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Direct linkMoss, Diana L.; Lamberg, Teruni – International Journal for Mathematics Teaching and Learning, 2019
This article describes a learning trajectory on expressions and equations based on the sixth-grade Common Core State Standards for Mathematics (NGA/CCSSO, 2010). A classroom teaching experiment using design research (Lamberg & Middleton, 2009) was conducted. The data was analysed using Corbin and Strauss' (2014) Constant Comparative method and…
Descriptors: Algebra, Equations (Mathematics), Mathematical Formulas, Grade 6
Download full textvan Galen, Frans; van Eerde, Dolly – Indonesian Mathematical Society Journal on Mathematics Education, 2013
At the end of primary school all children more of less know what a percentage is, but yet they often struggle with percentage problems. This article describes a study in which students of 13 and 14 years old were given a written test with percentage problems and a week later were interviewed about the way they solved some of these problems. In a…
Descriptors: Problem Solving, Mathematical Concepts, Interviews, Middle School Students
