Decimal Point Trick Worksheet

Maths tricks trick 24: Where does the decimal point go? · Set 882 · 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. 1.9.4 × 28 — where does the decimal point go? (a) 263.2 (b) 2632 (c) 2.632 (d) 26.32
2. 2.2.9 × 8 — where does the decimal point go? (a) 2.32 (b) 232 (c) 0.232 (d) 23.2
3. 3.0.33 × 7 — where does the decimal point go? (a) 0.0231 (b) 2.31 (c) 0.231 (d) 23.1
4. 4.0.18 × 7 — where does the decimal point go? (a) 0.0126 (b) 0.126 (c) 12.6 (d) 1.26
5. 5.0.88 × 3.7 — where does the decimal point go? (a) 0.03256 (b) 0.3256 (c) 3.256 (d) 32.56
6. 6.0.66 × 17 — where does the decimal point go? (a) 0.1122 (b) 112.2 (c) 11.22 (d) 1.122
7. 7.0.77 × 2 — where does the decimal point go? (a) 0.154 (b) 15.4 (c) 1.54 (d) 0.0154
8. 8.8.9 × 6 — where does the decimal point go? (a) 534 (b) 5.34 (c) 0.534 (d) 53.4
9. 9.1.7 × 0.6 — where does the decimal point go? (a) 0.0102 (b) 0.102 (c) 1.02 (d) 10.2
10. 10.7.2 × 4 — where does the decimal point go? (a) 28.8 (b) 288 (c) 0.288 (d) 2.88
11. 11.1.4 × 38 — where does the decimal point go? (a) 53.2 (b) 532 (c) 5.32 (d) 0.532
12. 12.7.3 × 9 — where does the decimal point go? (a) 657 (b) 6.57 (c) 0.657 (d) 65.7
13. 13.7.3 × 29 — where does the decimal point go? (a) 211.7 (b) 2.117 (c) 2117 (d) 21.17
14. 14.6.3 × 2 — where does the decimal point go? (a) 0.126 (b) 12.6 (c) 1.26 (d) 126
15. 15.0.65 × 3 — where does the decimal point go? (a) 0.0195 (b) 0.195 (c) 19.5 (d) 1.95
16. 16.7.4 × 9 — where does the decimal point go? (a) 6.66 (b) 66.6 (c) 0.666 (d) 666
17. 17.0.68 × 44 — where does the decimal point go? (a) 0.2992 (b) 29.92 (c) 2.992 (d) 299.2
18. 18.0.29 × 0.6 — where does the decimal point go? (a) 1.74 (b) 0.174 (c) 0.0174 (d) 0.00174
19. 19.5.7 × 3.4 — where does the decimal point go? (a) 193.8 (b) 0.1938 (c) 19.38 (d) 1.938
20. 20.0.22 × 23 — where does the decimal point go? (a) 0.0506 (b) 0.506 (c) 50.6 (d) 5.06
21. 21.1.2 × 0.3 — where does the decimal point go? (a) 0.036 (b) 0.0036 (c) 3.6 (d) 0.36
22. 22.0.98 × 0.4 — where does the decimal point go? (a) 3.92 (b) 0.00392 (c) 0.392 (d) 0.0392
23. 23.0.33 × 5 — where does the decimal point go? (a) 1.65 (b) 16.5 (c) 0.0165 (d) 0.165
24. 24.0.18 × 6 — where does the decimal point go? (a) 1.08 (b) 0.108 (c) 0.0108 (d) 10.8
25. 25.0.44 × 0.2 — where does the decimal point go? (a) 0.088 (b) 0.0088 (c) 0.88 (d) 0.00088
26. 26.4.2 × 0.6 — where does the decimal point go? (a) 0.0252 (b) 25.2 (c) 0.252 (d) 2.52
27. 27.0.89 × 2 — where does the decimal point go? (a) 17.8 (b) 1.78 (c) 0.0178 (d) 0.178
28. 28.0.38 × 4 — where does the decimal point go? (a) 0.0152 (b) 0.152 (c) 15.2 (d) 1.52
29. 29.0.68 × 1.4 — where does the decimal point go? (a) 9.52 (b) 0.952 (c) 0.00952 (d) 0.0952
30. 30.3.5 × 1.5 — where does the decimal point go? (a) 0.525 (b) 52.5 (c) 5.25 (d) 0.0525
31. 31.0.42 × 12 — where does the decimal point go? (a) 50.4 (b) 0.504 (c) 0.0504 (d) 5.04
32. 32.0.93 × 0.2 — where does the decimal point go? (a) 0.186 (b) 1.86 (c) 0.0186 (d) 0.00186
33. 33.5.3 × 48 — where does the decimal point go? (a) 25.44 (b) 2544 (c) 254.4 (d) 2.544
34. 34.7.1 × 12 — where does the decimal point go? (a) 8.52 (b) 85.2 (c) 0.852 (d) 852
35. 35.1.9 × 0.9 — where does the decimal point go? (a) 0.171 (b) 0.0171 (c) 1.71 (d) 17.1
36. 36.1.4 × 16 — where does the decimal point go? (a) 0.224 (b) 2.24 (c) 224 (d) 22.4
37. 37.9.3 × 4.4 — where does the decimal point go? (a) 40.92 (b) 4.092 (c) 409.2 (d) 0.4092
38. 38.8.9 × 0.9 — where does the decimal point go? (a) 0.801 (b) 0.0801 (c) 8.01 (d) 80.1
39. 39.0.84 × 7 — where does the decimal point go? (a) 58.8 (b) 0.588 (c) 0.0588 (d) 5.88
40. 40.0.83 × 1.5 — where does the decimal point go? (a) 1.245 (b) 0.1245 (c) 12.45 (d) 0.01245

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