1. Attend to precision. 2. Write and evaluate mathematical expressions that correspond to given situations. 3. Write expressions that record operations with numbers and with letters standing for numbers. For example, express the calculation Subtract y from 5 as 5 - y. 4. Apply the Commutative, Associative, and Distributive Properties to show that two expressions are equivalent.
Please watch the video, take notes, and complete the quiz.