Activity
Cool Math

Coolmath: Fractions How to Reduce Fractions

For Students 6th - 8th
Learn how to reduce fractions.
Unit Plan
Math Medics

S.o.s. Math: Reducing Fractions

For Students 9th - 10th
Explains step-by-step how to reduce fractions. Gives examples and exercises to practice this skill.
Unknown Type
Shmoop University

Shmoop: Fractions & Decimals: Reducing Fractions

For Students 9th - 10th
The mathematics resource explores how to reduce fractions. Students examine the topic through class notes and examples. Practice problems with solutions are available to check for comprehension of the concept.
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 1 Simplifying Fractions

For Students 9th - 10th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of simplifying and finding equivalent fractions. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
Unit Plan
Discovery Education

Discovery Education: Web Math: Reducing a Fraction to Lowest Terms

For Students 9th - 10th
This WebMath site explains step-by-step how to reduce (simplify) a fraction that you enter to the lowest terms.
Unit Plan
AAA Math

Aaa Math: Dividing Fractions by Fractions

For Students 5th - 7th Standards
Students review how to divide fractions by fractions. Practice problems are included.
Unit Plan
Math Is Fun

Math Is Fun: Simplifying Fractions

For Students 3rd - 8th Standards
The learning activity examines how to simplify fractions. The resource consists of explanations, examples with solutions, and a simplifying fraction tool.
Activity
Oswego City School District

Regents Exam Prep Center: Adding and Subtracting Fractions

For Students 9th - 10th Standards
Use this site to learn how to add and subtract algebraic fractions, even if there aren't common denominators. Provides plenty of examples.
Activity
Oswego City School District

Regents Exam Prep Center: Simplifying (Or Reducing) Fractions

For Students 9th - 10th Standards
At this site from the Oswego City School District, you can learn how to simplify fraction (rational expression) that contain monomials or higher degree polynomials. Reducing fractions is made easier with help from this page.
Activity
AAA Math

Aaa Math: How to Determine a Ratio

For Students 6th - 8th Standards
Learners practice writing ratios in lowest terms. The resource consists of a tutorial and self-check practice problems.
Handout
Cool Math

Coolmath: Coolmath4kids: Simplifying Fractions

For Students 4th - 5th Standards
Short tutorial explaining how to simplify fractions. Includes sample problems to try.
Interactive
Visual Fractions

Visual Fractions: Strict Fraction Division With Lines

For Students 4th - 6th
Use this interactive site from Visual Fractions to divide fractions. Your answers need to be given in lowest terms. Explanations are available for each question, and you receive immediate feedback for your answers.
Unit Plan
Education Development Center

Tune in to Learning: Math Lesson Working With Ratios

For Students 2nd - 5th
Did you know that chefs must know how to use ratios in order to prepare meals? Learn the value of understanding how to write ratios, ratio proportionality, and ratios in lowest terms in this interactive lesson. Based on real world...
Unit Plan
Other

Project Happy Child: Simplifying Fractions Worksheets

For Teachers 3rd - 6th Standards
At this location there are three simple stories that explain the basic concept of simplifying fractions or finding their lowest terms. Then there are 12 worksheets that increase in difficulty to help students practice this concept.
Handout
AAA Math

Aaa Math: Simplifying Fractions

For Students 9th - 10th
This site explains how to simplify fractions, then offers problems and games to practice this skill.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Reducing Fractions (Simplest Form)

For Students 9th - 10th Standards
Find a quick, concise explanation of how to find the simplest or lowest form of a fraction. An example is given and clearly explained.
Unit Plan
Khan Academy

Khan Academy: Reducing Rational Expressions to Lowest Terms

For Students 9th - 10th Standards
Learn what it means to reduce a rational expression to lowest terms, and how it's done!
Unit Plan
Khan Academy

Khan Academy: Intro to Rational Expressions

For Students 9th - 10th Standards
This lesson will introduce you to rational expressions. You will learn how to determine when a rational expression is undefined and how to find its domain.
Unit Plan
Wyzant

Wyzant: Fraction Simplifying Calculator

For Students 9th - 10th
This WyzAnt applet allows the user to input fractions--improper or mixed numbers--and have the calculator reduce the fraction or convert it into a mixed number. A good resource for checking students work.
PPT
Sophia Learning

Sophia: Converting Improper Fractions

For Students 5th - 9th
This lesson demonstrates how to rewrite an improper fraction as a mixed number.
Whiteboard
ClassFlow

Class Flow: Reducing or Simplifying Fractions

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart introduces how to simplify or reduce a fraction to the lowest terms. Prerequisites include: multiplying fractions, factoring, introduction to the concept of the Greatest Common Factor.
Activity
AAA Math

Aaa Math: Percents to Fractions

For Students 3rd - 8th
This site explains how to convert percents to fractions. Games and exercises are provided to practice the skill.
Website
National Council of Teachers of Mathematics

The Math Forum: Height to Weight Ratio

For Students 3rd - 8th Standards
A student asks Dr. Math, "If I have a friend that weighs 155 pounds and is five feet, four inches tall, what is his height-to-weight ratio?" Find out how Dr. Math solves this problem and get a better understanding of the concept of ratio.