Curated OER
Rules of Sign Change
Students manipulate negative and positive numbers. In this integers lesson, students move through three activities exploring negative and positive whole numbers. A number line, cardboard function representation, and solving expressions...
Curated OER
The Pythagorean Theorem
Students explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem lesson, students discuss how the Pythagorean Theorem is used in their lives. Students imagine building a lean-to that is 3 ft. high and 4...
Curated OER
Figure This!
Second graders explore the concept of inequalities. They use the mathematical symbols =, <, > to show relationships among numbers. Students devise and use problem solving strategies to explore the situation.
CK-12 Foundation
Ck 12: Arithmetic: Simple Interest Equation to Find Interest Rate
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the simple interest equation to find an interest rate. Students examine guided notes, review guided practice, watch instructional videos...
Quia
Quia: Easy Algebra Equations
Do you need practice solving algebra equations? This Rags to Riches game is for you! This site has a game show format. There are hints to help you narrow down your choice of answers.
Scholastic
Scholastic: Math Maven's Mysteries: The Secret of E. Quation the Great
Want to figure out a magician's secret for a cool balancing trick? Use your algebra knowledge to discover how this magic trick was done.
Scholastic
Scholastic: Math Maven's Mysteries: The Case of the Skating Bus Driver
The bus is not running in Point Logos because Suzie, the bus driver, has decided to go try out the new "Rocket Skates," at Skate Palace. Help the Math Maven choose an algebraic equation that will tell when the bus driver will be finished...
Math Medics
S.o.s. Math: Algebra
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Math Medics
S.o.s. Math: Solving Equations
This tutorial explains how to solve a variety of equations, from simple to complex, and gives examples and solutions. Students are asked to solve for x before looking at a solution.
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Math Is Fun
Math Is Fun: Introduction to Algebra
How is algebra like solving a puzzle? What is a variable? This simple introduction to algebraic equations offers examples of how to solve for "x" and how to balance equations. Follow a link to a "Simple Algebra Worksheet" when you're...
Can Teach
Can Teach: Target: An Equations Game
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
Free Math Help
Free Math Help: Introduction to Algebra
An explanation of algebra and equations that emphasizes how easy it is to learn the basics. The concept of balancing equations is looked at in detail. This page can be used by teachers in lesson planning or by students who seem to be...
Wyzant
Wyzant: Equation Calculator
Students can input an equation and have the site solve it for them, complete with steps shown and explanations given along the way. Equations must be simple, first- or second-degree with only one variable. A quick list of rules to follow...
Khan Academy
Khan Academy: Exponential Models & Differential Equations
This video, from Khan Academy, is about modeling different things with differential equations and this topic is well explained by modeling population.
CK-12 Foundation
Ck 12: Algebra: Two Step Equations and Properties of Equality
[Free Registration/Login may be required to access all resource tools.] Learn how to solve two-step equations using the properties of equality. Tutorial includes video, lots of examples, and a set of review questions for practice or...
Mangahigh
Mangahigh: Algebra: Explain Relationships Between Numbers
Mangahigh is a website with math games aimed at twelve to eighteen year olds. On this site students recognize, represent and interpret simple number relationships.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Graphing Linear Equations
A simple tutorial that will show you how to graph linear equations and functions after finding the x- and y-intercepts. Provides definitions, steps for sketching a graph, and several examples of linear equations and their graphs....
Department of Defense
Do Dea: Algebra 1: Semester 1: Equations
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
Math Is Fun
Math Is Fun: Balance When Adding and Subtracting
An interactive scale shows you how to deal with numbers and variables when solving simple algebraic equations.
CK-12 Foundation
Ck 12: Algebra: Radical Equations With Variables on Both Sides
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving radical equations with variables on both sides of the equation.
TeachEngineering
Teach Engineering: The Fibonacci Sequence & Robots
Using the LEGO NXT robotics kit, students construct and program robots to illustrate and explore the Fibonacci sequence. Within teams, students are assigned roles: group leader, chassis builder, arm builder, chief programmer, and...
CK-12 Foundation
Ck 12: 2.5 Simple Rational Models
This section draws on previous sections that explored how to add, subtract, multiply, and divide rational numbers in order to solve real-world problems involving rational equations. It explores how to apply these procedures in order to...
CK-12 Foundation
Ck 12: 2.7 Simple Radical Models
This section explores both expressions and equations with radical signs that can be modeled using real-world situations, and provides opportunities to simplify and/or solve problems that require eliminating radicals.