PBS
Pbs Teachers: Building Boxes [Pdf]
By determining the dimensions necessary for building a box with the greatest volume, young scholars will explore the world of polynomial and rational expressions. Graphing calculators can be used for this activity.
Other
Kuta Software Llc: Algebra Worksheets
Free downloadable algebra worksheets covering the basics, equations, linear equations, inequalities, trigonometry, exponents, polynomials, quadratic functions, radical expressions, rational expressions and word problems.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Least Common Denominator
Find a quick, concise explanation of how to find the least common denominator for fractions or rational expressions. Examples are given and clearly explained.
Khan Academy
Khan Academy: Combining Like Terms With Rational Coefficients
Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions.
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Simplify radical expressions by using distribution and rationalizing the denominator.
Sophia Learning
Sophia: Using Conjugates to Rationalize Denominators: Lesson 2
This lesson provides practice examples that use conjugates to rationalize denominators. It is 2 of 6 in the series titled "Using Conjugates to Rationalize Denominators."
Sophia Learning
Sophia: Introduction to Conjugates That Rationalize Denominators
Explore conjugates and conjugate pairs in order to rationalize denominators. Assessment to follow tutorial.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Skill in Algebra: Algebraic Fractions
Explains how to find a common denominator between two rational expressions and how to reduce a fraction that involves factoring. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Paul Dawkins
Paul's Online Notes: Algebra & Trig Review
The tutorial reviews algebra and trigonometric topics needed in Calculus. Topics examined are solving equations, rational expressions, absolute value, solving trigonometric functions, exponentials, and logarithms. Class notes,...
CK-12 Foundation
Ck 12: Algebra: Division of Polynomials
[Free Registration/Login may be required to access all resource tools.] Students learn to find the quotient and remainder of rational expressions that involve division. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Algebra: Division of Polynomials
[Free Registration/Login may be required to access all resource tools.] Students learn to find the quotient and remainder of rational expressions that involve division. Students examine guided notes, review guided practice, watch...
Paul Dawkins
Paul's Online Notes: Limits at Infinity, Part I: Practice Problems
Provides practice problems that review limits at infinity concentrating on polynomials and rational expressions and a brief look at horizontal asymptotes.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Evaluate Expressions 2
Practice evaluating expressions with rational numbers in them. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the correct answer. See...
Interactive Mathematics
Interactive Mathematics: Equations Involving Fractions
The method of solving equations with rational expressions is demonstrated through the use of word problem. Exercises are provided for extra practice.
Help Algebra
Help algebra.com: Polynomial and Rational Inequalities
Learn to solve inequalities and how to graph their solutions on a number line. The examples contain quadratics and rational expressions.
Interactive Mathematics
Interactive Mathematics: Addition & Subtraction of Fractions
The addition and subtraction of algebraic expressions is presented with detailed examples and exercises for extra practice.
Interactive Mathematics
Interactive Mathematics: Multiplication & Division of Fractions
Starting with numerical expressions, this demonstration shows how to simplify algebraic expressions using multiplication and division. Examples are included for practicing the concept.
Purple Math
Purplemath: Solving Rational Inequalities
Demonstrates the factor-table method for solving rational inequalities.
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.
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to simplify different forms of radicals.
Khan Academy
Khan Academy: Signs of Expressions Challenge
Practice finding the signs of the answers to complex multiplication and division problems involving exponents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Real World Applications Work Problems
A lesson plan incorporating the use of real world work, rate, and time problems. Examples are provided and strategies for effective use of the lesson are included.
Mangahigh
Mangahigh: Algebra: Add and Subtract Algebraic Fractions Using Factoring
Students learn about the concept of adding algebraic fractions by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
CK-12 Foundation
Ck 12: Algebra: Simplify Sums or Differences
[Free Registration/Login may be required to access all resource tools.] Simplify sums or differences of single variable expressions by combining like terms.
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