Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations).
Algebra and Functions
Expressions & Equations: Apply and extend previous understandings of arithmetic to algebraic expressions.
Write, read, and evaluate expressions in which letters stand for numbers.