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Pre-Algebra Section 1-1 Vocabulary
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| A | B |
| Variable | Unknown value |
| Numerical Expression | Contains numbers |
| Algebraic Expression | Contains numbers and variables |
| Simplify | Reduce to lowest terms |
| Evaluate | Replace each variable with a number and simplify |
| PEMDAS | Order of Operations |
| Math Operational Symbols | +, -, /, * |
| 'P' in PEMDAS | Parentheses |
| 'E' in PEMDAS | Exponents |
| 'M' in PEMDAS | Multiplication |
| 'D' in PEMDAS | Division |
| 'A' in PEMDAS | Addition |
| 'S' in PEMDAS | Subtraction |
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