Ministerio de Educación (Spain)
Cnice: Las Fracciones
These are interactive activities dealing with fractions. A short test is also provided in each section.
Illustrative Mathematics
Illustrative Mathematics: Finding Common Denominators to Subtract
Part (a) of this task asks students to use two different denominators to subtract fractions. The purpose of this is to help students realize that any common denominator will work, not just the least common denominator. Part (b) does not...
Mangahigh
Mangahigh: Number: Common Fractions Thirds and Fifths
Determine equilvalent fractions using denominators of 3 and 5.
Khan Academy
Khan Academy: Subtracting Fractions With Common Denominators
In this exercise, students practice subtracting fractions with common denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Discovery Education
Discovery Education: Web Math: Add Two Fractions Together
Use this "math solver" to learn how to add two fractions together. Simply type your equation in, and allow this website to provide the answer along with a complete explanation as to how it arrived at that answer.
Other
Help With Fractions: Adding Fractions
The rules for adding fractions with the same or different denominators are clearly explained at this website. This is an excellent place to get step by step explanations for working with fractions.
Other
Help With Fractions: Subtracting Fractions
The rules for subtracting fractions with like or unlike denominators are clearly explained at this website. Even mixed number subtraction is tackled! This is an excellent place to get step by step explanations for working with fractions.
Discovery Education
Discovery Education: Webmath: Subtract Two Fractions
Use this "math solver" to subtract two fractions (and/or mixed numbers) that you enter. The site will explain in detail the process of subtacting the fractions you entered.
Arcademics
Arcademics: Adding Fractions Speedway
Add fractions correctly to move further ahead in the race.
Cool Math
Coolmath: Coolmath4kids: Subtract Fractions With Like Denominators
Demonstrates how to subtract fractions where the denominators are the same. Includes sample problems to try.
Cool Math
Coolmath: Coolmath4kids: Fractions
A set of 17 short tutorials on everything to do with fractions. Begins with a basic introduction to what fractions are, and covers topics such as mixed numbers, improper fractions, comparing fractions, simplifying them, and operations...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add and Subtract Fractions
This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.
Cool Math
Coolmath: Coolmath4kids: Speedway Adding Fractions
Add and subtract fractions to win the race in this multiplayer game!
Lesson Tutor
Lesson Tutor: Fraction Addition and Subtraction Lesson
This site is an online lesson plan of how to correctly add and subtract fractions is provided here. Many examples of the processes are worked out and the solutions provided. An elementary teacher looking for some useful advice and...
Cool Math
Coolmath: Coolmath4kids: Add Fractions With Like Denominators
Demonstrates how to add fractions where the denominators are the same. Includes sample problems to try.
Cool Math
Coolmath: Coolmath4kids: Adding and Subtracting Fractions With Different Denominators
Demonstrates how to add and subtract fractions where the denominators are different. Includes sample problems to try.
Khan Academy
Khan Academy: Add Fractions With Unlike Denominators
Practice adding fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract Mixed Numbers With Unlike Denominators 1
Practice adding and subtracting mixed numbers with different denominators. No regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtracting Fractions With Unlike Denominators
Practice subtracting fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding and Subtracting Mixed Numbers With Unlike Denominators 2
In this exercise, students practice using visuals to add and subtract fractions with unlike denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Goodwill
Gcf Global: Adding and Subtracting Fractions
Tutorial demonstrates how to add and subtract fractions.
ArtsNow
Arts Now Learning: Moving With Mathematics [Pdf]
In this lesson plan, students explore the concepts of fractions, percentages, and decimals by creating dances using locomotor and non-locomotor movements.
Better Lesson
Better Lesson: Adding and Subtracting With Fractions
Students add and subtract fractions using a common denominator.
Better Lesson
Better Lesson: Many Names for Fractions
What does it mean for two fractions to be called equivalent? Learners develop strategies for generating equivalent fractions and simplifying fractions.