Curated OER
Simplifying Expressions (Multiplication and Division)
Seventh graders simplify algebraic expressions using multiplication and division to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Students complete various...
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
Words to Numbers
Seventh graders translate word problems into numerical expressions. Through guided practice, 7th graders discover how to take the information contained in a word problem and create a numerical expression using variables. They...
Curated OER
Graphing Linear Equations and Slopes
Students explore linear equations, parallel lines, perpendicular lines and slopes. Using computers with graphic calculators and word processing, students examine the relationship between the slopes of perpendicular lines and parallel...
Curated OER
Balanced Or Unbalanced
Students use physical models and graphs in order to solve problems that have their origin in the real world that require algebraic thinking. The words are changed into equations and inequalities in order to be solved. This requires...
Curated OER
Connecting Algebraic Reasoning to Models
Students analyze relating a model to an algebraic equation and visa versa. Patterns are reviewed in detail and then in pairs new models are created and then translated into a word problem or equation. They illustrate their models on...
Curated OER
Algebra: Linear Equations
Students investigate the mathematical concept of linear equations. They use codes to lead the discussion. The teacher makes clarification as necessary during the class discussion. The lesson includes dialogue to be used by the teacher.
Curated OER
Eggs On My Head
Students apply math skills using formulas to solve a Physics equation. Working individually, students create an equation to calculate the drop rate of an egg from a tower so it will hit a specified target, the teacher. Students test...
Curated OER
Figuring Out Equations With Figurines
Students inspect solving equations with one variable. Through the use of a scale balance, they examine the importance of equality in an equation. By playing a balance game with figurines and a scale, students discover methods of...
Curated OER
Linear and Non-Linear Equations
Students study linear and non-linear equations. After a teacher demonstration, they use calculators to solve and graph equations. They distinguish the difference between linear and non-linear equations.
Curated OER
Graphing Linear Functions
Students practice solving systems of linear equations using the substitution and elimination methods. They determine if the system has one, infinite or no solution. Students also graph the linear equations.
Curated OER
Solving Inequalities
Eighth graders participate in a lesson that covers the concept of an algebraic inequality. They practice recognizing the symbols used in an inequality and solving them using the methods that are similar to solving equations.
Curated OER
Solve and check multi-step equations and inequalities
Students participate in a lesson that is concerned with the solving of multiple step equations and inequalities. The use of algebra tiles translates the information well for the kinesthetic learners. Then the skills are used to solve the...
Curated OER
Solving One-Step Equations
Ninth graders explore the concept of a simple equation. They use addition and subtraction in one step in order to find balance to both sides of the equation. Students are encouraged to succeed using positive praise at the beginning of...
Curated OER
Algebra I: The Play
Students create their plays to demonstrate concepts from Algebra I. They collaborate in small groups to add music and dancing to their plays. They analyze the suggestions from the previous class as they revise their plays.
Curated OER
Algebra I: The Play
Young scholars revise their Algebra plays. They collaborate in small groups to work on different aspects of the play and report to the class. They make modifications to their plans and review the Musical Rubric to incorporate the...
Curated OER
Linear Patterns in Data
Eighth graders extend their learning of graphing linear equations and are introduced to connecting patterns in tables and graphs to represent algebraic representations. They then determine patterns and extrapolate information from these...
Curated OER
I Can Do This! Systems of Equations
Students solve systems of 2-by-2 linear equations using tables,
graphs and substitution. In small groups, classmates work together to discover strategies for solving equations. They use a calculator to graphically represent their answers.
Curated OER
Solving Equations (Multiplication and Division)
Seventh graders, after explaining in writing the steps they would take to solve 4+x-2=6 as a warm up, solve multiplication/division equations using manipulative's. They generalize a method to problem solving with coins.
Curated OER
Introduction to Pre-Algebra
Students explore adding and subtracting positive numbers. Students discuss the use of algebra in our daily lives. They examine the algebraic equations and observe their solutions. Students work on the board and at their desks to solve...
Curated OER
Mobile vs. Money
Students research the internet and use the information they find to plot straight line graphs. They use graphs to make comparisons of the various packages offered. Students interpret graphs and solve problems based on varying parameters.
Curated OER
Batting the Unknown
Students use batting averages to provide a measure of a player's past success. They use Algebra to calculate required performance to improve the average. Students compare baseball batting statistics early in the season and late in the...
Curated OER
Matrices In Encryption And Decryption Of Codes
Students relate Cryptography to the solving of simultaneous linear equations in matrix notation. They explore various methods of encrypting and decrypting codes. Pupils discuss and solve simultaneous linear equations.
Curated OER
Secret Sharing with Linear Equations
Students use linear equations to reveal a secret message. They practice writing linear equations from two ordered pairs. Students determine the y-intercept of the line from the equation. They reveal the secret message from the teacher.