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The rules governing the order in which mathematical operations should be performed, including the use of parentheses and the left-to-right associativity of equal-precedence operations.
The expression 143 + 305 * 70 evaluates to 21,493 when computed by hand by following the standard order of operations: perform multiplication before addition (PEMDAS/MULT before ADD) and then add the ...
The expression 143 + 305 * 70 should be evaluated by performing the multiplication before the addition, because standard order-of-operations rules (PEMDAS: Parentheses, Exponents, Multiplication/Divis...
Students commonly misapply the order of operations by treating the mnemonic PEMDAS as strictly sequential instead of recognizing equal-precedence pairs and left-to-right associativity, mixing up subtr...
Computing expressions that mix multiplication and addition commonly trips people up because of order-of-operations rules and misleading mnemonics; multiplication has precedence over addition, but mult...