Alabama Learning Exchange
Alex: Mix It Up!
By now, students have learned that fact families include both addition and subtraction facts. They have also learned that by reversing the order of the addends, they can form related addition facts with the same sum. The students will...
National Council of Teachers of Mathematics
The Math Forum: Equivalent Expressions and Equations
Dr. Math at the Math Forum explains the difference between equivalent expressions and equivalent equations.
Purple Math
Purplemath: Simplifying With Parentheses
Explains, with worked examples, how to simplify expressions which involve parentheses and variables, including how to take a negative through the parentheses.
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
TeachEngineering
Teach Engineering: Clean Up This Mess
Students are challenged to design a method for separating steel from aluminum based on magnetic properties as is frequently done in recycling operations. To complicate the challenge, the magnet used to separate the steel must be able to...
Cuemath
Cuemath: Vectors
Explore the world of vectors, by finding answers to questions like what are vectors, what are scalars, what is the difference between scalar and vectors, the magnitude of a vector, operations on vectors, and properties of a vector.
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.
CK-12 Foundation
Ck 12: Algebra: Words That Describe Patterns
[Free Registration/Login may be required to access all resource tools.] Learn how to describe patterns with sentences.
CK-12 Foundation
Ck 12: Analysis: Quadratic Formula and Complex Sums
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify complex roots of quadratic functions with the quadratic formula, and adding and subtracting complex numbers. Students examine guided...
CK-12 Foundation
Ck 12: Analysis: Product and Quotient Theorems
[Free Registration/Login may be required to access all resource tools.] Multiplying and dividing complex numbers in polar form, checking with rectangular form and technology
Math Is Fun
Math Is Fun: Associative, Commutative and Distributive Laws
The tutorial examines the associative, commutative, and distributive laws. The resource consists of detailed examples and explanations.
Computer Hope
Computer Hope: Free Computer Help for Everyone
ComputerHope.com offers an archive of free computer-related information, including tutorials, troubleshooting tips, hints and more. Select "Hardware Listing" and "Software Listing" to choose from the extensive directory, or perform a...
Other
Brilliant.org: Markov Chains
An explanation of Markov Chains with examples, graphs, and diagrams throughout the process.
Thomson Reuters
Find Law: Eminent Domain, What Is Eminent Domain?
This site is provided for by FindLaw.com. "Eminent domain," often called "condemnation," is the legal process by which a public body [is] given the legal power to acquire private property for a use that has been declared to be public by...
Texas Instruments
Texas Instruments: Math a Review 1
This StudyCards stack enables students to review concepts in algebra, arithmetic, and geometry, in preparation for the Math A Exam held in New York. They solve problems involving scientific notation, factoring, linear equations, rate of...
Other
Women in Mining: Cookie Mining, Rebaked [Pdf]
This activity introduces students to the economics of mining. This is accomplished through the player buying their "property", purchasing the "mining equipment", paying for the "mining operation" and finally paying for the "reclamation"....
Texas Instruments
Texas Instruments: Rational Numbers
Students review the definition of rational numbers as ratios and as terminating and repeating decimals. They also examine the reciprocal property of rational numbers and operations with rational numbers.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Cookie Mining
In this mining simulation, students 'purchase' chocolate chip cookies which represent their 'mining property.' They must also buy mining equipment (i.e., toothpicks and paper clips). They 'mine' chocolate chips from their cookies while...
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...
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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Adding and Subtracting Inequaliites
"Dr. Math" provides an explanation on remembering when inequalities may be added and subtracted. The explanation is in response to a question submitted by a student.
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
CK-12 Foundation
Ck 12: Algebra: Single Variable Subtraction Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable subtraction equations
Better Lesson
Better Lesson: Math Centers Review Previous Skills
Students will be able to independently practice graphing, teen numbers, and addition.