1. Introduction Many students struggle with introductory algebra and teachers have little to guide them in assisting students to learn this important component of high school mathematics. Little is known about the effect of students’ numeracy on the learning of early algebra, or about the strategies that students use to solve equations. There is widespread agreement that algebra is not easily understood by many students. The Cockcroft Report in the United Kingdom highlighted the fact that algebra is a source of considerable confusion and negative attitudes among pupils (Cockcroft, 1982), while the title of Brekke’s (2001) paper, “School Algebra: Primarily Manipulations of Empty Symbols on a Piece of Paper?”, sums up