Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 328 · 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. 1.3.1 × 3.4 — where does the decimal point go? (a) 1.054 (b) 10.54 (c) 0.1054 (d) 105.4
2. 2.0.66 × 11 — where does the decimal point go? (a) 0.0726 (b) 0.726 (c) 72.6 (d) 7.26
3. 3.4.1 × 4.8 — where does the decimal point go? (a) 1.968 (b) 0.1968 (c) 19.68 (d) 196.8
4. 4.2.4 × 4 — where does the decimal point go? (a) 0.096 (b) 96 (c) 0.96 (d) 9.6
5. 5.7.9 × 0.5 — where does the decimal point go? (a) 39.5 (b) 0.0395 (c) 3.95 (d) 0.395
6. 6.6.7 × 22 — where does the decimal point go? (a) 1474 (b) 147.4 (c) 1.474 (d) 14.74
7. 7.0.27 × 35 — where does the decimal point go? (a) 94.5 (b) 0.0945 (c) 0.945 (d) 9.45
8. 8.0.73 × 23 — where does the decimal point go? (a) 16.79 (b) 1.679 (c) 0.1679 (d) 167.9
9. 9.0.61 × 2.3 — where does the decimal point go? (a) 1.403 (b) 14.03 (c) 0.1403 (d) 0.01403
10. 10.9.5 × 3 — where does the decimal point go? (a) 28.5 (b) 2.85 (c) 0.285 (d) 285
11. 11.5.3 × 1.2 — where does the decimal point go? (a) 63.6 (b) 0.0636 (c) 0.636 (d) 6.36
12. 12.6.7 × 2.8 — where does the decimal point go? (a) 18.76 (b) 0.1876 (c) 1.876 (d) 187.6
13. 13.0.61 × 4.6 — where does the decimal point go? (a) 28.06 (b) 2.806 (c) 0.02806 (d) 0.2806
14. 14.0.19 × 0.3 — where does the decimal point go? (a) 0.00057 (b) 0.0057 (c) 0.057 (d) 0.57
15. 15.0.36 × 4.9 — where does the decimal point go? (a) 1.764 (b) 0.1764 (c) 0.01764 (d) 17.64
16. 16.2.5 × 0.9 — where does the decimal point go? (a) 0.0225 (b) 2.25 (c) 0.225 (d) 22.5
17. 17.7.1 × 3.6 — where does the decimal point go? (a) 255.6 (b) 2.556 (c) 0.2556 (d) 25.56
18. 18.4.4 × 2 — where does the decimal point go? (a) 8.8 (b) 0.88 (c) 88 (d) 0.088
19. 19.0.87 × 4.9 — where does the decimal point go? (a) 42.63 (b) 4.263 (c) 0.4263 (d) 0.04263
20. 20.4.1 × 0.3 — where does the decimal point go? (a) 0.0123 (b) 1.23 (c) 0.123 (d) 12.3
21. 21.1.4 × 4 — where does the decimal point go? (a) 56 (b) 0.56 (c) 5.6 (d) 0.056
22. 22.0.31 × 37 — where does the decimal point go? (a) 114.7 (b) 11.47 (c) 1.147 (d) 0.1147
23. 23.0.33 × 3 — where does the decimal point go? (a) 0.099 (b) 0.0099 (c) 9.9 (d) 0.99
24. 24.6.5 × 43 — where does the decimal point go? (a) 2795 (b) 2.795 (c) 27.95 (d) 279.5
25. 25.0.43 × 0.2 — where does the decimal point go? (a) 0.0086 (b) 0.00086 (c) 0.086 (d) 0.86
26. 26.0.68 × 0.9 — where does the decimal point go? (a) 6.12 (b) 0.612 (c) 0.0612 (d) 0.00612
27. 27.6.6 × 4.4 — where does the decimal point go? (a) 29.04 (b) 2.904 (c) 0.2904 (d) 290.4
28. 28.0.33 × 49 — where does the decimal point go? (a) 1.617 (b) 16.17 (c) 161.7 (d) 0.1617
29. 29.7.3 × 17 — where does the decimal point go? (a) 1.241 (b) 1241 (c) 12.41 (d) 124.1
30. 30.9.2 × 0.3 — where does the decimal point go? (a) 2.76 (b) 0.0276 (c) 0.276 (d) 27.6
31. 31.0.65 × 0.3 — where does the decimal point go? (a) 0.195 (b) 0.00195 (c) 0.0195 (d) 1.95
32. 32.0.37 × 0.2 — where does the decimal point go? (a) 0.0074 (b) 0.74 (c) 0.00074 (d) 0.074
33. 33.0.23 × 31 — where does the decimal point go? (a) 71.3 (b) 7.13 (c) 0.0713 (d) 0.713
34. 34.4.2 × 7 — where does the decimal point go? (a) 2.94 (b) 0.294 (c) 294 (d) 29.4
35. 35.0.94 × 4.4 — where does the decimal point go? (a) 4.136 (b) 0.4136 (c) 0.04136 (d) 41.36
36. 36.6.1 × 4 — where does the decimal point go? (a) 0.244 (b) 2.44 (c) 244 (d) 24.4
37. 37.0.48 × 4 — where does the decimal point go? (a) 0.192 (b) 19.2 (c) 1.92 (d) 0.0192
38. 38.0.26 × 48 — where does the decimal point go? (a) 12.48 (b) 1.248 (c) 124.8 (d) 0.1248
39. 39.0.92 × 36 — where does the decimal point go? (a) 0.3312 (b) 331.2 (c) 3.312 (d) 33.12
40. 40.2.6 × 26 — where does the decimal point go? (a) 6.76 (b) 0.676 (c) 676 (d) 67.6

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