Curated OER
Algebra: Linear Equations
In this Algebra I worksheet, 9th graders evaluate algebraic expressions, solve one- and two-step equations, and use equations to solve word problems. The three page worksheet contains fifty problems. Answers are provided.
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Simple Inequalities
Students solve inequalities. In this inequalities instructional activity, students evaluate simple inequalities. They examine vocabulary words. Students participate in breath holding activities and write inequalities to represent the...
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Interesting Integers and Exciting Equations
An 80-page resource provides four lessons and all associated worksheets to teach middle schoolers about expressions and equations. The lessons are hands-on, using games, "integer chips," a balance and cubes, and cut and paste activities....
Alabama Learning Exchange
Solving Formulas for the Given Variable
Recycle, reuse, and rearrange! Young scholars learn to rearrange formulas to highlight a variable of interest. They then use their new formulas to make calculations.
Curated OER
Practice Solving Equations
Students practice solving equations. In this algebra instructional activity, students solve a variety of linear equations using addition, subtraction, multiplication, inverse and division. They solve equations with more than one step and...
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Solving equations with the balance method
Ninth graders solve and balance equations. In this algebra lesson plan, 9th graders solve equations using the balance method. They divide, add, multiply, and subtract to solve for the unknown. They apply the concept of "what you do to...
Curated OER
Linear Equations ax + b = c variations
For this algebra worksheet, students solve linear equations using 2 steps of addition, multiplication, division and subtraction. There are 34 questions with an answer key.
Curated OER
Solving Equations with Addition and SUbtraction
Students solve linear equations. In this algebra lesson, students isolate the variable on one side of the equal sign and solve for x. They rewrite word problems and solve for x.
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Balancing and Solving Equations
Young scholars apply a traditional method when solving and balancing equations. In this algebra activity, students organize their work showing each step they used to solve one and two steps equations. They solve equations with fractional...
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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...
Curated OER
Solving Equations
In this Algebra I learning exercise, 9th graders solve multi-step equations with variable and constants on both sides of the equal sign. The equations have non-integer solutions. The five page learning exercise contains fifty...
Curated OER
Algebra: Solving Equations
In this solving equations activity, students write stories for given equations. They solve for the unknown. This one-page activity contains 8 problems.
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Residential Power System
Perform data analysis on energy consumption to apply algebraic expressions to the real world. Learners will write and solve equations that answer various questions from residential power use. They will collect data at home and calculate...
02 x 02 Worksheets
Absolute Value Equations and Inequalities
Demonstrate the meaning of an absolute inequality using three different methods. Here, scholars explore absolute value inequalities through graphing, number line distance, and compound inequalities. Pupils complete various activities to...
Curated OER
Linear Programming
Students explore inequalities to determine the optimal solution to maximize a profit for a company. In this linear programming lesson, students discover how to graph inequalities and how to determine the algebraic representation of a...
West Contra Costa Unified School District
Work Problems – Bar Models
Why do we have to do so much work? Scholars learn how to set up bar models to represent a situation involving work. They use these bar models to help set up equations with rational coefficients to solve the problem situation.
Curated OER
Algebra 1, Unit 7, Lesson 8: Practice Finding the Equation of a Line
Students solve systems of linear equations by graphing. The introduction of the lesson asks students to work in pairs or small groups to graph a line when given two points. Students graph 14 equations on the same coordinate grid to...
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Peter's Third String
Explore the solution to a word problem involving area and perimeter. Learners read and discuss how to approach the problem. In small groups, they determine the maximum area of a rectangle with a given perimeter using a piece of string....
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Fibonacci II
Study Fibonacci sequences and see a related set of numbers. Learn and review Lucas numbers and use of quadratic equations to find a general term of a sequence of numbers that is generated by a recurrence relation similar to Fibonacci's.
Curated OER
Real-World Linear Programming
Explore linear programming on a website game. Partners solve a real-world problem by setting up an objective function and a linear inequality. They graph their results on chart paper and also using a calculator before presenting their...
Ohio Department of Education
The Solution is Complex
Consider complex numbers, roots, and quadratic equations. Use the discriminate as a way to determine the nature of a quadratic's roots. Then discuss the similarities and differences between quadratics with two, one, or no real roots....
West Contra Costa Unified School District
Using Bar Models to Solve Rate Problems
Pupils visualize distance-rate-time problems by using bar models. The lesson presents examples of four different types of rate problems and shows how they can be solved using bar models and equations. Each example is followed...
West Contra Costa Unified School District
Linear-Quadratic Systems
Why do I have to learn two different ways to solve linear-quadratic systems? Isn't one way enough? Learners first investigate the three possible situations for linear-quadratic systems (two, one, or zero solutions), then solve such...
Curated OER
Accurately Weighing Pennies I
Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.