Help Algebra
Help algebra.com: Addition Principle
Beginning with a discussion of equivalent equation, this site describes the Addition Principle and how it is used to help solve algebraic equations.
AAA Math
Aaa Math: Properties of Addition
Explains the four mathematic properties of addition. Gives exercises and games to practice this skill.
ClassFlow
Class Flow: Additive Inverse Property
[Free Registration/Login Required] This flipchart explores the Additive Inverse Property.
NumberNut
Number Nut: Carrying Like Addition
Use what you already know about addition to master this skill in multiplication. This lesson reviews the concept of carrying in multiplication. Detailed examples are provided along with interactive games to practice the skills learned....
Other
Ask Lois Terms: Distributive Property
So, you don't know what the distributive property is. Never fear, just ask Lois! She knows all about the "Properties." Find this definition and others in this site were kids can email questions about math and get answers. Math terms...
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.
OER Commons
Oer Commons: Simplifying Numerical Expressions
Seventh graders use the distributive property to rewrite and solve multiplication problems. Then they apply addition and multiplication properties to simplify numerical expressions.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Elementary Addition
This resource offers six brief arithmetic lessons: sums less than ten, sums of ten, and sums between ten and twenty, doubling, zero, and a set of general practice problems.
Quia
Ixl Learning: The Identity Property
Brush up on your math skills relating to the identity property then try some practice problems to test your understanding.
Sophia Learning
Sophia: Using the Associative Properties of Addition and Multiplication
This lesson will demonstrate how to use the Associative Properties of Addition and Multiplication.
Sophia Learning
Sophia: Using the Commutative Properties of Addition and Multiplication
This lesson will demonstrate how to use the Commutative Properties of Addition and Multiplication.
ClassFlow
Class Flow: Solving Equations: Addition and Place Value
[Free Registration/Login Required] This is a very interactive lesson to teach the students how to solve equations and word problems using the addition properties. The lesson includes Activote questions and student interaction.
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...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Commutative, Associative, Distributive
Find a quick, concise explanation of the Arithmetic Properties-Associative, Commutative, and Distributive Properties. Examples are given for each property to help you understand how to recognize and apply each property.
Sophia Learning
Sophia: Using Commutativity
Take a look at the commutative property of addition and multiplication and take quiz to assess learning.
Cuemath
Cuemath: Integers
The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...
Illustrative Mathematics
Illustrative Mathematics: 3.oa Making a Ten
This task builds on that knowledge by asking them to study more carefully the make-a-ten strategy that they should already know and use intuitively. Aligns with CCSS.Math.Content.3.OA.D.9 Identify arithmetic patterns, and explain them...
Khan Academy
Khan Academy: Integers: Negative Numbers: Number Opposites
Students take a quiz over the concept of integer opposites, also known as additive inverses. After answering each question they are given feedback. Hints are available but affect the score. If students are still struggling with the...
Better Lesson
Better Lesson: Any Order
The numbers in an addition number sentence (addends) can be added in any order and the sum remains the same.
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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Distributive Property Illustrated
This is part of a math forum at Drexel University. A student gets frustrated when asked to solve a problem using the distributive property. Never fear. Dr. Math to the rescue! Illustrations and detailed examples help provide...
ClassFlow
Class Flow: Associative Property
[Free Registration/Login Required] This is lesson two in a unit on the commutative and associative properties. It includes a United Streaming video and Activote session.
McGraw Hill
Mc Graw Hill: The Additive Inverse Property
The sum of any number and its additive inverse is always a zero. This site gives you the rule for this property.
Oswego City School District
Regents Exam Prep Center: Closure Property
This site gives a very clear discussion on the topic of closure of sets over an operation with many examples.
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