Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 503 · 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. 1.4.8 × 28 — where does the decimal point go? (a) 1344 (b) 1.344 (c) 13.44 (d) 134.4
2. 2.2.8 × 3.2 — where does the decimal point go? (a) 0.896 (b) 89.6 (c) 8.96 (d) 0.0896
3. 3.0.35 × 17 — where does the decimal point go? (a) 0.595 (b) 0.0595 (c) 5.95 (d) 59.5
4. 4.0.23 × 6 — where does the decimal point go? (a) 1.38 (b) 0.138 (c) 13.8 (d) 0.0138
5. 5.5.8 × 31 — where does the decimal point go? (a) 179.8 (b) 1.798 (c) 1798 (d) 17.98
6. 6.0.98 × 3 — where does the decimal point go? (a) 29.4 (b) 0.0294 (c) 0.294 (d) 2.94
7. 7.0.65 × 15 — where does the decimal point go? (a) 0.975 (b) 9.75 (c) 97.5 (d) 0.0975
8. 8.5.9 × 6 — where does the decimal point go? (a) 35.4 (b) 3.54 (c) 354 (d) 0.354
9. 9.0.93 × 3.7 — where does the decimal point go? (a) 0.03441 (b) 3.441 (c) 34.41 (d) 0.3441
10. 10.0.67 × 4.5 — where does the decimal point go? (a) 0.03015 (b) 3.015 (c) 0.3015 (d) 30.15
11. 11.8.4 × 7 — where does the decimal point go? (a) 58.8 (b) 0.588 (c) 588 (d) 5.88
12. 12.3.8 × 6 — where does the decimal point go? (a) 2.28 (b) 228 (c) 22.8 (d) 0.228
13. 13.0.46 × 1.4 — where does the decimal point go? (a) 0.644 (b) 0.00644 (c) 6.44 (d) 0.0644
14. 14.4.9 × 6 — where does the decimal point go? (a) 29.4 (b) 2.94 (c) 0.294 (d) 294
15. 15.6.3 × 3 — where does the decimal point go? (a) 0.189 (b) 189 (c) 1.89 (d) 18.9
16. 16.0.14 × 0.8 — where does the decimal point go? (a) 1.12 (b) 0.00112 (c) 0.112 (d) 0.0112
17. 17.0.62 × 48 — where does the decimal point go? (a) 0.2976 (b) 297.6 (c) 29.76 (d) 2.976
18. 18.8.3 × 1.2 — where does the decimal point go? (a) 99.6 (b) 9.96 (c) 0.996 (d) 0.0996
19. 19.4.4 × 46 — where does the decimal point go? (a) 2.024 (b) 2024 (c) 202.4 (d) 20.24
20. 20.0.83 × 0.5 — where does the decimal point go? (a) 0.415 (b) 0.0415 (c) 4.15 (d) 0.00415
21. 21.3.3 × 4.3 — where does the decimal point go? (a) 1.419 (b) 141.9 (c) 0.1419 (d) 14.19
22. 22.0.56 × 2.4 — where does the decimal point go? (a) 1.344 (b) 0.01344 (c) 13.44 (d) 0.1344
23. 23.0.98 × 6 — where does the decimal point go? (a) 5.88 (b) 0.588 (c) 58.8 (d) 0.0588
24. 24.0.88 × 0.9 — where does the decimal point go? (a) 7.92 (b) 0.792 (c) 0.00792 (d) 0.0792
25. 25.7.3 × 15 — where does the decimal point go? (a) 1.095 (b) 109.5 (c) 1095 (d) 10.95
26. 26.0.77 × 4.8 — where does the decimal point go? (a) 0.3696 (b) 36.96 (c) 0.03696 (d) 3.696
27. 27.1.9 × 2.3 — where does the decimal point go? (a) 4.37 (b) 0.437 (c) 0.0437 (d) 43.7
28. 28.0.76 × 19 — where does the decimal point go? (a) 14.44 (b) 0.1444 (c) 1.444 (d) 144.4
29. 29.0.33 × 2 — where does the decimal point go? (a) 0.0066 (b) 0.66 (c) 6.6 (d) 0.066
30. 30.5.3 × 3 — where does the decimal point go? (a) 15.9 (b) 0.159 (c) 1.59 (d) 159
31. 31.7.6 × 38 — where does the decimal point go? (a) 288.8 (b) 28.88 (c) 2888 (d) 2.888
32. 32.2.7 × 0.3 — where does the decimal point go? (a) 8.1 (b) 0.081 (c) 0.81 (d) 0.0081
33. 33.0.15 × 2.7 — where does the decimal point go? (a) 0.405 (b) 0.00405 (c) 4.05 (d) 0.0405
34. 34.0.49 × 4.2 — where does the decimal point go? (a) 0.02058 (b) 20.58 (c) 0.2058 (d) 2.058
35. 35.3.3 × 46 — where does the decimal point go? (a) 1518 (b) 1.518 (c) 151.8 (d) 15.18
36. 36.0.59 × 0.5 — where does the decimal point go? (a) 0.0295 (b) 0.00295 (c) 0.295 (d) 2.95
37. 37.0.61 × 44 — where does the decimal point go? (a) 2.684 (b) 268.4 (c) 0.2684 (d) 26.84
38. 38.0.87 × 0.3 — where does the decimal point go? (a) 0.261 (b) 0.00261 (c) 0.0261 (d) 2.61
39. 39.0.13 × 0.2 — where does the decimal point go? (a) 0.0026 (b) 0.26 (c) 0.026 (d) 0.00026
40. 40.3.7 × 3.2 — where does the decimal point go? (a) 0.1184 (b) 118.4 (c) 1.184 (d) 11.84

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