Better Lesson
Better Lesson: Solving Linear Equations in Two Variables
This MAP Classroom Challenge provides young scholars with an engaging and thought-provoking activity about notebooks, pens and cash registers to learn about solving equations in two variables. Includes assessment materials, student...
Rice University
Hyper Stat Online Statistics Textbook: Four Basic Statistics Variables
The basic definitions of four statistics variables - quantitative, qualitative, dependent and independent - are provided here.
Science Education Resource Center at Carleton College
Serc: Math You Need: Rearranging Equations to Solve for a Given Variable
This tutorial guides students through the steps in rearranging science formulas to solve for different variables. Includes practice exercises based on a variety of formulas.
Khan Academy
Khan Academy: Dependent and Independent Variables
In this exercise, students practice identifying dependent and independent variables. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Better Lesson
Better Lesson: Variables
Children will learn the term variable and then work to "attack" a problem using what they know about the relationship between multiplication and division to solve for an unknown.
Khan Academy
Khan Academy: Constraint Solutions of Two Variable Inequalities
Find the range of values of one variable that corresponds to a given value of the other variable in a linear inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...
Khan Academy
Khan Academy: Two Variable Inequalities Word Problems
Solve word problems that involve linear inequalities in two variables.
Khan Academy
Khan Academy: Two Variable Inequalities From Their Graphs
Fit an algebraic two-variable inequality to its appropriate graph.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Linear Equations in One Variable
After completing this tutorial, you'll know what a linear equation is and how to solve one using various arithmetic properties. Contains several definitions, problems with step-by-step solutions, and practice exercises. Includes links to...
Rice University
Hyper Stat Online Statistics Textbook: Continuous and Discrete Variables
The basic definitions of continuous and discrete statistics variables are provided here.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Morning Walk
This task presents a straight forward question that can be solved using an equation in one variable. The numbers are complicated enough so that it is natural to set up an equation rather than solve the problem in one's head. Aligns with...
TeachEngineering
Teach Engineering: Balsa Glider Competition
The purpose of this activity is to bring together the students' knowledge of engineering and airplanes and the creation of a glider model to determine how each modification affects the flight. The students will use a design procedure...
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Introduction to Variable Expressions
A tutorial that covers evaluating and simplifying different types of expressions. Find definitions and examples of exponential notation, order of operations, variables, and algebraic expressions, and complete practice exercises through...
Other
Ibm: Integer Variables
A description of integer primitive data types and how they are implemented in the C and C++ programming languages.
BBC
Bbc Bitesize: Data Structures and Data Types: Variables and Constants
Computer programs usually use data in some shape or form expressed as varaiables and constants.
Vassar College
Vassar College: Multiple Regression
This is an interactive site allowing the student to input data (one dependent and three independent variables) and then letting the computer calculate the regression between these multiple forces.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Systems of Linear Equations in Two Var.
This tutorial will guide you through several tasks associated with systems of linear equations in two variables. Complete with definitions, problems with step-by-step solutions, and example exercises for you to complete and check.
Science Buddies
Science Buddies: Let's Go Fly a Kite!
By making a simple sled kite from the template provided and using the suggestions in the Science Buddies project, you can experiment with variables that test different aspects of flight. The Science Buddies project ideas are set up...
Shodor Education Foundation
Shodor Interactivate: Lessons: Advanced Fire
Lesson plan to help students understand independent and dependent variables through a fire probability simulation.
Other
Desmos: Central Park
In this real-world application of algebra, students develop designs for parking lots in Central Park. They go through a process of guessing a design, calculating the layout, using variables so their equation works for the design of any...
Alabama Learning Exchange
Alex: Express Yourself
This lesson plan walks students through using variables to translate between algebraic expressions and English phrases and sentences. It gives an assessment and ideas for remediation, extension as well as ways to manage behavior problems...
Discovery Education
Discovery Education: Web Math: Solve a Linear Equation Involving One Unknown
This WebMath site explains how to enter your equation with one variable and solve for that variable. It explains step-by-step how to solve the equations and gives the final solutions.
Texas Instruments
Texas Instruments: Domain and Range
This StudyCard stack uses real-world contexts to teach the concepts of independent and dependent variables, and then domain and range. It includes practical examples at the end.
Illustrative Mathematics
Illustrative Mathematics: A Sse Increasing or Decreasing? Variation 1
This task asks students to examine an expression that has a denominator represented by the addition of two fractions. Each of those fractions has a denominator that is a variable. They are asked to analyze the structure of the expression...
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