Related Topics:

Common Core for Grade 8

Common Core for Mathematics

More Math Lessons for Grade 8

Examples, solutions, videos, and lessons to help Grade 8 students learn how to graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

Common Core: 8.EE.5

### Suggested Learning Targets

**Defining Proportional Relationships**

(i) the definition of a proportional relationship

(ii) how to recognize proportional relationships when represented as a written description.**Proportional Relationships as Tables and Graphs**

How to recognize proportional relationships when represented as (i) tables; and (ii) graphs on the coordinate plane.

**Proportional Relationships as Equations**

In this lesson you will learn to understand proportional relationships by relating graphs and equations.**How slope can be determined when you have a proportional relationship?**

In this lesson you will learn to compare proportional relationships by comparing their unit rates.**Understanding and Comparing Graphs of Proportional Data.**
**Proportional Relationships And Graphs.**

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Common Core for Grade 8

Common Core for Mathematics

More Math Lessons for Grade 8

Examples, solutions, videos, and lessons to help Grade 8 students learn how to graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

Common Core: 8.EE.5

- I can determine the rate of change by the definition of slope.
- I can graph proportional relationships.
- I can compare two different proportional relationships represented in different ways. (For example, compare a distance-time graph to a distance-time equation to determine which of the two moving objects has greater speed).
- I can interpret the unit rate of proportional relationships as the slope of a graph.

(i) the definition of a proportional relationship

(ii) how to recognize proportional relationships when represented as a written description.

How to recognize proportional relationships when represented as (i) tables; and (ii) graphs on the coordinate plane.

In this lesson you will learn to understand proportional relationships by relating graphs and equations.

In this lesson you will learn to compare proportional relationships by comparing their unit rates.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.