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Calculate percentages with mental math - video from Math Mammoth

Learn to calculate a certain percent of a number using mental math. Once you can find 10% and 1% of any number, you can use those to find other percentages.  
 
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MrPilarski (4 days ago) Show Hide
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This is a really good video on percents. You did a great job of explaining using percents with money.
DearBalak (2 weeks ago) Show Hide
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Welcome to youtube!
I've used your workbooks to help my kids with math & appreciate the excellent pedagogy.
Keep up the good work :)

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