Grade Levels: 3-5, 6-8

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Ratios Lesson Plan: Number and Operations-Fractions
This lesson accompanies the BrainPOP topic Ratios, and supports the standard of understanding a fraction 𝑎/𝑏 as the quantity formed by 𝑎 parts of size 1/𝑏. Students demonstrate understanding through a variety of projects.


Display an example of a ratio, such as this image from the movie (timestamp 0:42):

Ask students:

  • Where have you seen ratios in your everyday life?
  • Why might ratios be useful?


  • Read the description on the Ratios topic page.
  • Play the Movie, pausing to check for understanding.
  • Assign Related Reading. Have students read one of the following articles: “Real Life”, “Do It!”, or “Etc.”. Partner them with someone who read a different article to share what they learned with each other.

Step 3: APPLY and ASSESS

Assign Ratios Challenge and Quiz, prompting students to apply essential literacy skills while demonstrating what they learned about this topic.


Students express what they learned about ratios while practicing essential literacy skills with one or more of the following activities. Differentiate by assigning ones that meet individual student needs.

  • Make-a-Movie: Make a promotional movie about your school. In it, include the ratio of teachers to students, computers to students, and any other relevant ratios.
  • Make-a-Map: Create a concept map that shows three different ways to express a ratio.
  • Creative Coding: Code a sorting game challenging players to sort ratios into their most simplified forms.\

More to Explore

Related BrainPOP Topics: Deepen understanding of conventions of standard English with these topics: Proportions, Percents, Rational and Irrational Numbers, and Fibonacci Sequence.


Teacher Support Resources:


Lesson Plan Common Core State Standards Alignments