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K-5 Math Teaching Resources
K 5 Math Teaching Resources: Turn Around Trains [Pdf]
Play a game with cubes to explore commutative property of addition.
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.
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.
Sophia Learning
Sophia: Addition Is Commutative Tutorial
The commutative property is explained and examples are given in this lesson.
Shodor Education Foundation
Shodor Interactivate: Identity Properties
The resource consists of a discussion between a mentor and two students about how to use additive and multiplicative identity and inverse properties. Examples and explanations of each are included.
Help Algebra
Help algebra.com: Getting Rid of Parentheses
Resource explains how to simplify several types of expressions that contain expressions using the properties of addition and multiplication and applying the properties with the order of operations.
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
CK-12 Foundation
Ck 12: Polar Form of Complex Numbers
[Free Registration/Login may be required to access all resource tools.] Represent addition, subtraction, multiplication, and conjugation of complex numbers geometrically on the complex plane; use properties of this representation for...
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...
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.
CK-12 Foundation
Ck 12: Algebra: Single Variable Addition Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable addition equations
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...
ClassFlow
Class Flow: Fact Families
[Free Registration/Login Required] In this activity, students use the visual cues from a fact family triangle, manipulatives and numbers to understand and apply the concepts and procedures of mathematics including addition, subtraction,...
Mocomi & Anibrain Digital Technologies
Mocomi: Addition and Subtraction of Integers
Explores the commutative, associative, and distributive properties of integers, and rules for adding and subtracting them.
CK-12 Foundation
Ck 12: Algebra: Single Variable Addition Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable equations involving addition.
Alabama Learning Exchange
Alex: Camp Add 'Em Up
When you go to camp, you expect to have a great time and learn a lot. The Camp Add 'Em Up lesson series is designed to guide a first grade student through development of addition and subtraction strategies through patterning. This lesson...
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
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.
Math2
Math2.org: Basic Algebraic Identities
The basic identities and properties of addition and multiplication are listed. No explanation, simply the identities.
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.
ABCya
Ab Cya: Marble Drop Addition
Marble Drop Addition is an arcade-style educational game for kids to practice addition. To play the game kids must collect numbered marbles that add up to the target number shown at the top of the screen. Players will learn that there...
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...
Math Medics
S.o.s. Math: Order of Operations
This lesson contains four rules on order of operations and several examples of each. It also allows you to work out practice problems.
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.
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