Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 884 · 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. 1.0.93 × 4.9 — where does the decimal point go? (a) 4.557 (b) 0.04557 (c) 45.57 (d) 0.4557
2. 2.0.48 × 0.4 — where does the decimal point go? (a) 0.0192 (b) 0.192 (c) 1.92 (d) 0.00192
3. 3.7.7 × 0.9 — where does the decimal point go? (a) 6.93 (b) 69.3 (c) 0.0693 (d) 0.693
4. 4.0.53 × 11 — where does the decimal point go? (a) 58.3 (b) 5.83 (c) 0.583 (d) 0.0583
5. 5.0.16 × 0.3 — where does the decimal point go? (a) 0.00048 (b) 0.48 (c) 0.0048 (d) 0.048
6. 6.0.29 × 18 — where does the decimal point go? (a) 52.2 (b) 0.0522 (c) 5.22 (d) 0.522
7. 7.2.6 × 0.4 — where does the decimal point go? (a) 10.4 (b) 0.0104 (c) 1.04 (d) 0.104
8. 8.8.2 × 0.2 — where does the decimal point go? (a) 0.0164 (b) 1.64 (c) 16.4 (d) 0.164
9. 9.4.9 × 4.9 — where does the decimal point go? (a) 0.2401 (b) 2.401 (c) 240.1 (d) 24.01
10. 10.0.21 × 37 — where does the decimal point go? (a) 7.77 (b) 0.777 (c) 0.0777 (d) 77.7
11. 11.0.31 × 0.8 — where does the decimal point go? (a) 0.248 (b) 0.0248 (c) 2.48 (d) 0.00248
12. 12.1.4 × 41 — where does the decimal point go? (a) 0.574 (b) 574 (c) 5.74 (d) 57.4
13. 13.3.6 × 0.4 — where does the decimal point go? (a) 1.44 (b) 0.0144 (c) 14.4 (d) 0.144
14. 14.0.85 × 17 — where does the decimal point go? (a) 144.5 (b) 0.1445 (c) 14.45 (d) 1.445
15. 15.0.34 × 0.3 — where does the decimal point go? (a) 0.0102 (b) 0.00102 (c) 1.02 (d) 0.102
16. 16.0.41 × 7 — where does the decimal point go? (a) 28.7 (b) 0.287 (c) 0.0287 (d) 2.87
17. 17.6.2 × 38 — where does the decimal point go? (a) 235.6 (b) 2356 (c) 23.56 (d) 2.356
18. 18.1.7 × 6 — where does the decimal point go? (a) 1.02 (b) 0.102 (c) 10.2 (d) 102
19. 19.0.37 × 0.3 — where does the decimal point go? (a) 0.0111 (b) 0.111 (c) 1.11 (d) 0.00111
20. 20.1.7 × 0.2 — where does the decimal point go? (a) 0.034 (b) 3.4 (c) 0.0034 (d) 0.34
21. 21.0.93 × 0.4 — where does the decimal point go? (a) 0.372 (b) 0.00372 (c) 3.72 (d) 0.0372
22. 22.3.3 × 4.2 — where does the decimal point go? (a) 1.386 (b) 13.86 (c) 0.1386 (d) 138.6
23. 23.0.39 × 3.1 — where does the decimal point go? (a) 0.01209 (b) 12.09 (c) 1.209 (d) 0.1209
24. 24.7.4 × 0.7 — where does the decimal point go? (a) 0.518 (b) 51.8 (c) 5.18 (d) 0.0518
25. 25.1.7 × 41 — where does the decimal point go? (a) 69.7 (b) 6.97 (c) 697 (d) 0.697
26. 26.1.3 × 0.6 — where does the decimal point go? (a) 0.78 (b) 0.0078 (c) 0.078 (d) 7.8
27. 27.0.68 × 6 — where does the decimal point go? (a) 0.0408 (b) 0.408 (c) 40.8 (d) 4.08
28. 28.3.3 × 3.7 — where does the decimal point go? (a) 0.1221 (b) 122.1 (c) 1.221 (d) 12.21
29. 29.0.19 × 28 — where does the decimal point go? (a) 0.532 (b) 5.32 (c) 0.0532 (d) 53.2
30. 30.0.27 × 17 — where does the decimal point go? (a) 0.459 (b) 0.0459 (c) 4.59 (d) 45.9
31. 31.2.8 × 24 — where does the decimal point go? (a) 0.672 (b) 67.2 (c) 672 (d) 6.72
32. 32.0.79 × 7 — where does the decimal point go? (a) 55.3 (b) 0.0553 (c) 5.53 (d) 0.553
33. 33.2.1 × 37 — where does the decimal point go? (a) 0.777 (b) 777 (c) 7.77 (d) 77.7
34. 34.0.41 × 2.8 — where does the decimal point go? (a) 0.1148 (b) 1.148 (c) 11.48 (d) 0.01148
35. 35.4.3 × 7 — where does the decimal point go? (a) 0.301 (b) 30.1 (c) 3.01 (d) 301
36. 36.9.6 × 33 — where does the decimal point go? (a) 3168 (b) 316.8 (c) 31.68 (d) 3.168
37. 37.0.13 × 0.7 — where does the decimal point go? (a) 0.0091 (b) 0.091 (c) 0.00091 (d) 0.91
38. 38.0.66 × 3.1 — where does the decimal point go? (a) 0.02046 (b) 0.2046 (c) 2.046 (d) 20.46
39. 39.6.3 × 0.6 — where does the decimal point go? (a) 0.378 (b) 3.78 (c) 0.0378 (d) 37.8
40. 40.8.6 × 2.8 — where does the decimal point go? (a) 24.08 (b) 240.8 (c) 0.2408 (d) 2.408

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