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
Adding and Subtracting Fractions
Why can't mathematicians add just like they multiply fractions? The resource provides a counterexample to show that the same rules for multiplying fractions do not work for addition. Using the counterexample, learners see the proper way...
Math Antics
Working with Parts
Get a clearer picture of working with fractions. While continuing to work with fractions as parts, the video shows how to use drawing to compare and add fractions. Worksheets then provide opportunities for pupils to practice comparing,...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Subtracting Mixed Numbers 2
This video explains how to subtract two mixed numbers by converting them to improper fractions. Practice problems are available. [3:59]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Adding Mixed Numbers
This video shows how to add two mixed numbers and simplify the result. Practice exercises are available. [2:06]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Dividing Mixed Numbers
This video expains how to divide two mixed numbers and write the answer as a mixed number. Practice problems are available. [2:40]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Reciprocal of a Mixed Number
This video explains how to find the reciprocal of a mixed number. [1:41]
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]
Math Mammoth
Math Mammoth: Adding Mixed Numbers With Like Fractional Parts
Shows how to add mixed numbers when the fractional parts have the same denominator. [8:48]
Math Mammoth
Math Mammoth: Subtracting Mixed Numbers (Like Fractional Parts): Three Methods
Demonstrates three different strategies for subtracting mixed numbers. [8:13]
Virtual Nerd
Virtual Nerd: How Do You Add Mixed Fractions With the Same Denominator?
Demonstrates how to add two mixed numbers, where the fractions have the same denominator, by adding the whole numbers and then the fractions. [5:23]
Virtual Nerd
Virtual Nerd: How Do You Subtract Mixed Fractions With the Same Denominator?
Demonstrates how to subtract two mixed numbers, where the fractions have the same denominator, by subtracting the whole numbers and then the fractions. [5:20]
Khan Academy
Khan Academy: Multiplying Whole Numbers and Fractions
Uses drawings to demonstrate the concept of multiplying a fraction by a whole number. [4:06]
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]
CK-12 Foundation
Ck 12: Elem Math: Multiplying Mixed Numbers With Cross Canceling
[Free Registration/Login may be required to access all resource tools.] Video explaining how to multiply mixed numbers by first converting them to improper fractions, canceling any common factors, then multiplying the fractions that are...
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: Multiplying Fractions and Mixed Numbers
This video explains how to multiply a fraction and a mixed number, simplify the answer, and write it as a mixed number.
Khan Academy
Khan Academy: Multiplying Mixed Numbers
This video explains how to multiply two mixed numbers, simplify the answer, and write it as a mixed number.
Khan Academy
Khan Academy: Adding Subtracting Mixed Numbers 1 (Ex 2)
A video about adding and subtracting mixed numbers.
Khan Academy
Khan Academy: Adding Subtracting Mixed Numbers 1 (Ex 1)
A video about adding and subtracting mixed numbers.
Khan Academy
Khan Academy: Adding Subtracting Mixed Numbers 0.5 (Ex 1)
A video about adding mixed numbers with the same denominator.
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...