… At this early stage, an algebraic expression is still considered as an … about proportionality is not as straightforward as it may seem because proportional reasoning goes beyond the ratio …
CITATION STYLE
Heck, A., & Buuren, O. van. (2019). Students’ Understanding of Algebraic Concepts. In Mathematics in Physics Education (pp. 53–74). Springer International Publishing. https://doi.org/10.1007/978-3-030-04627-9_3
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