Curated OER
Mathematices: Pre-Calculus
Students relate polynomials to real life situations. In this algebra lesson, students graph equations through modeling and data collection. They must be comfortable doing word problems.
Wolfram Research
Wolfram Math World: Rational Number
This site gives an overview of rational numbers, gives interesting facts about the rational numbers including countability and probability of a rational numbers denominator being even. The site also contains related links.
Texas Education Agency
Texas Gateway: Rational Functions: Predicting the Effects of Parameter Changes
Given parameter changes for rational functions, students will be able to predict the resulting changes on important attributes of the function, including domain and range and asymptotic behavior.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Polynomial and Rational Functions
Hotmath provides 20 practice problems that relate to polynomial and rational functions. Each of the practice problems include a step-by-step guide for solving.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Rational Equations
Twenty-six problems present a variety of practice solving rational equations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Oswego City School District
Regents Exam Prep Center: Solving Fractional Equations
Use this site to learn how to eliminate the denominators to make solving these equations easier. Examples contain algebraic fractions with monomials and higher degree polynomials in the denominators.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Simplifying Rational Expressions
Walk through this tutorial to see exactly how rational expressions are simplified. When you're finished, try the practice problems to see how much you've learned.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Mult. & Div. Rational Expressions
Use this site to learn the process needed to multiply and divide rational expressions. When finished, try the practice problems.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Adding & Sub. Rational Expressions
Rational expressions have never been so easy! Use this site to learn how to add and subtract them with ease and confidence. And common denominators? No Problem! Great practice problems are included to see how much you've learned.
Other
Mesa Community College: Solving Rational Equations
Explains and models the steps to follow for solving six rational equations. Includes link to practice problems.
Other
Saylor Academy: Solving Rational Equations
Explains and models the steps to follow for solving rational equations, along with two examples for literal equations. Includes practice exercises with answers provided.
Cut the Knot
What's a Rational Number?
This question is answered by discussing and comparing rational and irrational numbers. For more advanced levels of Algebra, there are sections that discuss different lemmas of rational numbers and give their proofs.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Rational Numbers
Get independent practice working with rational numbers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Oregon State University
Oregon State University: Rational Functions
A look at graphs of rational expressions, finding properties of the graph by using calculus. Formulas included.
Purple Math
Purplemath: Adding & Subtracting Rational Expressions: Introduction
Finding common denominators is no problem with Purplemath. Use this lesson to learn how to add and subtract rational expressions with these great examples.
McGraw Hill
Glencoe Mathematics: Quiz on Rational Equations and Partial Fractions
The online assessment demonstrates knowledge of advanced mathematical concepts in Algebra II. The questions test students on rational equations and partial fractions.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Rational Expressions and Equations
Students show comprehension of advanced mathematical concepts in Algebra I. The questions check understanding on rational expressions and equations.
Mangahigh
Mangahigh: Algebra: Simplify Algebraic Fractions
Students learn about the concept of 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.
Mangahigh
Mangahigh: Algebra: Multiply and Divide Algebraic Fractions Using Factoring
Mangahigh is a site that students can learn and practice math skills that are correlated to common core math standards. On this site students learn and practice multiplying and dividing algebraic fractions.
Mangahigh
Mangahigh: Algebra: Add and Subtract Algebraic Fractions
This site provides students practice with the concept of algebraic fractions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
CK-12 Foundation
Ck 12: Algebra: Multiplication of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students multiply rational expressions involving monomials and polynomials. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Algebra: Adding and Subtracting Rational Expressions
[Free Registration/Login may be required to access all resource tools.] This lesson covers adding and subtracting rational expressions when one of the denominators is the LCD. Students can look at guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Applications of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve applications that involve adding and subtracting rational expressions. Students watch a video tutorial, explore guided notes and...