Fraction Multiplication and Area
10th Grade · Math · 45 min· 5.nf.b.4
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Learning Objective
I can find the area of rectangles with fractional side lengths by tiling the area with rectangles with side lengths that are unit fractions. I csn find the area of rectangles with fractional side lengthsby multiplying side lengths
- 1
When multiplying fractions, we multiply the numerators to get the new numerator, and multiply the denominators to get the new denominator.
- 2
2/3 × 4/5 means we are trying to find 4/5 of 2/3, or 2/3 of 4/5.
- 3
Splitting each third into five parts results in 15ths, because 3 multiplied by 5 is 15.
