An Intro to Ratios | What is a Ratio? | Understanding Ratios | Math with Mr. J
From Math with Mr. J
6 min6thMath
Summary
How ratios and unit rates work -- comparing two quantities and finding the amount per one unit. Mr. J uses tables and real examples like price per item.
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Teaching resources
Discussion questions
A ratio compares two amounts; a unit rate tells how much for just one.
- What is a ratio? How do you write one?
- What makes a rate a 'unit' rate?
- How could you find the price for one item from a ratio?
Quick work-a-long
Words to know: ratio, rate, unit rate, per
- Write the ratio of 3 apples to 2 oranges three ways.
- If 4 pencils cost 80 cents, find the unit price.

