 5.22 (b) 522 (c) 52.2 (d) 0.522
29. 29.0.48 × 4.4 — where does the decimal point go? (a) 2.112 (b) 0.2112 (c) 21.12 (d) 0.02112
30. 30.8.9 × 0.9 — where does the decimal point go? (a) 8.01 (b) 0.0801 (c) 80.1 (d) 0.801
31. 31.0.18 × 3 — where does the decimal point go? (a) 5.4 (b) 0.0054 (c) 0.054 (d) 0.54
32. 32.0.79 × 33 — where does the decimal point go? (a) 0.2607 (b) 260.7 (c) 26.07 (d) 2.607
33. 33.7.3 × 0.3 — where does the decimal point go? (a) 21.9 (b) 0.0219 (c) 0.219 (d) 2.19
34. 34.0.73 × 2 — where does the decimal point go? (a) 1.46 (b) 14.6 (c) 0.146 (d) 0.0146
35. 35.8.2 × 6 — where does the decimal point go? (a) 49.2 (b) 0.492 (c) 492 (d) 4.92
36. 36.0.57 × 0.7 — where does the decimal point go? (a) 0.00399 (b) 3.99 (c) 0.0399 (d) 0.399
37. 37.0.81 × 34 — where does the decimal point go? (a) 27.54 (b) 2.754 (c) 275.4 (d) 0.2754
38. 38.8.4 × 0.3 — where does the decimal point go? (a) 0.252 (b) 2.52 (c) 25.2 (d) 0.0252
39. 39.1.3 × 17 — where does the decimal point go? (a) 0.221 (b) 221 (c) 22.1 (d) 2.21
40. 40.0.19 × 19 — where does the decimal point go? (a) 0.361 (b) 3.61 (c) 36.1 (d) 0.0361

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