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Direct linkJenny Yun-Chen Chan; Erin R. Ottmar; Hannah Smith; Avery H. Closser – Grantee Submission, 2022
To efficiently solve mathematical expressions and equations, students need to notice the systemic structure of mathematical expressions (e.g., inverse relation between 3 and 3 in 3 + 5 - 3). We examined how symbols--specifically variables versus numbers--and students' algebraic knowledge impacted seventh graders' problem-solving strategies and use…
Descriptors: Problem Solving, Algebra, Symbols (Mathematics), Knowledge Level
