Interactive
Curated OER

Solving System of Equations by Addition or Subtraction

For Students 9th - 12th
In this online math worksheet, students solve systems of equations by using addition and subtraction . This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
Interactive
Curated OER

Online Math Learning: Solving Word Problems Using Algebra

For Students 8th - 10th
Learners solve eight short answer algebra word problems. They write and solve systems of equations in two or three variables given a word problem about integers, perimeter, consecutive numbers, etc.
Interactive
Curated OER

Solving System of Equations by Multiplication and then Addition or Subtraction

For Students 9th - 12th
In this online math instructional activity, students solve equations to determine the value of "x" and "y." This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Interactive
CK-12 Foundation

Cramer's Rule

For Students 10th - 12th Standards
Use matrices to solve systems of equations. The interactive introduces Cramer's Rule, using determinants of matrices to solve systems of equations. Color coding helps pupils place entries correctly from the system.
Interactive
Curated OER

Review of Algebra I

For Students 8th - 9th
Test your class with this online review. They determine the probability of a given situation, solve inequalities, systems of equations, and write numbers in scientific notation.  This two-page activity contains approximately 60...
Interactive
CK-12 Foundation

Problem-Solving Models: Subway vs. Taxi

For Students 8th Standards
Ride to success in understanding systems of equations. Scholars graph a system of equations on the cost of a subway and a taxi using an interactive. Using this graph allows users to answer some questions about the situation.  
Interactive
Curated OER

Solving System of Equations by Addition

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve systems of linear equations by addition.  The one page interactive worksheet contains ten questions.  Answers and hints are provided.
Interactive
CK-12 Foundation

Applications of Linear Systems: Alcohol Solution in Nursing

For Students 8th - 10th Standards
Solve alcohol systems to find the right solution. The interactive allows pupils to manipulate the amount of a solution and displays the total amount in a mixture. Individuals determine the amount of each solution needed to make 15 liters...
Interactive
PHET

Equality Explorer: Two Variables

For Students 6th - 12th Standards
Solving equations in two variables can't be that much harder than solving equations in one variable. Using a balance interactive, scholars solve equations in two variables. They apply inverse operations by adding -x, -y, or -1 as...
Interactive
Curated OER

Solving a System Containing Equations and an Inequality

For Students 8th - 10th
In this systems worksheet, students solve a system containing three linear equations and one linear inequality.  The solution is provided.
Interactive
CK-12 Foundation

Linear Systems with Addition and Subtraction: Fill in the Boxes 1

For Students 8th - 10th Standards
Eliminate a color by dragging shapes. The interactive provides a graphical color display that allows for pupils to solve a linear system by elimination. Learners combine figures following set rules for positive and negative shapes. The...
Interactive
CK-12 Foundation

Linear Systems with Addition and Subtraction: XYZ Tiles

For Students 8th - 10th Standards
Cover it up to reveal the values of variables. Using arrangements of colored tiles representing algebraic expressions, pupils layer them over each other to determine the values of variables. The procedure models the elimination method in...
Interactive
CK-12 Foundation

Graphs of Linear Systems: Heart Rate Tracker

For Students 8th - 10th Standards
Max out heart rates for males and females. Formulas of maximum heart rates provide the equations for a linear system. Pupils use the interactive to graph the equations for males and females and determine their points of intersection. The...
Interactive
Curated OER

Example and Steps to Solving Linear Systems Using Substitution

For Students 8th - 11th
In this linear equation worksheet, students solve five systems of linear equations using the substitution method.  Three examples with steps to solve are provided.
Interactive
Cool Math

Coolmath: Solving 2 X 2 Systems of Equations With Cramer's Rule Exercises

For Students 9th - 10th Standards
Solving 2 x 2 Systems of Equations with Cramer's Rule. Work the problems out then check your answer.
Interactive
Cool Math

Coolmath: Solving 3 X 3 Systems of Equations With Cramer's Rule Practice

For Students 9th - 10th
Practice solving 3 x 3 Systems of equations with Cramer's Rule.
Interactive
Doina Popovici

Math Play: System of Equations Halloween Math Game

For Students 7th - 9th
Solve this system of equations by using substitution in this online game.
Interactive
Doina Popovici

Math Play: System of Equations Basketball Game

For Students 7th - 9th
Solve equations with this online game that can be played alone or with others.