Education Technology

What is a Ratio?

Updated on 04/14/2015

Activity Overview

This lesson helps students to understand the concept of ratios. Ratios associate two or more quantities that vary together

About the Lesson

This TI-Nspire™ lesson helps students to understand the concept of ratios. Ratios associate two or more quantities that vary together. Ratios, which are distinct from fractions, are typically noted in the form a:b, which is the ratio of a to b. The ratio of two quantities a and b is written as a:b or as b:a.

Prior to working on this lesson, students should understand:

  • the concept of equivalent numbers;
  • how to compare numbers;
  • the concepts of multiplication and division.

This is Lesson 1 out of 15 in the Building Concepts in Mathematics: Ratios and Proportional Relationships Series

Standards