
This PreAlgebra video tutorial explains the process of adding and subtracting integers on a number line. It includes plenty of examples of adding negative numbers and subtracting negative numbers. …




This playlist consists of 5 videos all about sequences. Teachers can use these videos to support their lesson plans and engage students. These videos each cover specific topics and concepts learned…


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Understand Irrational Numbers Day 2


Understand Irrational Numbers






Watch the next lesson: https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/rationalandirrationalexp...
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Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/irrationalnumbers/e/recogn...
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Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/rationalandirrationalexp...
This is the last video in our…


Given a bunch of numbers, learn how to tell which are rational and which are irrational.
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Learn what rational and irrational numbers are and how to tell them apart.
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Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/irrationalnumbers/e/recogn...
Watch the next lesson:…


Watch the next lesson: https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/rationalandirrationalexp...
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Learn that the sum or the product of two rational numbers is always a rational number.
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