6EE1Evaluating Algebraic Expressions

https://learnzillion.com/lessons/469-evaluate-multiple-step-algebraic-expressions-by-substitution

6EE2B MORE MATH TERMS FOR OPERATIONS

https://learnzillion.com/lessons/466-use-alternative-notation-for-multiplication-and-division-in-algebraic-expressions

6EE1 WHOLE NUMBER EXPONENTS

https://learnzillion.com/lessons/460-write-numerical-expressions-involving-wholenumber-exponents

 https://www.khanacademy.org/math/arithmetic/exponents-radicals/world-of-exponents/v/introduction-to-exponents

6EE2A READING AND WRITING ALGEBRAIC EXPRESSIONS

https://learnzillion.com/lessons/465-read-and-write-an-algebraic-expression-containing-a-variable