Math Antics
Subtracting Mixed Numbers
A nine-minute video focuses on the method of subtracting mixed numbers. The host walks viewers through several examples, pointing out each step using the stacked form, regrouping, or borrowing. The video ends with an encouraging message...
Math Antics
Adding Mixed Numbers
Mathematicians walk through the problem-solving process with a nine-minute video that focuses on adding mixed numbers with like and unlike denominators. The host points out and discusses how to use the stacked form, carry, regroup, and...
Math Antics
Common Denominator LCD
Do not use the easiest but the first. The video shows a method to find a common denominator by finding the least common denominator to add fractions. By listing the multiples of the denominators, learners easily identify the least common...
Math Antics
Common Denominator ECD
Find the easiest common denominator. A video demonstrates finding a common denominator to add fractions. Pupils learn how to find a common denominator by using the product of the two denominators. After finding the common denominator,...
Krista King Math
Adding and Subtracting Fractions
Develop a strategy for adding and subtracting fractions with your classes. The video shows a procedure for adding and subtracting fractions by finding common denominators. Each example increases in difficulty.
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Adding and Subtracting Fractions
This video shows how to add and subtract fractions with like and unlike denominators. Practice problems are available. [9:49]
Scholastic
Scholastic: Study Jams! Math: Fractions: Equivalent Fractions
Explore how equivalent fractions with step by step videos then assess your knowledge of equivalent fractions.
Khan Academy
Khan Academy: Adding Mixed Numbers
Demonstrates how to add two mixed numbers by adding the whole numbers separately and then finding the least common denominator for the fractions and adding those. The sum of the fractions is then simplified. [2:20]
Math Playground
Math Playground: Adding Fractions With Different Denominators
This video illustrates how to add fractions that have different denominators.
Khan Academy
Khan Academy: Subtracting Fractions With Unlike Denominators
A video exploring how to find the common denominator so students can subtract fractions. Video walks you through an example of how to subtract fractions with unlike denominators. [5:00]
Khan Academy
Khan Academy: Adding Mixed Numbers With Unlike Denominators
This video shows how to add two mixed numbers with unlike denominators and simplify the result.
Khan Academy
Khan Academy: Adding Fractions With Like Denominators
Adding Fractions with Like Denominators.
Khan Academy
Khan Academy: Adding Fractions With Different Signs
Adding fractions with different signs.
Imagine Learning Classroom
Learn Zillion: Subtract Fractions With Unlike Denominators Using Fraction Bars
In this lesson, you will learn how to subtract fractions with unlike denominators by using fraction bars. [5:48]
Math Mammoth
Math Mammoth: Adding Unlike Fractions
In a gradual release of responsibility fashion, this video teaches students first how to add unlike fractions using a visual model where the common denominator is stated, then how to add them in the same way without a visual model, then...
Imagine Learning Classroom
Learn Zillion: Subtract Unlike Fractions Using Equivalent Fractions
In this lesson, you will learn how to use equivalent fractions to subtract unlike fractions and mixed numbers by using a number line. [5:29]
Other
Math Tutor Dvd: Equivalent Fractions 5th Grade Math
Video lesson demonstrates how to determine if two fractions that look different in fact represent the same thing. You can multiply the numerator and denominator of a fraction by any number as long as you do it to both the top and bottom....
Khan Academy
Khan Academy: Adding Fractions With Like Denominators
Sal adds two fractions with like denominators; 3/15+7/15.
Loyola University Chicago
Math Flix: Subtracting Fractions From One
This QuickTime movie provides an opportunity to see how to subtract a fraction from one. As you watch and listen to the teacher and students interact it helps clarify this concept.
Shmoop University
Shmoop: Reducing Fractions
This animation [2:59] features the mathematical concept of reducing fractions and how to perform the calculation.