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Lesson Planet

Walk the Plank

For Students 6th - 12th Standards
Ahoy Mateys, it's time to walk the plank! A pirate-inspired activity has pupils record their relative weights as they walk farther down a plank. The result is a real-life linear model with a negative slope.
Lesson Planet

Linear Inequalities

For Students 8th - 12th Standards
An interactive lesson helps individuals learn to graph inequalities in two variables. Scholars can adjust the interactive to present the inequalities in standard or slope-intercept form.
Lesson Planet

Linear Function Machine

For Students 6th - 10th Standards
What goes in must come out! Learners play with a function machine to determine the correct function. They enter input values and watch as the machine produces the output.
Lesson Planet

Lessons for Learning—Grade 8

For Teachers 8th Standards
How can you better explain the standards? A collection of resources gives teachers the resources needed to teach topics within the eighth grade curriculum. Lessons provide engaging activities to use within the classroom. 
4:22
Lesson Planet

Finding the Gradient of a Straight Line

For Students 8th - 10th Standards
Investigate the relationship between the gradient, or slope, of a line and its graph. Pupils learn to use a graph to calculate the slope of a line. The video lesson includes both positive and negative slopes and compares the steepness of...
Lesson Planet

Graphs of Linear Functions: Line Designs

For Students 8th - 10th Standards
Designs from lines are sublime. Scholars create colorful designs by connecting points on an interactive coordinate plane. They answer questions about slope and quadrants based on their designs.
Lesson Planet

Math Grade 8: Using Linear Functions

For Teachers 8th Standards
Exercise your right to use the resource. Young mathematicians write equations for the number of calories burned based on the number of minutes of exercise. They graph these equations to solve a system of equations.
Lesson Planet

Movin 'n Groovin

For Students K - 12th Standards
Examine the consequences of varying speed.  An engaging set of five problem sets challenges young mathematicians by targeting a different grade level from K-12. In the initial lesson, scholars make conclusions about the time it takes two...
1 In 1 Collection
EngageNY

Linear Equations in Two Variables

For Teachers 8th Standards
Create tables of solutions of linear equations. A lesson has pupils determine solutions for two-variable equations using tables. The class members graph the points on a coordinate graph. 
1 In 1 Collection
EngageNY

End-of-Module Assessment Task: Grade 8 Module 4

For Students 8th Standards
Connect proportional linear equations and systems. The seven-question assessment is the last installment in a 33-part series. The items cover comparing proportional relationships, slope concepts, and simultaneous linear equations. To...
1 In 1 Collection
EngageNY

Conversion Between Celsius and Fahrenheit

For Teachers 8th Standards
Develop a formula based upon numerical computations. The 31st part of a 33-part unit has the class determine the formula to convert a temperature in Celsius to a temperature in Fahrenheit. They do this by making comparisons between the...
1 In 1 Collection
EngageNY

Constant Rates Revisited

For Teachers 8th Standards
Find the faster rate. The resource tasks the class to compare proportional relationships represented in different ways. Pupils find the slope of the proportional relationships to determine the constant rates. They then analyze the rates...
1 In 1 Collection
EngageNY

Some Facts About Graphs of Linear Equations in Two Variables

For Teachers 8th Standards
Develop another way to find the equation of a line. The lesson introduces the procedure to find the equation of a line given two points on the line. Pupils determine the two points from the graph of the line.
1 In 1 Collection
EngageNY

Every Line is a Graph of a Linear Equation

For Teachers 8th Standards
Challenge the class to determine the equation of a line. The 21st part in a 33-part series begins with a proof that every line is a graph of a linear equation. Pupils use that information to find the slope-intercept form of the equation...
1 In 1 Collection
EngageNY

The Graph of a Linear Equation in Two Variables Is a Line

For Teachers 8th Standards
Show your class that linear equations produce graphs of lines. The 20th segment in a unit of 33 provides proof that the graph of a two-variable linear equation is a line. Scholars graph linear equations using two points, either from...
1 In 1 Collection
EngageNY

Mid-Module Assessment Task: Grade 8 Module 4

For Students 8th Standards
Determine what the class knows about linear equations. The three-question mid-module assessment is segment 15 in a 33-part series. The assessment includes writing and solving one-variable linear equations and graphing proportional...
1 In 1 Collection
EngageNY

The Graph of a Linear Equation—Horizontal and Vertical Lines

For Teachers 8th Standards
Graph linear equations in standard form with one coefficient equal to zero. The lesson plan reviews graphing lines in standard form and moves to having y-coefficient zero. Pupils determine the orientation of the line and, through a...
1 In 1 Collection
EngageNY

Constant Rate

For Teachers 8th Standards
Two-variable equations can express a constant rate situation. The instructional activity presents several constant rate problems. Pupils use the stated constant rate to create a linear equation, find values in a table, and graph the...
1 In 1 Collection
EngageNY

A Critical Look at Proportional Relationships

For Teachers 8th Standards
Use proportions to determine the travel distance in a given amount of time. The 10th installment in a series of 33 uses tables and descriptions to determine a person's constant speed. Using the constant speed, pupils write a linear...
1 In 1 Collection
EngageNY

The Graph of a Linear Equation in Two Variables

For Teachers 8th Standards
Add more points on the graph ... and it still remains a line! The 13th installment in a series of 33 leads the class to the understanding that the graph of linear equation is a line. Pupils find several solutions to a two-variable linear...
9:24
Lesson Planet

Slope

For Students 9th - 12th Standards
Examine the features of linear slope with a video tutorial that explains the origin of the slope formula using a graph. Pupils then see several examples including positive, negative, and slopes of varying steepness.
6:22
Lesson Planet

Direct Variation

For Students 9th - 12th Standards
Viewers examine the properties of direct variation equations and use them to problem solve. The instructor describes the concept of direct variation and then applies the formula to a word problem. She shows the relationship between the...
Lesson Planet

Squares and Circles

For Teachers 8th Standards
It's all about lines when going around. Pupils graph the relationship between the length of a side of a square and its perimeter. Class members explain the origin in context of the side length and perimeter. They compare the graph to the...
Lesson Planet

Comparing Lines and Linear Equations

For Teachers 8th Standards
Scholars first complete an assessment task on writing linear equations to model and solve a problem on a running race. They then take part in a card matching activity where they match equations and graphs of lines to diagrams of fluid...