Closure of Rational Numbers

By the end of this section I can...

-Explain why the product and sum of two rational numbers is rational

Khan Academy Videos and Interactive Practice:

https://www.khanacademy.org/math/algebra/rational-and-irrational-numbers/rational-and-irrational-expressions/v/sum-and-product-of-rational-numbers

https://www.khanacademy.org/math/algebra/rational-and-irrational-numbers/rational-and-irrational-expressions/v/recognizing-rational-and-irrational-expressions-example

https://www.khanacademy.org/math/algebra/rational-and-irrational-numbers/rational-and-irrational-expressions/e/recognizing-rational-and-irrational-expressions

Other Resources:

http://mathbitsnotebook.com/Algebra1/RatIrratNumbers/RNRationalSumProduct.html

https://www.illustrativemathematics.org/content-standards/tasks/690

https://www.illustrativemathematics.org/content-standards/tasks/1817