# Rational Expressions Teacher Resources

Find Rational Expressions lesson plans and worksheets
Showing 1 - 24 of 363 resources
12 Items in Collection
Lesson Planet

#### Rewrite Rational Expressions: Common Core High School Algebra

For Teachers 9th - 12th Standards
Students may dread the fraction, but don't let them dread the rational function. Here are some lessons, videos, and worksheets to help learners practice and comprehend the idea of rational functions, and see that they already know about...
35 Items in Collection
Lesson Planet

#### Algebra: High School Common Core Math

For Teachers 9th - 12th Standards
All Algebra, all the time! Here is a compiled list of resources that address all of the standards regarding Algebra Common Core for high school. Each resource has the main standard it addresses under the notes section of the item.
14 Items in Collection
Lesson Planet

For Teachers 7th - 11th Standards
Let's get students ready for radicals! Browse through the basics of simplifying radicals and finish with rationalizing the denominator. The collection contains videos, worksheets, lesson plans, and a quick reference sheet at the end.
28 Items in Collection
Lesson Planet

#### Interpret the Structure of Expressions: Common Core High School Algebra

For Teachers 9th - 12th Standards
One of the foundations of Algebra is the understanding of expressions and their parts. This collection focuses on the different types of expressions and while some are specific to one type of function, others blend the general idea of...
4:42
Lesson Planet

#### How Do You Subtract Two Rational Expressions with Different Denominators?

For Teachers 6th - 12th
Reinforce instruction on the least common denominator and subtracting rational expressions with this tutorial video. Learners can view this video in class or at home. Consider using this resource to supplement your lesson plan.
2:27
Lesson Planet

#### How Do You Subtract Two Rational Expressions with the Same Denominator?

For Teachers 6th - 12th
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
1 In 1 Collection
EngageNY

#### Comparing Rational Expressions

For Students 10th - 12th Standards
Introduce a new type of function through discovery. Math learners build an understanding of rational expressions by creating tables and graphing the result.
10:28
Lesson Planet

#### How Do You Divide Two Rational Expressions?

For Teachers 6th - 12th
An instructor walks viewers through a complicated problem in which she divides 2 rational expressions. For this problem, she has to find excluded values, use the zero product property, multiply, divide, cancel, and simplify. This video...
1:47
Lesson Planet

#### Why is it Called a Rational Expression?

For Teachers 6th - 12th
If your algebraic expression is a ratio of two polynomials then you have a rational expression. Find out what that might look like.
Lesson Planet

#### Topic 9.4 - Adding and Subtracting Rational Expressions

For Students 8th - 10th
This activity contains a good selection of problems of adding and subtracting rational expressions. There are eight problems. None of the problems have common denominators.  A few are mixed expressions and some require factoring. Answers...
1 In 1 Collection
EngageNY

#### Equivalent Rational Expressions

For Students 10th - 12th Standards
Rational expressions are just fancy fractions! Pupils apply fractions concepts to rational expressions. They find equivalent expressions by simplifying rational expressions using factoring. They include limits to the domain of the...
Lesson Planet

#### Connecting Fractions and Rational Expressions

For Teachers 8th - 10th Standards
Teach class members to work with rational expressions using their knowledge of fractions. The lesson plan starts with a warm-up of rational expressions at four different levels of complexity. The different levels continue throughout the...
1 In 1 Collection
EngageNY

#### Multiplying and Dividing Rational Expressions

For Students 10th - 12th Standards
Five out of four people have trouble with fractions! After comparing simplifying fractions to simplifying rational expressions, pupils use the same principles to multiply and divide rational expressions.
4:48
Lesson Planet

#### Addition and Subtraction of Rational Expressions

For Students 9th - 12th Standards
A rational expression is a fraction where the denominator and/or the numerator is a polynomial. The resource presents rational expressions and how to add and subtract them. Additionally, the video connects the addition and subtraction of...
6:35
Lesson Planet

#### Multiplication of Rational Expressions

For Students 9th - 12th Standards
Cancel that! Young mathematicians see how factoring and canceling can be very beneficial. The presenter works through examples of multiplying two rational expressions where the factors are simplified first. Factoring complex rational...
5:52
Lesson Planet

#### Division of Rational Expressions

For Students 9th - 12th Standards
Demonstrate the steps of dividing rational expressions with an instructional video that works through two division problems. Numerators and denominators are quadratic trinomials and include several common factors.
Lesson Planet

#### Division of Rational Expressions: Step by Step

For Students 9th - 12th Standards
Division just got a little trickier! An interactive lesson highlights the steps of dividing two rational expressions. Young scholars determine the order of the steps from a bank of possible work.
Lesson Planet

#### Subtracting Rational Expressions

For Teachers 8th - 10th
This worksheet contains 10 problems on subtracting rational expressions. It starts out with like denominators and progresses to more complicated problems. Answers are included.
1 In 1 Collection 4:51
Lesson Planet

#### Recognizing When a Rational Expression is Undefined

For Students 9th - 12th Standards
It only takes the denominator to be zero to make an expression undefined. A video resource makes the connection of undefined fractions to rational expressions. It points out that to determine when a rational expression is undefined, you...
Lesson Planet

#### Rational Expressions Two - Addition and Subtraction

For Students 8th - 11th
This worksheet is a mix of 24 problems on adding and subtracting rational expressions. All of the problems have unlike denominators. Most require factoring of the denominators, and a few contain mixed expressions and three expressions....
Lesson Planet

#### Rational Expressions: Multiplying and Dividing

For Teachers 8th - 11th Standards
Make rational expression instruction fun with this instructional game! Players toss two coins onto a grid with an assortment of rational expressions. They have 60 seconds to multiply or divide the two expressions. If successful, the team...
3:38
Lesson Planet

#### Multiplying and Dividing Rational Expressions 1

For Students 8th - 11th
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.
3:38
Lesson Planet

#### Multiplying and Dividing Rational Expressions 1

For Students 8th - 11th
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.
3:35
Lesson Planet

#### How Do You Multiply a Rational Expression by a Polynomial?

For Teachers 6th - 12th
Multiply a rational expression and a polynomial. No problem, you can do it. Turn your polynomial into a fraction and multiply. You might need to factor your polynomials first to see if you can cancel out some terms, thereby reducing it...