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.
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.
Math Words
Math Words: Transitive Property of Equality
The transitive property is discussed here with an example to exemplify the property.
CK-12 Foundation
Ck 12: Algebra: Distributive Property
[Free Registration/Login may be required to access all resource tools.] Students learn to use the Distributive Property to evaluate and simplify numerical and algebraic expressions. Students examine guided notes, review guided practice,...
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...
University of Texas
Inside Mathematics: Boxes [Pdf]
This task challenges students to demonstrate an understand of the concept of equality using scales and balance beams.
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.
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...
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
Utah Education Network
Uen: Pyramid Equality
This lesson plan will result in students solving equations and using properties to form equivalent expressions. It provides downloadable PDF resources to go along with the lesson as well as strategies for diverse learners, extensions and...
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...