Curated OER
Solving Systems of Linear Equations in Three Variables
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...
Inside Mathematics
Number Towers
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
Mathematics Vision Project
Module 2: Systems of Equations and Inequalities
The brother-sister pair Carlos and Clarita need your class's help in developing their new pet sitting business. Through a variety of scenarios and concerns presented to the siblings, the learners thoroughly explore systems of equations...
West Contra Costa Unified School District
Derivative – Standard Definition
Making a clear connection to algebra concepts helps learners understand the definition of a derivative. The lesson begins with looking at limits of simple linear and rational functions, and leads to the definition of the derivative....
Curated OER
Math Sheet #5 Systems Of Equations
Solve systems of equations using the substitution or elimination method. Kids can practice by solving each of the five problems on this one-page instructional activity.
Curated OER
Which Method Will You Choose? Finding Solutions to Systems of Equations.
Ninth graders investigate systems of linear equations. In this Algebra I lesson, 9th graders determine which method is the best for solving a systems: graphing, substitution, or elimination.  Students choose a method and create a...
Curated OER
Solving Systems of Equations
Learners explore the concept of solving systems of equations with two equations and two unknowns. In this solving systems of equations lesson plan, they work through problems of solving systems by substitution, elimination, and graphing....
Curated OER
Final Exam Review: College Algebra
In this final exam review worksheet,s students solve systems of equations, polynomials and factor quadratic equations. They identify the slope of a line and write linear equations. Students use Cramer's rule, graphing, substitution,...
Curated OER
Sorting Pennies, A Wagering Activity for Algebra I
Students solve weight equations. In this equations lesson, groups of students weigh and separate pennies to find information necessary to solve simultaneous equations. The teacher provides equations based on the weight of pennies before...
Curated OER
The Elimination Method
Tenth graders investigate the Elimination Method in the solving of equations. They solve the equation using this method in examples with the teacher and then transfer the new knowledge to independent practice.
EngageNY
True and False Number Sentences II
Substitution is still the method of choice to verify number sentences. The detailed activity has young mathematicians determining conditions for when number sentences are true or false through substitution. They learn to express these...
Curated OER
Rotation of Tasks for Solving Linear Equations
For this linear systems worksheet, students solve systems of equations using three different methods: substitution, adding and subtracting, and graphing. This two-page worksheet contains three multi-step problems.
Curated OER
Systems and Applications
In this algebra worksheet, 11th graders solve 14 systems of equations using substitution or elimination and 14 word problems.
Curated OER
Solving Systems of Equations Algebraically
Students solve systems of equations algebraically. In this algebra lesson, students solve systems using substitution and elimination. They solve linear and quadratic systems.
Curated OER
Graphing Linear Equations Using the Table Method
Students graph linear equations using a table. In this algebra instructional activity, students create a table of values using the linear equation to find the y-values. They plot their point on a coordinate plane and graph the line.
Curated OER
Chapter 6 - Objective 3.1 Systems of Equations
For this systems of equations worksheet, students solve systems of equations by the addition method. This one-page worksheet contains ten problems.
Curated OER
Evaluating Expressions
In this algebra activity, students evaluate problems using the substitution method. They multiply, divide, add and subtract after replacing the variables with numbers. There are 26 problems with an answer key.
Curated OER
Basic Matrix Algebra
Students perform basic matrices operations. In this algebra lesson plan, students add, subtract, multiply and divide matrices. They solve system of equations using matrices.
Curated OER
Cups & Chips - Solving Linear Equations Using Manipulatives
Algebra students use manipulatives to solve linear equations. They use manipulatives, symbolic methods, and substitution to demonstrate each algebraic solution.
Curated OER
Do These Systems Meet Your Expectations
This lesson is all about systems of equations and their graphs. Algebra learners create and solve systems of equation using tables and graphing. They identify the point of intersection of a system of equation, and discover what the...
Curated OER
Systems of Equations
In this algebra activity, students solve systems of equation through graphing, linear combination and substitution. There are 3 questions.
Institute of Electrical and Electronics Engineers
Rotational Equilibrium
Physics stars design mobiles that demonstrate rotational equilibrium. They take measurements and solve related equations for force by graphing, substitution, or determinants. This is a well-developed lesson plan, complete with student...
Curated OER
Discovering Math-Concepts in Advanced Algebra
Students research The Nine Chapters on the Mathematical Art and Chinese contributions to mathematics using both print and non-print sources. From their research they create an illustrated table of contents for each chapter of the Nine...
Curated OER
Factoring Trinomials
In this factoring worksheet, students factor given trinomials. They examine the expression and use the substitution method to factor the problem. This one-page worksheet contains ten problems.