Lesson Plan
Curated OER

Peter's Third String

For Teachers 6th - 9th
Explore the solution to a word problem involving area and perimeter. Learners read and discuss how to approach the problem. In small groups, they determine the maximum area of a rectangle with a given perimeter using a piece of string....
Interactive
CK-12 Foundation

Linear Programming: Bakers' Dilemma

For Students 9th - 12th Standards
Place the pies in a line. Pupils create a graph of a system of linear inequalities to represent the number of pies a bakery can make. Learners analyze the vertices on the graph to determine the number of pies they can bake without...
Worksheet
Washingtonville Central School District

Systems of Equations (Substitutes and Elimination)

For Students 9th - 12th Standards
With a whopping total of 66 questions, here is a resource that provides a full variety of systems of equations questions using elimination and substitution solution methods.
Interactive
CK-12 Foundation

Solving a Matrix Equation: Mystery Matrix

For Students 10th - 12th Standards
Solve a matrix in code—color code. Pupils use the interactive resource to set up the matrix equation and its solution path. Scholars use the created solution path to determine the entries of the 2 X 2 solution.
Worksheet
Curated OER

Solving Systems of Linear Equations in Three Variables

For Students 10th - 12th Standards
Practice solving linear systems of three equations with three unknowns using the elimination method and substitution method. This handout includes graphics of different combinations of intersecting planes to help illustrate the different...
Worksheet
Curated OER

Solving Linear Equations

For Students 9th - 12th Standards
Use this worksheet for practice or review solving linear equations in one variable. Problems range from multiple-step problems involving parentheses and combining like terms, to word problems, to equations with no solution or infinitely...
Lesson Plan
Curated OER

Linear Equations & Manipulatives

For Teachers 8th - 9th
High schooler math students review operations and solve linear equations using manipulatives--squares, cubes, circles, and cups. They transfer the operations performed on the manipulatives in equation form.
Lesson Plan
Curated OER

Two-Variable Linear Inequalities

For Teachers 9th - 11th
Here is an engaging lesson plan on solving equations with two variables. Have the class rewrite linear equations in the slope intercept form, y=mx + b. They graph the lines using the slope and y-intercepts.
Worksheet
Math Drills

Linear Equations a/x = c (A)

For Students 8th - 9th Standards
Here is a linear equations worksheet in which learners problem solve and calculate the answers to twenty linear equations with various variables.
Worksheet
Math Drills

Linear Equations ax = c (A)

For Students 6th - 9th Standards
Skills drills help math learners become adept at solving equations. This worksheet provides 15 simple linear equations with one variable each. Learners simply solve them. It should not take long, therefore you may want to keep this on...
Assessment
Mathed Up!

Simultaneous Equations

For Students 8th - 11th
How do you solve systems of linear equations? Scholars watch a video to learn how to solve systems using elimination-combination. After viewing the video, they solve seven systems of equations.
Worksheet
Curated OER

Numerical Analysis: Solving Systems Of Non-Linear Equations

For Students Higher Ed
In this numerical analysis worksheet, students solve systems of non-linear equations. Examples and explanation are provided. This two-page worksheet contains approximately three problems.
Lesson Plan
Willow Tree

Parallel and Perpendicular Lines

For Students 8th - 11th Standards
Enhance your class's understanding of linear equations by extending their study to parallel and perpendicular lines. Young mathematicians learn the relationship between the slopes of parallel and perpendicular lines. They then use that...
Worksheet
Curated OER

The Cartesian Plane

For Students 6th - 9th Standards
Learners solve and complete 22 various types of problems. First, they find the gradients of the lines and plot the given points. Then, they complete the table of values for each equation and use the table to draw the graph. 
Lesson Plan
Illustrative Mathematics

Chocolate Bar Sales

For Teachers 5th - 7th Standards
In this real-world example, algebra learners start to get a sense of how to represent the relationship between two variables in different ways. They start by looking at a partial table of values that define a linear relationship. They...
Interactive
CK-12 Foundation

Applications Using Linear Models: Scuba Diving

For Students 7th - 10th Standards
Dive into this resource on rates of change and linear models. Pupils use two sliders in an interactive to adjust water temperature and depth. They use a given linear equation to calculate the rate of change in water temperature per unit...
Lesson Plan
Curated OER

Linear Modelling of the Life Expectancy of Canadians

For Teachers 8th - 11th
Middle and high schoolers explore the concept of linear modelling.  In this linear modelling lesson, pupils find the line of best fit for life expectancy data of Canadians. They compare life expectancies of men and women, and find...
Worksheet
Curated OER

Graphing Linear Functions

For Students 8th - 9th
In this linear functions activity, students graph 3 linear functions. Students graph each function by making a table of values given a linear function in standard form.
Lesson Plan
Curated OER

Real World Systems of Linear Equations

For Teachers 7th - 10th
Students solve systems of equations with fluency. In this algebra lesson plan, students graph, use elimination and substitution to solve systems of equations. They identify the point of intersection using algebra.
Lesson Plan
Curated OER

Linear Systems and Echelon Forms

For Teachers 11th
Eleventh graders define various types of linear systems and three types of solutions. In this linear system and echelon forms lesson, 11th graders solve a linear system using elementary row operations. Students also describe the set of...
Worksheet
Curated OER

Linear Equations

For Students 11th
In this Algebra II worksheet, 11th graders write the equation of a line given a table, the slope and a point, or two points.  The three page worksheet contains eleven problems.  Answers are not provided. 
Lesson Plan
Curated OER

Graphing Linear Equations with Calculator

For Teachers 9th - 10th
Pupils graph lines using the calculator. In this algebra lesson, students graph lines of equations in the form y=mx+b. They input equations into the TI Calculator and graph using the slope and intercept. They analyze the graph for...
Worksheet
Curated OER

Linear Equations x/a = c (B)

For Students 6th - 8th
In this systems of equations practice activity, middle schoolers use their problem solving skills to solve 24 problems.
Worksheet
Curated OER

Linear Equations (A)

For Students 5th - 6th
In this math worksheet, students solve 20 equations for the variable given. Example: 5q - 29 = 21 (answer is q=10). All numbers on this page are below 100.