A vast majority of elementary students struggle with the core, pre-algebraic concept of mathematical equivalence. The Improving Children's Understanding of Equivalence (ICUE) intervention integrates four research-based strategies to improve outcomes for second grade students: (1) introducing the equal sign before arithmetic, (2) non-traditional…

An extensive body of empirical evidence shows that math skills at school entry are the strongest predictor of later academic success and educational attainment, but many children lack the opportunity to build the math skills needed for future success. Children who begin school with relatively low levels of math knowledge are at risk of falling…