Solving linear equations, an important mathematical technique at the core of the Algebra 1 curriculum, forms an essential foundation for more advanced work. Too often, developing fluency with linear equations entails plowing through pages of repetitive exercises. How can students master this topic while using their mathematical sense-making faculties?
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COLIN FOSTER, firstname.lastname@example.org, is an assistant professor at the Centre for Research in Mathematics Education in the School of Education at the University of Nottingham in England. His research interests are in the design of rich, open mathematical tasks and how teachers and learners use, adapt, and own them in the classroom.