Assessment
Curated OER

Dental Impressions

For Teachers 7th - 10th Standards
What an impressive task it is to make dental impressions! Pupils learn how dentists use proportional reasoning, unit conversions, and systems of equations to estimate the materials needed to make stone models of dental impressions....
Assessment
Achieve

Ground Beef

For Students 7th - 10th Standards
Ever wonder how a butcher creates the different types of ground beef? Young mathematicians explore the methods butchers use to create their desired ground beef quality. Given a combination of two types of meat with varying...
Lesson Plan
Illustrative Mathematics

Sammy's Chipmunk and Squirrel Observations

For Teachers 7th - 9th Standards
Here is a fun project. Sammy observes a chipmunk and a squirrel to see how many holes each needs in order to stash the same number of acorns.  Scholars could find the answer algebraically or create a table to analyze the...
Unit Plan
Beyond Benign

Got Gas

For Teachers 9th - 12th Standards
How much gas does it take to drive around town? The class uses a variety of mathematical procedures to take a look at the use of gas for transportation. Class members use a different unit to determine the cost of driving a car as opposed...
Lesson Plan
Curated OER

MA 371 - Linear Equations 1

For Teachers 12th - Higher Ed
In this linear equations worksheet, students solve 8 short answer problems. Students write augmented matrices given a system of equations in two and three variables. Students express their answers using an augmented matrix in reduced row...
Worksheet
Curated OER

Elimination Using Addition and Subtraction

For Students 10th - 12th
In this systems of equations activity, learners use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the activity. This one-page activity contains ten problems.
Worksheet
Curated OER

Solving Systems of Linear Equations

For Students 7th - 9th
In this systems of linear equations worksheet, students use both the elimination and the substitution methods to solve 20 problems involving systems of two linear equations.
Lesson Plan
Curated OER

Whose Line is it Anyway?

For Teachers 8th - 10th
Students solve systems of equations. In this algebra lesson plan, students identify the domain and range of each function. They use the slope and y-intercept to graph each line.
Worksheet
Curated OER

Graphing Systems of Equations

For Students 11th
In this Algebra II worksheet, 11th graders use graphing to determine the solution to a system of linear equations.  The two page worksheet contains explanation and three guided problems.  Answers are not included. 
Worksheet
Curated OER

Solving Systems by Graphing

For Students 9th - 11th
In this Algebra I/Algebra II instructional activity, students solve a system of linear equations by graphing.  The one page instructional activity contains one problem.  Answer is provided. 
Lesson Plan
Curated OER

A Point of Intersection

For Teachers 6th - 8th
Pupils factor and solve systems of equation. In this algebra lesson, students identify the point of intersection using substitution, elimination and graphing. They write an equation given a system and a graph.
Worksheet
Curated OER

Minima/Maxima

For Students 10th - 12th
In this minima/maxima worksheet, students solve systems of equations, identify the first derivative of a quadratic equation, and find the critical point in an equation. Using Excel worksheets, students graph four equations. There are...
Worksheet
Curated OER

Systems of Equations

For Students 9th - Higher Ed
In this systems of equations learning exercise, students solve ten sets of problems by using the substitution method. They first decide which variable they are going to solve for, x or y. Then, students replace that value with the other...
Worksheet
Curated OER

Topic 3.3: Cramer's Rule

For Students 10th - 12th
For this Cramer's Rule worksheet, learners use Cramer's Rule to solve system of equations. They identify the value of each given determinant. This one-page worksheet contains ten multi-step problems.
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

Points of Intersection

For Students 8th - 9th
Eighth and ninth graders solve five different problems that include solving two equations. They determine the point of intersection in each of the five pairs of equations given. Pupils define point of intersection as the point where two...
Unit Plan
Curated OER

Linear and Exponential Functions

For Teachers 8th - 11th Standards
This comprehensive unit on linear and exponential functions provides numerous clearly-written worksheets. Topics include graphing linear equations, solving systems of equations algebraically and by graphing, identifying the domain and...
Lesson Plan
Curated OER

Points of Intersection

For Teachers 9th - 10th
Learners solve systems of equations.  In this solving systems of equations lesson, students look for the intersection of the two lines in the system.  Learners solve systems that have one solution, no solution, and infinite...
Worksheet
Curated OER

Academic Algebra II Test Chapter 4

For Students 9th - 10th
In this algebra activity, students solve systems of equations.  They evaluate matrix problems and identify the determinant.  This two-page activity contains 13 problems.
Worksheet
Curated OER

Solving Verbal Problems using a System of Linear Equations

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve word problems whose solution requires the use of a system of linear equations in two variables.  The two page worksheet contains a combination of ten multiple choice and free...
Worksheet
Curated OER

Systems of linear equations

For Students 9th - 11th
For this Algebra I/Algebra II worksheet, students use systems of linear equations in two variables to solve verbal problems.  The four page worksheet contains a combination of ten multiple choice and free response questions....
Lesson Plan
1
1
Curated OER

Pairs of Whole Numbers

For Teachers 9th - 12th Standards
Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.
Worksheet
Curated OER

Systems of Linear Inequalities

For Students 9th - 12th Standards
Graphing systems of linear inequalities is the focus of this worksheet. Problems range from checking solutions of inequalities, graphing systems of two inequalities, and graphing systems of three inequalities. Graphing horizontal lines,...
Lesson Plan
1
1
Curated OER

Accurately Weighing Pennies I

For Teachers 9th - 12th Standards
Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.