Interactive
Curated OER

Resonance

For Students 10th - Higher Ed
In this electrical worksheet, students draw a schematic design and build a circuit board capable of producing a wide range of audio-frequency AC signals before answering a series of 26 open-ended questions. This worksheet is printable...
Lesson Plan
Curated OER

Exponential Functions: Half Life and Doubling Time

For Teachers 9th - 12th
Students investigate the concept of exponential functions and how they increase in size over time. They simplify the functions in order to find the solutions that are possible and perform analysis of the curved line that is produced when...
Lesson Plan
Curated OER

Review of Systems of Equations

For Teachers 10th - 12th
Students work to complete various algebraic equations using different methods. Given a word problem, students create a poster identifying the various parts of the equation as well as the solution to the problem. Posters are presented...
Worksheet
Curated OER

Mr. Payne Word Search Puzzle

For Students 5th - 6th
In this language arts worksheet, students study 10 words in a word bank, then locate them in a word search puzzle. The words appear to be related to algebra; the meaning of the title is not known. There is one misspelled word in the word...
Lesson Plan
Curated OER

Function Tables

For Teachers 8th - 9th
Students identify function using tables of data. In this algebra lesson, students create a tale of point and plot on a coordinate plane. They analyze the graph as being a function or not.
Lesson Plan
Curated OER

Graphing Linear Equations Using the Table Method

For Teachers 9th - 10th
Students graph linear equations using a table. In this algebra lesson, 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.
Worksheet
Curated OER

The Nullspace of a Matrix

For Students 11th - Higher Ed
In this math instructional activity, students read the definition for the nullspace of a matrix. The definition is used to find the solutions to new problems.
Lesson Plan
Curated OER

Radial Solution, Hydrogen Wavefunction

For Teachers Higher Ed
Students study the radial solution of hydrogen activity. They illustrate eigenvalue problems in applied mathematics. Students explore Schrodinger's equation and particle wave duality.
Unit Plan
Cool Math

Coolmath: Systems of Equations Solving by Substitution

For Students 9th - 10th Standards
Reference material and practice problems solving by substitution.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Substitution

For Students 9th - 10th Standards
Twenty-seven problems present a variety of practice solving linear systems by substitution. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Handout
CK-12 Foundation

Ck 12: Algebra: Linear Systems: Solve by Graphing & Substitution

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review linear systems, specifically solving by graphing and substitution. Examples are included.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Intercepts by Substitution

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Identify x and y-intercepts when problem solving.
Lesson Plan
Alabama Learning Exchange

Alex: Systems on a Mission

For Teachers 9th - 10th
After solving one system of equations by the methods of graphing, elimination using addition or subtraction, elimination using multiplication, and substitution, students will be given four systems to be solved by one of each of the four...
Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations With Algebraic Methods

For Students 9th - 10th Standards
Given verbal and/or algebraic descriptions of situations involving systems of two-variable linear equations, the student will solve the system of equations by different methods.
Article
Math Planet

Math Planet: The Substitution Method for Solving Linear Systems

For Students 9th - 10th
A way to solve a linear system algebraically is to use the substitution method. The substitution method functions by substituting the one y-value with the other. This resource explains this method by showing an example along with a video.
Article
Khan Academy

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

For Students 7th - 9th
This article will take you through a step-by-step approach for solving a systems of linear equations. Article also includes practice questions.
Unknown Type
Wyzant

Wyzant: Algebra Help

For Students 9th - 10th Standards
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
Lesson Plan
Texas Instruments

Texas Instruments: Solve Linear Systems by Graphing, Substitution, Elimination

For Teachers 9th - 10th Standards
Students will solve systems of linear equations by a variety of methods: graphing, substitution, and elimination. The questions are multiple-choice and fill-in-the-blank.
Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Systems of Equations Substitution Method

For Students 9th - 10th Standards
Students watch an online tutorial on the concept of solving systems of equations using the substitution method. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems Using Substitution

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of linear equations using substitution.
Activity
Texas A&M University

Systems of Linear Equations an Introduction [Pdf]

For Students 9th - 10th Standards
Use this site to see how graphing and substitution are used to solve systems of equations. The examples have systems that have one, infinite, or no solutions. The site is set up to see the solutions step by step.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems Using Substitution

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Solve linear systems by using substitution.
Activity
Other

Algebra.com: Linear Equation and System Solvers: Solve Linear Systems

For Students 9th - 10th Standards
This interactive linear system solver allows you to enter two linear equations in general form and then plot the lines and find the answer using either substitution or elimination. The answer is presented with both methods accompanied by...
Activity
Interactive Mathematics

Interactive Mathematics: Solving Systems Algebraically

For Students 9th - 10th Standards
Both the substitution and elimination methods are presented through detailed examples. Learn step by step how to find solutions to any linear system of two variables.