Introduction to Fractions Part 2
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Lesson Summary:
In this introductory lesson on fractions, Professor Perez teaches how to add and subtract fractions with the same denominators and fractions with different denominators. He also shows how to add and subtract whole numbers from fractions, and emphasizes the importance of finding a common denominator when working with fractions that have different denominators. All of these concepts are visualized on a number line to make them easier to understand.
Lesson Description:
The second part of an introductory lesson on fractions.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- How do you add and subtract fractions with the same denominator using a number line?
- How do you add and subtract fractions and whole numbers using a number line?
- How do you add and subtract fractions with different denominators using a number line?
- How do you teach adding and subtracting fractions using a number line?
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Staff Review
This video starts with adding and subtracting fractions with the same denominator. Then, some fractions are added and subtracted from whole numbers. Finally, some fractions with different denominators are added and subtracted. A bit of a step up from the first video. The number line used really helps this lesson make more sense.
