Texas Instruments
Variables and Expressions
Students solve equations by writing expressions. In this algebra lesson, students identify the different values for each variable. They use the navigator to see how to solve equations.
Math Mammoth
Variables and Expressions
In this variable and expression learning exercise, students differentiate between variables and expressions. They write algebraic expressions using exponents and interpret algebraic expressions into words. This one-page learning exercise...
Curated OER
Exploring Expressions
Examine parts of an expression in this algebra lesson. Ninth graders identify the properties of the coefficient and their behavior to the graph. They graph the equation on a TI to see their results.
Curated OER
Representing Patterns & Evaluating Expressions
Write algebraic expressions, determine patterns, and evaluate expressions in a real-world context. Learners engage in a series of collaborative activities to identify, model, and give variables for real-world patterns. They write...
Curated OER
Order of Operations with Variable Expressions
Middle schoolers explore grouping symbols to mathematical equations to discover the importance of the "order of operations." Learners compare the absence of commas in connected text to the absence of grouping symbols in mathematical...
Kent State University
How Does that Work?
Sixth and seventh graders explore algebra word problems. They work with a partner to solve word problems distributed by e-mail. Learners simplify mathematical expressions following a "think aloud" algebra strategy modeled by the teacher....
Curated OER
Number Lines, Variables, Solving for One Variable
Review basic algebraic rules of addition of integers. Then have the class define a variable and explore methods of solving equations with one variable. They observe solving expressions using inverse operations and simplifying solutions....
Curated OER
Patterns and Algebraic Expressions
Scholars will solve problems, create patterns, and write algebraic expressions. In addition, they will learn how to represent a number with a variable.
Curated OER
Graphing and Interpreting Linear Equations in Two Variables
Graph linear equations using a table of values. Learners solve equations in two variables using standard form of an equation. They identify the relationship between x and y values.
Curated OER
Understanding Variables
Students solve linear equations and identify the unknown. In this algebra lesson, students define a variable and use addition, subtraction, multiplication and division to solve. They change the equation depending on the value of the...
National Security Agency
Equations and Expressions
Learners demonstrate their knowledge pictorially, concretely, and abstractly in this unit meant to last three hours over three days. Using hands-on activities, manipulatives, real-world applications, and problem...
Curated OER
From Expressions to Equations
Learners differentiate between expression and equation by evaluating integers and observing the difference. They use the TI to see the steps to solve problems.
Curated OER
Evaluation Expressions
High schoolers explore algebraic expressions in this Algebra I lesson plan. They evaluate expressions using paper and pencil and then use the TI-83 to provide immediate reinforcements.
McGraw Hill
Adding and Subtracting Radicals
Help remove some of the confusion surrounding the addition and subtraction of radical numbers with this set skills practice problems. Taken straight from the pages of a math text book, this resource provides learners with...
Khan Academy
Challenge: Mickey Mouse Ears
My, what big ears you have! Novice JavaScript programmers adjust Mickey's ears to be proportional with his face and any changes to it. The key is to use variable expressions so that the values used are dependent upon the variable that...
Math Mammoth
Expressions
In this math activity, students solve the expressions with using the values of the variables to find the solutions. They also solve the set of proportions.
Curated OER
Equations in the Park
Learners explore algebraic concepts using real life situations. For this equations lesson, students develop strategies to solve missing number problems. Learners participate in a board game based on algebraic equations.
Mathematics Assessment Project
Solving Linear Equations in One Variable
A thorough and professional appearance characterizes a lesson plan on linear equations. Maturing mathematicians are taught to identify and exemplify linear equations with a single variable. They also classify equations according to the...
Curated OER
Substitute into Simple Expressions
Learners simplify simple equations. Using a maze game, young mathematicians speculate about the size of different algebraic values and what other equivalent expressions might look like. It is a nice beginning activity for introducing...
Curated OER
Symbols in Algebra
Students name and sketch numerical expressions. In this order of operation lesson, students add, subtract, multiply and divide using the correct order of operation. They perform four specific calculations for their motivation lesson.
Utah Education Network (UEN)
Solving Single-Variable Equations Part II
Brainiacs explore the concept of solving single-variable equations.They use inverse operations to solve equations, and participate in activities such as balancing an equation scale. This is an awesome lesson, complete with game...
Alabama Learning Exchange
Color This Polynomial Simplified
Help learners use a variety of methods to identify, visualize, and simplify polynomials with like terms. Several different visuals are used to introduce the instructional activity, such as colored pencils, overheads, interactive white...
Curated OER
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...
Illustrative Mathematics
Triangular Tables
Somewhat of a puzzle, this problem gets pre-algebra preteens to write an expression representing a seating chart using triangle-shaped tables. This single task is an applicable lesson for meeting sixth grade Common Core math standards....