Help Algebra
Help algebra.com: Properties of Real Numbers
Both additive and multiplicative properties of real numbers are presented on this page. An example demonstrates the distributive property.
Washington State University
Washington State University: Real Numbers
This site from Washington State University provides properties and rules of addition and multiplication that help with proofs.
Khan Academy
Khan Academy: Repeated Addition
In this exercise, students practice repeated addition. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly.
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.
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.
ClassFlow
Class Flow: Properties of Math
[Free Registration/Login Required] This flipchart is an introduction and application of three principle properties of mathematics. Students will identify and apply the Identity, Commutative, and Associative Properties of addition and...
Oswego City School District
Regents Exam Prep Center: More Practice With Properties of Real Numbers
How well do you know your number properties? Take this quiz and find out what you know or what you don't know. Immediate feedback. Check your answer right online.
Oswego City School District
Regents Exam Prep Center: Practicing With Properties of Real Numbers
Test your knowledge of the number properties. This challenging practice really puts you to the test. Assessment covers all number theory properties: associative, commutative, distributive, inverse, and identity.
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
Sophia Learning
Sophia: Using Commutativity
Take a look at the commutative property of addition and multiplication and take quiz to assess learning.
Khan Academy
Khan Academy: Patterns in Multiplication Tables
Practice discovering and explaining patterns in multiplication tables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.OA.D.9 Identify...
Integrated Publishing
Integrated Publishing: Inequalities
Read an explanation of both the addition and multiplication properties of inequalities. Examples and practice problems (with their solutions) are also provided.
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...
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...
Other
Chili Math: The Distributive Property of Multiplication Over Addition
The distributive property of multiplication over addition allows us to eliminate the grouping symbol, usually in the form of parenthesis. Illustrates the basic pattern or formula and how to apply it.
Scholastic
Scholastic: Study Jams! Math: Multiplication and Division : Distributive Property
Just like addition, multiplication has properties too. The distributive property shows that you can write a number sentence in different ways and still get the same result. Students watch an interactive tutorial, explore common mistakes...
Better Lesson
Better Lesson: Associative Property
Children need to understand why the mathematical properties work and how they are applied. In this lesson, we explore modeling and "proving" the associative property.
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.
Illustrative Mathematics
Illustrative Mathematics: 5.md,oa You Can Multiply Three Numbers in Any Order
The purpose of this task is for students to use the volume of a rectangular prism to see why you can multiply three numbers in any order you want and still get the same result. Aligns with 5.OA.A and 5.MD.C.5.
ClassFlow
Class Flow: Commutative Property
[Free Registration/Login Required] This is the first lesson in a unit on the properties of addition and multiplication. It covers the commutative property and includes a short video clip, internet website, and Activote assessment.
Math Aids
Math Aids: Properties Worksheets
Great resource for learning and practicing the different properties of mathematics. Math worksheets are printable, may be customized, and include answer keys.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Properties of Real Numbers
Find definitions and examples of commutative property, associative property, distributive property, identity property, inverse property, and multiplicative inverse. This tutorial also offers practice exercises for you to complete after...
University of St. Andrews (UK)
University of St. Andrews: Brahmagupta
Brahmagupta was a mathematician and an astronomer. He is responsible for the addition and multiplication properties of zero.