CK-12 Foundation
Ck 12: Elem Math: Identifying the Properties of Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying the properties of squares.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Some Rules of Algebra
Here is a site that clearly and thoroughly explains many rules of algebra, such as the commutative property and the addition property of equality. There are example problems solved, problems for the student to attempt, and answers to the...
Texas Instruments
Texas Instruments: Linear Equations: Using Algebra
Students learn to solve one-step and two-step linear equations. They understand algebraic concepts relating to linear equations such as isolating the variable, balancing equations, and checking solutions. Students also learn the...
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Properties of Real Numbers
After finishing this tutorial, you'll be well versed in various properties of real numbers: identity and inverse properties, commutative and associative properties, and distributive properties. You'll also know about the various symbols...
Illustrative Mathematics
Illustrative Mathematics: 6.ee Equivalent Expressions
In this problem, we have to transform expressions using the distributive, commutative and associative properties to decide which expressions are equivalent. Common mistakes are addressed, such as not distributing the 2 correctly. Aligns...
CK-12 Foundation
Ck 12: Geometry: Proofs Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews proofs: algebraic proof, properties of congruence, and geometric proofs (two-column).
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...
Other
Equivalence Relation of Equality
Each of the three equivalence relations of equality are given. The site exemplifies the equivalence relationship of equality as well as others. The site then turns to a more complicated explanation involving partitioning and generating...
ClassFlow
Class Flow: Trigonometric Functions
[Free Registration/Login Required] After a quick review of properties in Algebra- addition property of equality and multiplication property of equality- students are guided through all solutions using numerous strategies including back...
Math Words
Math Words: Symmetric Property of Equality
The symmetric property is defined and illustrated.
Other
Algebra.com: Solution: Given a System of Two Equations in Two Variables
This activity shows an example of how to solve a system of equations using elimination. Each step is explained in detail. Additional links are provided for more information on properties of equality, solving equations, and solving a...
CK-12 Foundation
Ck 12: Algebra Ii: 1.1 Zero Product Property
This section explores the process for finding values for x that make polynomial equality true when written in terms of x and set equal to zero.
CK-12 Foundation
Ck 12: Algebra: Division to Solve Decimal Equations
[Free Registration/Login may be required to access all resource tools.] This site helps students to learn to identify and apply the inverse property of multiplication in decimal operations with expressions. Students master the concept by...
Oswego City School District
Regents Exam Prep Center: Theorems and Postulates for Geometry
Here is a partial list of theorems, postulates, and properties.
Texas Education Agency
Texas Gateway: Solving Linear Inequalities
The student will represent linear inequalities using equations, tables, and graphs. The student will solve linear inequalities using graphs or properties of equality, and determine whether or not a given point is a solution to a linear...
CK-12 Foundation
Ck 12: Algebra: Single Variable Division Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable division equations
CK-12 Foundation
Ck 12: Algebra: Single Variable Multiplication Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable multiplication equations
CK-12 Foundation
Ck 12: Algebra: One Step Equations and Inverse Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve one-step equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Library of Congress
Loc: America's Story: 14th Amendment to the Constitution
After the Civil War, the 14th amendment granted citizenship to all people born or naturalized in the United States. This included former slaves. Learn about the protections this amendment offers to citizens, including those who were once...
Texas Instruments
Texas Instruments: Linear Inequalities: Using Algebra
Students learn to solve inequalities using one and two steps. They review the properties of inequalities.
Texas Instruments
Texas Instruments: Roll the Dice
In this activity, students use the order of operations and number properties to create a unique expression from a set of numbers that must equal another number.
National High Magnetic Field Laboratory
Magnet Academy: Joseph Henry
Joseph Henry was an American scientist who pioneered the construction of strong, practical electromagnets and built one of the first electromagnetic motors. During his experiments with electromagnetism, Henry discovered the property of...
Better Lesson
Better Lesson: Introduction to Solving Equations
Sixth graders work with the concept of equality and balance to solve one and two-step algebraic equations.