Your fact-checks will appear here
The methods and practices used in teaching mathematics, including the use of mnemonics like PEMDAS and the importance of explicit instruction and targeted practice in correcting common misconceptions.
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...
PEMDAS and BODMAS are regional mnemonics that encode the same underlying order‑of‑operations principle—do grouping symbols first, then exponents/orders, then multiplication and division (as a pair, le...
Mental-arithmetic shortcuts turn a problem like 305 × 70 into a sequence of simpler, well-structured steps—remove zeros, multiply the core digits, and reattach zeros—so the brain handles small, famili...
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...
PEMDAS and BODMAS are pedagogical acronyms that encode the same conventional “order of operations” used to disambiguate arithmetic and algebraic expressions: evaluate grouping symbols first, then powe...
PEMDAS is a shorthand to resolve ambiguity in multi-operation expressions: do Parentheses, then Exponents, then Multiplication/Division (left-to-right), then Addition/Subtraction (left-to-right) — whi...