Curated OER
Solving Systems via Elimination (Multiplication Method)
Ninth graders investigate systems of linear equations. In this Algebra I lesson, 9th graders solve systems of linear equations using the elimination method. Equations are written in standard form.
Curated OER
Graphing from Slope-Intercept Form: Practice A
Ninth graders investigate the slope-intercept form of a line. For this Algebra I lesson, 9th graders graph linear equations by using the slope and y-intercept.
Curated OER
The Phone Bill Problem
Students write an equation for a linear function. In this algebra lesson, students collect data, plot it and graph it. They identify the equation of the graphed data and define the slope and y-intercept of the graph.
Curated OER
Solving Systems by Graphing
Students solve systems of equation through graphing. In this algebra lesson plan, students solve linear equations and analyze the result to figure out if there is one solution, no solution or infinitely many solutions. They graph their...
Curated OER
Find Equation of Straight Line
For this algebra worksheet, 9th graders are given the slope and y-intercept and asked to find the equation of a line. There are 7 questions with an answer key.
Curated OER
Move It
Studens collect and graph data. In this algebra instructional activity, students use a CBL and CBR with a TI Calcualtor to observe linear graphs. They use the correct vocabualry as they discuss the collected data.
Curated OER
Solving Systems by Substitution
Students solve systems of linear equations using substitution. They investigate the steps to solving linear equations by substitution and practice problems in small groups.
Curated OER
The Meaning of Algebraic Expressions
Students define equations and expressions. In this algebra lesson, students review important vocabulary words to do with equations and solving problems. They simplify equations and expressions using addition, subtraction, multiplication...
Curated OER
Tube Viewer Simulation
Students graph linear equations. In this algebra lesson plan, 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
Adding and Subtracting Algebraic Expressions (Combining Like Terms)
Everyone loves math when it includes food! This lesson tries to take the notion of combining like terms in algebra and comparing it to sorting apples and oranges. It takes a step-by-step approach to helping students understand this...
Curated OER
Translate Word Phrases and Sentences into Equations
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...
Curated OER
Introduction to Linear Algebra 2.1
In this linear equation worksheet, students identify the vector space of a given matrices and find the appropriate system of equations for each of four solutions. Then they solve the system and write their conclusion.
Curated OER
More preparation for the Picture Project
Students graph linear equations and make a poster. In this algebra lesson plan, students write the equation of a line, and identify the domain or x-value of the graph. They create picture for their project.
EngageNY
Relationships Between Two Numerical Variables
Working in small groups and in pairs, classmates build an understanding of what types of relationships can be used to model individual scatter plots. The nonlinear scatter plots in this lesson plan on relationships between two numerical...
EngageNY
Modeling a Context from Data (part 1)
While creating models from data, pupils make decisions about precision. Exercises are provided that require linear, quadratic, or exponential models based upon the desired precision.
EngageNY
Analyzing a Graph
Collaborative groups utilize their knowledge of parent functions and transformations to determine the equations associated with graphs. The graph is then related to the scenario it represents.
EngageNY
Mixture Problems
What percent of the mixture is juice? Pairs use their knowledge of proportions to determine what percent a mixture is juice given the percent of juice in the components. Pupils use the procedure learned with the juice mixture problem to...
Curated OER
Sets, Relations, and Functions
Sets, relations, functions, and graphing linear equations are practiced in this challenging instructional activity. The class determines if a relation is a function or not and find the functional value of a domain element. The one page...
Illustrative Mathematics
Fruit Salad
Playing with values in this fruit salad problem allows learners to find out how many cherries were mixed in. Your middle schoolers can organize their thoughts in a chart before going into the equation. Eigth graders can skip the chart...
Curated OER
Number Problems
Students write equations for problems. In this number lesson, students add, subtract, multiply and divide numbers to solve for a variable. They rewrite word problems using algebraic symbols.
Annenberg Foundation
Skeeters Are Overrunning the World
Skeeters are used to model linear and exponential population growth in a wonderfully organized lesson plan including teachers' and students' notes, an assignment, graphs, tables, and equations. Filled with constant deep-reaching...
West Contra Costa Unified School District
Motion Problems
Let's hope class participants don't get motion sickness. In the lesson plan, class members first solve motion problems using tables and graphs. They then use algebraic techniques to solve motion problems.
EngageNY
Modeling with Quadratic Functions (part 2)
How many points are needed to define a unique parabola? Individuals work with data to answer this question. Ultimately, they determine the quadratic model when given three points. The concept is applied to data from a dropped...
Curated OER
Border Patrol
Young scholars investigate systems of linear inequalities as they apply to an area of land. They practice graphing systems and determine if a point lies in the solution.