Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction.

There are 8 videos in this category and 0 videos in 0 subcategories.

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Ages: 11 - 18
Math Snacks: Number Rights 2 (Number Line and Fractions)
From YouTube, produced by New Mexico State University
Whole numbers are no better than any others! Practice plotting values on the number line as a passionate activist rises up and demands equity for all numbers, including fractions and decimals. Number Rights addresses number and operations standards a... [more]
January 10, 2012 at 11:06 PM
Comments: 2
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Not Right For WatchKnowLearn
Ages: 8 - 14
Diffy - Virtual Manipulative
From usu.edu, produced by Utah State University
When Diffy opens, there are four black numbers placed at the corners of a black square. Your first goal is to fill in the four blanks in the blue circles in the middle of each side of the black square. Start with any side of the black square and cli... [more]
May 9, 2010 at 11:11 AM
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Not Right For WatchKnowLearn
Ages: 10 - 15
Adding and Subtracting Fractions / Mixed Numbers: Example 3
From YouTube, produced by Patrick
Adding and Subtracting Fractions / Mixed Numbers: Example 3. In this video, the instructor shows how to add / subtract fractions that have different denominators at the beginning. (04:02)
February 20, 2012 at 02:26 PM
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Not Right For WatchKnowLearn
Ages: 7 - 14
Introduction to Fractions Song
From YouTube, produced by Learning Upgrade
This is a song that uses a pie to introduce fractions. The video includes: proper, improper, and mixed fractions. It's a fun video to watch and explains fractions in easy terms. It also includes imagery and text of key terms (01:35)
Found by Anonymous in 4.NF.B.3c
April 1, 2009 at 05:25 PM
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Not Right For WatchKnowLearn
Ages: 7 - 13
How to Add Simple Fractions
From YouTube, produced by Shadows of Darkness
A simple learning tool to learn how to add fractions. This animated feature shows the viewer how to add simple fractions, those with like AND unlike denominators. It also teaches the vocabulary words numerator and denominator. Run time 03:52.
Found by lfreeman in 4.NF.B.3c
November 28, 2010 at 02:29 PM
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Not Right For WatchKnowLearn
Ages: 8 - 13
Fractions - Add, Subtract, Multiply and Divide
From SlideShare, produced by SandraTeer
This is a slideshow in which the instructor shows adding, subtracting, multiplying, and dividing fractions step by step. There is no sound. (24 slides)
July 21, 2011 at 01:40 PM
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Not Right For WatchKnowLearn
Ages: 8 - 13
Rational Numbers
From YouTube, produced by Discovery Channel
Discovery Education Video. Video discusses natural numbers, whole numbers, fractions, and integers. Then they discuss how rational numbers are used in recipes. Video is good quality and good for all students as a review or initial learning of the top... [more]
Found by Barb in 4.NF.B.3c
August 3, 2009 at 07:47 PM
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Not Right For WatchKnowLearn
Ages: 10 - 15
Adding and Subtracting Fractions and Mixed Numbers
From YouTube, produced by mbrandl11
The instructor uses an electronic sketchpad to demonstrate the process to add or subtract fractions and mixed numbers. It includes four examples.
January 23, 2010 at 04:01 PM
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