Area of Rectangles with Fractional & Whole Number Side Lengths | Math with Mr. J
From Math with Mr. J
7 min5th6thMath
Summary
How to find the area of a rectangle with fractional or mixed-number side lengths by multiplying. Mr. J tiles it with unit fractions.
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Teaching resources
Discussion questions
Area is still length times width, even when the sides are fractions or mixed numbers.
- How do you multiply two fractions to find area?
- Why is the area smaller than 1 when both sides are less than 1?
- How can tiling show the area?
Quick work-a-long
Words to know: area, fraction, mixed number, product
- Find the area of a 1/2 by 3/4 rectangle.
- Find the area of a 2 1/2 by 3 rectangle.