7th Grade - Letter in Algebra

Today we looked at "letters" in algebra and discussed how they represent variables in an algebraic expression. For homework, you will be writing algebraic expressions based on given information. Please refer to your textbook for examples we covered in class today.

The videos below will also help you understand variables:

https://www.khanacademy.org/math/algebra-home/alg-intro-to-algebra/alg-intro-to-variables/v/what-is-a-variable

https://www.khanacademy.org/math/algebra-home/alg-intro-to-algebra/alg-intro-to-variables/v/variables-and-expressions-1

https://www.khanacademy.org/math/algebra-home/alg-intro-to-algebra/alg-intro-to-variables/v/why-aren-t-we-using-the-multiplication-sign


Homework: Exercise 3.1 (page 77) #2 – 8
Challenge Yourself! #9, 11 and 12