A poster highlighting the acronym for PEMDAS.
P – Parentheses
E – Exponents
M – Multiplication
D – Division
A – Addition
S – Subtraction
Multiplication and division are performed whichever comes first from left to right.
Addition and subtraction are performed whichever comes first from left to right.
Common Core Curriculum alignment
Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation "add 8 and 7, then multiply by 2" as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is ...
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 ther...
Apply the properties of operations to generate equivalent expressions. For example, apply the distributive property to the expression 3 (2 + x) to produce the equivalent expression 6 + 3x; apply the distributive property to the expression 24x + 18y t...
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