TY - GEN AU - Castro Rodríguez, Elena AU - Porras, Karen PY - 2021 UR - https://hdl.handle.net/10481/109239 AB - In Costa Rica, since 2012, schoolchildren have been trained in modelling as a fundamental part of the educational curriculum. Objectives: To identify and characterise errors incurred by a group of secondary school students in Costa Rica when applying... LA - eng KW - Errors KW - mathematical modelling KW - middle school education KW - Direct proportionality TI - Errors Middle School Students Make When Performing Mathematical Modelling Tasks T2 - Conocimiento sobre fracciones de docentes de primaria en formación DO - https://doi.org/10.15359/ru.35-2.10 ER -