#### Learners’ errors in secondary algebra: Insights from tracking a cohort from Grade 9 to Grade 11 on a diagnostic algebra test

Pournara, C., Hodgen, J., Sanders, Y., & Adler, J. (2016). Learners’ errors in secondary algebra: Insights from tracking a cohort from Grade 9 to Grade 11 on a diagnostic algebra test. *Pythagoras, 37*(1). doi: http://dx.doi.org/10.4102/pyth...