Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Systems by Multiplying One Equation

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems by multiplying one equation by a constant to eliminate a variable.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c.6: Accurately Weighing Pennies I

For Teachers 9th - 10th
In this problem, young scholars will use the number of decimal places in the coefficients to motivate writing and solving a system of equations. Aligns with A-REI.C.6.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei the Circle and the Line

For Teachers 9th - 10th Standards
Students are required to solve a system of equations in this task which will demonstrate their understanding of the correspondence between intersection points of the two graphs and solutions of the system. Aligns with A-REI.C.7.
Lesson Plan
Alabama Learning Exchange

Alex: Focusing on Graphs

For Teachers 9th - 10th Standards
In this instructional activity, students will solve systems of linear equations by graphing. Systems of linear equations are two or more linear equations together.
Activity
Texas Instruments

Texas Instruments: Sailing Through the Fog: Solving Systems of Linear Equations

For Teachers 9th - 10th Standards
Tracking equipment is used to help ship navigators traveling in dense fog determine if they are in danger of colliding with other ships that may be in the area. For this activity, we are going to assume two ships are traveling along...
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Khan Academy

Khan Academy: Age Word Problems

For Students 8th
Solve age word problems with a system of equations.
Unknown Type
Khan Academy

Khan Academy: Systems of Inequalities Word Problems

For Students 9th - 10th Standards
Solve word problems that involve systems of linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Handout
Math Medics

S.o.s. Math: Systems of Equations in Three Variables

For Students 9th - 10th Standards
It is often desirable or even necessary to use more than one variable to model a situation in many fields. When this is the case, we write and solve a system of equations in order to answer questions about the situation.
Handout
Khan Academy

Khan Academy: Elimination Method Review (Systems of Linear Equations)

For Students 7th - 8th Standards
Explains how to use elimination to simplify and solve systems of linear equations. Includes practice problems and explanations of their solutions.
Activity
Texas Instruments

Texas Instruments: Solving a System of Linear Equations

For Teachers 9th - 10th
In this activity, students' will collect and analyze motion data in order to determine the solution to a linear system of equations. They graph two motions on a common axis and find their intersection.
Activity
Texas Instruments

Texas Instruments: Glencoe Algebra 1: Graphing Calculator Investigation Systems

For Teachers 9th - 10th
Students will solve systems of equations.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
Khan Academy

Khan Academy: Number of Solutions to Equations Challenge

For Students 7th - 8th Standards
Given a linear equation with missing values, determine appropriate values in order to have one, zero, or infinite solutions. For example, complete the equation -11x + 4 = __x + __ so that it has no solutions. Students receive immediate...
Unit Plan
CK-12 Foundation

Ck 12: Problem Solving Models

For Students 9th - 10th
[Free Registration/Login Required] Students explore using systems of equations by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the...
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Solve systems of equations by addition or subtraction.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Solve systems of equations by addition or subtraction.
Activity
Help Algebra

Help algebra.com: Substitution Method for Systems

For Students 9th - 10th Standards
Using the Substitution Method, a system of equations is solved. The process is shown in detail and can be used as a reference for solving other systems
Website
Other

Algebra.com: Linear Equation and System Solvers

For Students 9th - 10th Standards
Linear equations can be solved and graphed using this interactive site. This site allows the user to enter any linear equation in standard form and the y-intercept will be found through a step-by-step process. Systems of inequalities can...
Activity
Interactive Mathematics

Interactive Mathematics: Graphical Solution of Non Linear Systems

For Students 9th - 10th Standards
Using the graphing method, several systems of nonlinear equations are solved. Follow each example step by step to see how solutions are derived.