Sophia Learning
Sophia: Properties of Equality
This video lesson reviews the properties of equality and demonstrates how to use them to solve equations. Students can check their understanding with an assessment.
CK-12 Foundation
Ck 12: Geometry: Properties of Equality and Congruence
[Free Registration/Login may be required to access all resource tools.] This concept reviews properties of equality and congruence.
Sophia Learning
Sophia: Using the Substitution Property of Equality: Lesson 2
This lesson will explain how to use the Substitution Property of Equality to evaluate an algebraic expression. It is 2 of 6 in the series titled "Using the Substitution Property of Equality."
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.
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
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...