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812 results
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Activity
Interactive Mathematics

Interactive Mathematics: Matrices and Linear Equations

For Students 9th - 10th Standards
Examples are provided to demonstrate how to use matrices to solve 2x2 and 3x3 matrices. Examples include real world applications and some are interactive.
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Whiteboard
ClassFlow

Class Flow: Solving Systems Using Elimination

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart shows students how to solve systems of linear equations using elimination.
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Lesson Plan
Alabama Learning Exchange

Alex: Focusing on Graphs

For Teachers 9th - 10th Standards
In this lesson, students will solve systems of linear equations by graphing. Systems of linear equations are two or more linear equations together.
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Lesson Plan
Alabama Learning Exchange

Alex: When Will Mr. "X" Meet Miss "Y"?

For Teachers 9th - 10th Standards
During this lesson plan, students will solve systems of equations graphically. Students will graph various equations individually using graphing paper. They will work with a partner to solve several system of equation problems and then...
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Lesson Plan
Alabama Learning Exchange

Alex: Battleships

For Teachers 9th - 10th
This lesson is designed to review and reinforce three methods (graphing, substitution and elimination) of solving systems of linear equations. The students will work together and independently to find the solutions to systems of...
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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.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Problems by Factoring

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Apply quadratic factoring techniques to solve real-world problems.
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Lesson Plan
Alabama Learning Exchange

Alex: Wild Water Adventure

For Teachers 9th - 10th
Students will learn how a system of equations can be used to find the best use of information to make decisions in real-world situations.Students will work in groups of 3s or 4s to develop a system for the best buy on tickets at a water...
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Unit Plan
Cool Math

Coolmath: Systems of Equations Solving by Substitution

For Students 9th - 10th Standards
Reference material and practice problems solving by substitution.
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eBook
CK-12 Foundation

Ck 12: Precalculus Concepts 2.0

For Students 10th - 12th Standards
A complete high school Precalculus Concepts course. Includes 'Related Modalities' for each lesson that teach the same concept in different ways. The text materials follows Algebra II and comes before Calculus or Statistics. The content...
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Unknown Type
Khan Academy

Khan Academy: Solutions of Inequalities: Algebraic

For Students 9th - 10th Standards
Given a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Inequalities in Two Variables

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Graph linear inequalities to find solutions.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Programming

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Given a set of constraints, graph and solve linear problems.
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Unit Plan
Other

Hsor.org: Cutting Times: Trimming Losses

For Teachers 9th - 10th Standards
Use this lesson plan to have students explore systems of inequalities.
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Activity
TeachEngineering

Teach Engineering: The Balancing Act

For Teachers 6th - 8th
Students are given the opportunity to visualize and interact with concepts they have already learned, specifically algebraic equations and solving for unknown variables. Students construct a balancing seesaw system (LEGO Balance Scale)...
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Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Sistemas De Ecuaciones Lineales

For Students 9th - 10th Standards
In Spanish. Learn the algebraic language to represent and solve systems of two linear equations with two unknowns.
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Unit Plan
Other

Math Portal: Row Reduction Method

For Students 10th - 12th
A step by step of how to solve systems of linear equations using the row reduction method.
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Lesson Plan
Cuemath

Cuemath: How to Solve Matrices

For Teachers 9th - 10th Standards
In this mini-lesson, we will explore the world of matrices by finding the answers to questions like how to solve systems of equations with matrices, how to solve matrices, and matrix operations with examples and formulas while...
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Activity
Texas Instruments

Texas Instruments: Elimination

For Teachers 9th - 10th
This activity uses geometric examples to illustrate the method of elimination to obtain a Cartesian equation using the Computer Algebra System CAS tool.
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Activity
Texas Instruments

Texas Instruments: Matrices Using Cas

For Teachers 9th - 10th Standards
This Computer Algebra System (CAS) activity encourages students to perform basic arithmetic operations on matrices, and solving a set of equations using CAS.
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Activity
Cool Math

Coolmath: 2 X 2 Determinants Cruncher

For Students 9th - 10th
Practice problems that include determinants and Cramer's Rule for 2x2 systems.
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Lesson Plan
PBS

Pbs Mathline: Stressed to the Breaking Point Lesson Plan [Pdf]

For Teachers 9th - 10th
Students explore how much weight a spaghetti bridge can support and whether width and length matter. Printable lesson.
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Activity
Texas Instruments

Texas Instruments: Boats in Motion

For Teachers 9th - 10th
In this lesson, students make observations about the motion of a boat going up and down the river. They will solve the system of equations algebraically and graphically.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c and a rei.a.1: Products and Reciprocals

For Teachers 9th - 10th
The purpose of this task is to test student skills at converting verbal statements into two algebraic equations and then solving those equations. Aligns with A-REI.A.1 and A-REI.C.

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