Curated OER
Building Paper Bridges
Learners construct a bridge that can hold 100 pennies. In this math lesson, students evaluate the strength of their bridges. They predict how much weight a bridge can hold based on its design.
Curated OER
Pattern Using Unit Cells
Students explore the pattern of the unit cell. In this science lesson, students color the unit cells on a worksheet and create a pattern using unit cells.
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.
Math Planet
Math Planet: Algebra 1: Properties of Equalities
Provides examples and a video lesson that illustrates the properties of equalities.
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.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Addition Property of Equality
A nice tutorial on using the addition property of equality. Provides 4 different example problems that are worked through step-by-step and also provides some practice problems.
OER Commons
Oer Commons: Multiplication Properties of Equality
Seventh graders use the multiplication property of equality to justify their solution to a ratio problem.
CK-12 Foundation
Ck 12: Geometry: Properties of Equality and Congruence
[Free Registration/Login may be required to access all resource tools.] Use equality and congruence properties.
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...
Math Words
Math Words: Equivalence Properties of Equality
The properties of equality are listed with the specific properties exemplified with links.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Multiplication Property of Equality
Thorough coverage of the multiplication property of equality is found at this tutorial. Numerous example problems are worked through and some practice problems are supplied.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Properties of Equality
Find a quick, concise explanation of the properties of equality. Examples are given and clearly explained for each property.
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.
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."
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
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
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."
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
Math.com
Math.com: The Basics of Algebra: Properties of Real Numbers
Students learn about the properties of real numbers through this algebra resource. A learning tutorial and practice problems to check for comprehension of the math concepts are included.
CK-12 Foundation
Ck 12: Algebra: Inverse Property of Addition in Decimal Equations
[Free Registration/Login may be required to access all resource tools.] Identify and apply the inverse property of addition in decimal operations with expressions
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.
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.