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
Chili Math: Basic Number Properties
Overview of the four basic number properties with examples.
The Math League
The Math League: Whole Numbers & Basic Properties
Here is a nice resource for students and teachers about whole numbers and their basic properties. It provides links to information on place value, expanded form, and rounding numbers are just a few of the topics on this page.
Soft Schools
Soft Schools: Solving Linear Equations Using the Distributive Property Quiz
Take this ten-question practice quiz over linear equations using the distributive property.
Wolfram Research
Wolfram Math World: Determinant
This site has a good definition and examples of determinants, the site begins by explaining what the value of a determinant is, then gives an example of the determinant of a two by two matrix, a generic formula for finding the...
Texas Instruments
Texas Instruments: Roll the Dice
In this activity, students use the order of operations and number properties to create a unique expression from a set of numbers that must equal another number.
Utah Education Network
Uen: Equivalent Expressions
This multi-segment lesson plan uses games and calculators to explore the concept of equivalent expressions. Young scholars work together using inverse operations to isolate variables in algebraic equations. It also provides attachments...
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...
Duke University
Connected Curriculum Project: Matrix Operations: Part 3: Special Matrices
This site explores the properties of several different types of matrices.
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.
University of Saskatchewan (Canada)
University of Saskatchewan: Square Roots & Other Radicals
This University of Saskatchewan site provides general information about square roots and other forms of radical equations.
Purple Math
Purplemath: Simplifying Expressions With Exponents
A detailed look at how to simplify expressions with exponents and how to apply the rules for exponents. Lots of examples included. The third page provides an interactive widget to use for simplifying expressions with exponents.
Saddleback College
Algebra2go: The Distributive Property Problem Sets
This resource has three sets of problems. Each set has six questions for practicing multiplication operation. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have...
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.
Texas Education Agency
Texas Gateway: Using Rational Numbers to Solve Problems
Given a problem situation in verbal form, students will select and use an operation involving rational numbers in order to solve the problem.
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.
Wyzant
Wyzant: Algebra Help
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
AAA Math
Aaa Math: Inverse Relationship Between Multiplication & Division
Use the interactive problems in this lesson to practice the inverse relationship between multiplication and division. This is a good tutorial to review before learning how to solve basic equations.
Better Lesson
Better Lesson: Distributive Property, Day 1
Children need to move from the manipulative expressions of the distributive property into the mathematical equations eventually. This lesson plan is the first step in leading them to that goal.
Better Lesson
Better Lesson: Distributive Property Using the Gcf
Sixth graders will relate area of rectangles to the distributive property.
Khan Academy
Khan Academy: Divide Powers
Rewrite quotients of powers with the same base. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or get hints.
Khan Academy
Khan Academy: Multiply Powers
Rewrite products of powers with the same base. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or get hints.
CK-12 Foundation
Ck 12: Algebra: Limitations of Matrix Multiplication
[Free Registration/Login may be required to access all resource tools.] This lesson shows you how to determine if two matrices can be multiplied together and explains that the commutative property does not apply.
CK-12 Foundation
Ck 12: Algebra: Simplify Products or Quotients
[Free Registration/Login may be required to access all resource tools.] Simplify products or quotients of single variable expressions