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BEGINNERMental Math
Quick Percentage Calculations
Master the art of calculating percentages mentally using simple breakdowns
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Break percentages into easy parts that you can calculate mentally.
How It Works
0
10% โ Divide by 10 (move decimal left)
1
5% โ Half of 10%
2
15% โ 10% + 5%
3
20% โ 10% ร 2
4
25% โ Divide by 4
5
33.33% โ Divide by 3
6
50% โ Divide by 2
7
1% โ Divide by 100
Examples
๐ 15% of 240: 10%=24, 5%=12, Total=36
๐ 25% of 80: 80รท4=20
Pro Tips
๐ก For any percentage, break it into 10%, 5%, and 1% parts!
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