Illustrative Mathematics
Summer Swimming
Here is a real-world application for systems of equations. When is it better to pay an enrollment fee and lower daily rate, and when is it better to pay the regular price? The local swim center is having a special offer, reductions in...
Curated OER
Solution Sets
Here is a task that gives the graph of the solutions of a system of linear inequalities and asks learners to analyze and write the algebraic form of the systems. By turning the problem around, learners make the connections between...
Curated OER
Practice solving systems of equations
Eleventh graders solve systems of equation. In this algebra lesson, 11th graders find the point of intersection of two lines if there is any, using algebra and graphing. They use substitution and linear combination to find the solution...
West Contra Costa Unified School District
Average Rate of Change
The concept of slope gets an approachable, yet theoretical, treatment in a comprehensive algebra lesson. The use of functional notation and problem-solving techniques keep the material rigorous, but detailed teaching notes and lots of...
Howard County Schools
Constant Rate Exploration
Question: What do rectangles and bathtub volume have in common? Answer: Linear equations. Learn how to identify situations that have constant rates by examining two different situations, one proportional and one not proportional.
Curated OER
Graphing Inequalities in One Variable
Students graph inequalities on a number line. In this algebra lesson plan, students solve linear and compound inequalities and graph them on a number line. They write an inequality given the number line with the solution on it.
Virginia Department of Education
Square Patios
Build a patio from toothpicks and marshmallows to analyze functions! Learners look for patterns in the data as they create different size patios. As they discover patterns, they make connections between the different representations of...
Mathematics Assessment Project
Representing Inequalities Graphically
A new, improved version of the game Battleship? Learners graph linear inequalities on the coordinate plane, then participate in a game where they have to guess coordinate points based on the solution to a system of linear inequalities in...
Curated OER
Addition to Solve System of Linear Equations
In this algebra worksheet, students solve system systems of equation. They use addition to solve the problems. There are 6 questions with an answer key.
Curated OER
Plugging Into The Best Price
Examine data and graph solutions on a coordinate plane with this algebra lesson. Young problem-solvers identify the effect of the slope on the steepness of the line. They use the TI to graph and analyze linear equations.
Curated OER
Introducing y = mx + b
Middle and high schoolers use the slope intercept form to graph a line. In this algebra lesson, pupils rewrite equations from standard form to y-intercept form. They use the slope and y-intercept to graph a line without making a table of...
Illustrative Mathematics
Delivering the Mail
A mail truck travels the same amount of miles per day. It will be up to your algebra learners to find an equation for this mailman’s truck. One needs a good understanding of rate of change and the initial value for this model. The...
Texas Instruments
TI-Nspire™ CAS
When it comes to rating educational calculators, this calculator is always near the top of this list. Now it's available as an app. There is a lot of calculator power wrapped up in this app. Not only is this a fully functioning...
Curated OER
Know the System
Students identify the different systems of equations. In this algebra lesson, students solve systems of equations using graphing, elimination and substitution. They use the Ti to graph their systems.
Curated OER
Exploring Equations and Y-Intercept
Students graph linear equations using intercepts, find y-intercept, find x-intercepts and graph linear equations that use horizontal and vertical lines.
Curated OER
Introducing Linear Terminology
Ninth graders graph linear equations and inequalities in two variables and then, they write equations of lines and find and use the slope and y-intercept
of lines. They use linear equations to model real data and define to define the...
Curated OER
Coordinates and Equations
In this algebra worksheet, students solve linear equations and plot their results on the coordinate plane. There are 20 problems using slopes and intercepts to help graph linear equations.
Curated OER
Tube Viewer Simulation
Students graph linear equations. In this algebra lesson, students discuss the effect the change in one variable has in an equation. They discuss the effect equations have if you chage the value of the variable.
Curated OER
Fourteen Math Regent Exam Statistics Questions on Scatter Plots and Linear Regression
For this linear regression worksheet, students solve fourteen Math Regent Exam questions regarding scatter plots and linear regression. The solutions are provided.
Curated OER
Solving Systems of Equations
Young scholars identify the quadrants and axis of a coordinate plane. In this algebra lesson, students discover the ocrrect way to graph using the coordinate plane. They discuss the relationship between x and y values, domain and range...
Curated OER
How Many Solutions to the System?
Solve systems of equation using graphing! In this algebra activity, learners use the TI to graph two lines and identify the number of solutions. They perform interactive graphing on the navigator.
Curated OER
Stories to Graphs
Students graph their solutions using a linear equation. In this algebra lesson, students rewrite words problems into algebraic equations and graph their solutions. They solve word problems dealing with real lie scenario.
Curated OER
Analyzing Graphs of Two Equations
Students analyze graphs of two equations. In this algebra activity, students rewrite word problems as linear equations. They graph their solution and compare and contrast the two items being represented.
Curated OER
Solving Equations as Word Problems
Students solve linear equations using word problems. In this algebra lesson, students rewrite the word problems by identifying the important information. They make a table and graph their results to analyze it.