Rational Expressions Teacher Resources
Find Rational Expressions lesson plans and worksheets
Showing 1 - 24 of 363 resources
How Do You Subtract Two Rational Expressions with Different Denominators?Lesson Planet
5 mins 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.
How Do You Subtract Two Rational Expressions with the Same Denominator?Lesson Planet
2 mins 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.
How Do You Divide Two Rational Expressions?Lesson Planet
10 mins 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...
Topic 9.4 - Adding and Subtracting Rational ExpressionsLesson Planet
8th - 10th
This worksheet 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....
Equivalent Rational ExpressionsEngageNY
10th - 12th CCSS: Designed
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...
Connecting Fractions and Rational ExpressionsLesson Planet
8th - 10th CCSS: Designed
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...
Addition and Subtraction of Rational ExpressionsLesson Planet
5 mins 9th - 12th CCSS: Adaptable
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...
Multiplication of Rational ExpressionsLesson Planet
7 mins 9th - 12th CCSS: Adaptable
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...
Rational Expressions Two - Addition and SubtractionLesson Planet
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....
How Do You Multiply a Rational Expression by a Polynomial?Lesson Planet
4 mins 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...
Recognizing When a Rational Expression is UndefinedLesson Planet
5 mins 9th - 12th CCSS: Designed
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...
How Do You Find the Least Common Denominator of Two Rational Expressions?Lesson Planet
2 mins 8th - 11th
Adding fractions that are in rational expression form? Do they have a common denominator? No? Well, then the least common denominator needs to be found. How is the least common denominator of rational expression found? Watch this video...
Rational Expressions: Multiplying and DividingLesson Planet
8th - 11th CCSS: Adaptable
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...
What's a Divisor in a Rational Expression?Lesson Planet
2 mins 6th - 12th
Divide, dividend, divisor? Will the real divisor please stand up?! How do you know which part of a division problem is the divisor when you have a rational expression of algebraic fractions? Just remember it's the second number or the...