Curated Video
Writing Equations for Proportional Relationships: Distance and Time
Learn how to write an equation that represents the proportional relationship between distance and time. Review how to find the unit rate and emphasize that distance should be divided by time to get the correct ratio. Using a table and...
Curated Video
Calculating Average Speed Using the d=rt Formula
This video explores an example of a family driving at different speeds throughout a trip. By calculating the average rate of speed for each segment of the journey, a more accurate understanding of the trip is obtained. This lesson...
Curated Video
Exploring the Different Formats of Functions: Equations, Tables, and Graphs
In this video, students will learn about the relationship between equations, tables, and graphs in representing functions. The video provides examples of linear functions and demonstrates how to determine the other two formats given one...
Curated Video
Understanding Linear Functions and Graphs
Learn how to identify a linear function by analyzing its characteristics. Understand that linear functions have a straight line graph and a constant rate of change. The video also covers the slope-intercept form of a linear equation,...
Curated Video
Identify Direct and Inverse Variation Using the Shape of Graphs
This video explains how to interpret graphs in a coordinate plane to understand the relationship between x and y values. Review examples of both direct and inverse variations, highlighting how the shape of the graph provides information...
Curated Video
Analyzing Tables to Define Linear Functions
This video explains the constant rate of change and how it relates to linear functions. It also provides examples and show how to identify linear and nonlinear functions based on tables of y = x and y = mx values.
Curated Video
Calculating the Constant Rate of Change
In this video, the teacher explains how to calculate the constant rate of change in a linear function using the four representations of a function: verbal, algebraic, numeric, and graphical.
Curated Video
Quantifying Proportional Relationships Using Graphs
Learn how to quantify and describe the relationship between two proportional measures using graphs. The teacher reviews concepts such as quantities, coordinates, proportional versus non-proportional relationships, and the importance of...
Curated Video
Describe the Relationship Between Two Measures by Examining the Graph of a Line
This video explains how to describe the relationship between two measures by examining the graph of a line. They discuss the independent and dependent variables, as well as proportional and non-proportional relationships. Through...
Corbett Maths
Travel Graphs
No need to travel ... the lesson will come to you! A well-designed lesson begins by describing the rate of change of a distance-time graph highlighting areas of constant, increasing, and decreasing speed. The video instructor then shows...
Curated OER
How Do You Solve a Word Problem with Exponential Decay?
The instructor first identifies what formula to use to solve this word problem. Then she explains what each of the variables stands for and helps match up their given values in this word problem. There are many components to solving this...
Sophia Learning
Sophia: Introduction to Constant Acceleration
This narrated screencast helps students understand the concept of constant acceleration. [2:53]