Sophia Learning
Sophia: Using the Substitution Property of Equality: Lesson 4
This lesson will explain how to use the Substitution Property of Equality to evaluate an algebraic expression. It is 4 of 6 in the series titled "Using the Substitution Property of Equality."
University of Vienna (Austria)
University of Vienna: Substituting Terms in Terms
Interactive assessment that tests knowledge of substitution properties of equality. Some problems involve substituting values for variables, while some involve substituting expressions for variables.
Sophia Learning
Sophia: Reflexive Property of Congruence and Equality: Lesson 6
This lesson will introduce the reflexive property of congruence, and the reflexive property of equality. It is 6 of 6 in the series titled "Reflexive Property of Congruence and Equality."
CK-12 Foundation
Ck 12: Algebra: Two Step Equations and Properties of Equality
[Free Registration/Login may be required to access all resource tools.] Solve equations that require two operations to isolate the variable.
CK-12 Foundation
Ck 12: Algebra: Two Step Equations and Properties of Equality
[Free Registration/Login may be required to access all resource tools.] Solve two-step equations for the missing variable
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...
Help Algebra
Help algebra.com: Using Principles of Equality
An equation is solved using both the addition and multiplication principles of equality. This example can be used as a model for solving similar equations.
CK-12 Foundation
Ck 12: Algebra: Inverse Property of Addition in Fraction Equations
[Free Registration/Login may be required to access all resource tools.] Identify and apply the inverse property of addition in fraction operations
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...
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.
McGraw Hill
Glencoe Mathematics: Quiz on Properties of Equaltiy
This site is a short on line quiz covering the properties of equality. The topics covered include operations and equivalence relations.
CK-12 Foundation
Ck 12: Algebra: Two Step Equations and Properties of Equality
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving equations with two steps.
Alabama Learning Exchange
Alex: Fortune Properties
This lesson teaches students how to recognize and apply the Identity Property and Equality Properties by simplifying algebraic expressions.
University of Texas
Inside Mathematics: Boxes [Pdf]
This task challenges young scholars to demonstrate an understand of the concept of equality using scales and balance beams.
Math Words
Math Words: Transitive Property of Equality
The transitive property is discussed here with an example to exemplify the property.
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: 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: 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...
CK-12 Foundation
Ck 12: Algebra: Expressions and the Distributive Property
[Free Registration/Login may be required to access all resource tools.] Use the distributive property to write equivalent numerical and algebraic expressions
University of Saskatchewan (Canada)
University of Saskatchewan: Inequalities
This University of Saskatchewan looks at the basic rules of solving inequalities, concentrating on inequalities with absolute values. Includes example problems and exercises with their solutions.
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
TeachEngineering
Teach Engineering: All Fat Is Not Created Equally!
Students learn that fats found in the foods we eat are not all the same; they discover that physical properties of materials are related to their chemical structures. Provided with several samples of commonly used fats with different...
Other
Girl Scouts of the Usa: Lighten Up! Discovering the Science of Light [Pdf]
A 36-page booklet of activities and experiments for exploring the properties of and nature of light. Includes a section on careers in optics. As this is a Girl Scouts booklet, it was created with girls in mind, but would be equally...
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...