Parent Mathing Tip #10: Measurement
These tips give parents ideas for math exercises that will develop their child's math abilities. Today’s parent tip for “mathing” with your child focuses on measurement.
Welcome to Mathnasium's Math Tricks! Here's a trick to calculate percentages using the commutative property of multiplication. Let's do this! ?
To find 48% of 50 means to multiply 48 x [latex]\frac{1}{100}[/latex] x 50.
We can use the commutative property of multiplication and rearrange to 50 x [latex] \frac {1}{100}[/latex] x 48, which is the special percent calculation, 50% of 48.
Now, we just find half of 48. Since 50% of 48 is 24, we know
48% of 50 = 24.
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