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...
Khan Academy
Khan Academy: Evaluate Radical Expressions Challenge
Evaluate numerical radical expressions using the properties of exponents.
Social Studies Help Center
Social Studies Help Center: How Does the u.s. Free Enterprise System Operate?
Covers explanations of the basic concepts for understanding what free enterprise is and how it works.
Better Lesson
Better Lesson: Target Number Game
Playing a game for the order of operations engages students in math fact review and builds fluency.
Sophia Learning
Sophia: Multiplication Is Associative
This video lesson defines and provides examples of the associative property of multiplication. Students can check their understanding with an assessment.
J Coffman
Joseph Coffman's Lecture Notes: Algebraic Expressions
The tutorial investigates algebraic expressions through definitions, properties, and examples. Topics include order of operations, evaluating expressions, and simplifying expressions. Students can check their understanding of the concept...
CK-12 Foundation
Ck 12: Arithmetic: Decimals
[Free Registration/Login may be required to access all resource tools.] Use number properties in decimal operations
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Faq: Closure
This site explains closure and has a link to a response from Dr. math regarding this topic. The site explains why the real numbers are closed under the operation of multiplication. The site gives an example of an operation which the real...
Saddleback College
Algebra2 Go: Prealgebra
The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.
Illustrative Mathematics
Illustrative Mathematics: N rn.a.2: Kepler's Third Law of Motion
The purpose of this task is to solve some expressions requiring fractional exponents in the modeling context of planetary motion. Aligns with N-RN.A.2.
CK-12 Foundation
Ck 12: Algebra: Multiplying Polynomials
[Free Registration/Login may be required to access all resource tools.] This lesson covers multiplying polynomials. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Wolfram Research
Wolfram Math World: Math World: Matrix Multiplication
Explains how to perform matrix multiplication, including how to perform products on two block matrices. Also has links to related topics.
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.
Other
Brown Math: It's the Law the Laws of Exponents
Step-by-step explanations of the exponent laws including rules for combining powers and roots. Includes practice exercises.
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
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions involving integer multiplication
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.
Science Struck
Science Struck: Adding Exponents
Explains how to add exponents as well as other aspects of exponents including positive and negative exponents, rational exponents, zero exponents, power of power, and division of exponents. Includes practice problems with answers provided.
Khan Academy
Khan Academy: Negative Exponents
In this exercise, students practice using negative exponents. Students receive immediate feedback and have the opportunity to get hints, see a video, and try questions repeatedly.
Khan Academy
Khan Academy: Negative Exponents
Practice computing numbers with negative exponents. Exponents may be fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly and to watch a video or get hints.
Better Lesson
Better Lesson: Prepping for the Exam!
Practicing math problems is a great way to study for a math test!
E-learning for Kids
E Learning for Kids: Math: School Bus: Missing Terms: Number Patterns
Students play a variety of learning games to explore number patterns by finding missing terms, using a calculator, and studying tables and a hundreds chart.
Paul Dawkins
Paul's Online Notes: Algebra Cheat Sheet [Pdf]
An algebra "cheat sheet" to use as a reference when completing algebra homework. Lists basic facts, properties, operations, formulas, and functions, as well as common errors.