When early high-quality math instruction is aligned across grades, it can have a positive effect on children’s math skills, attitudes toward math, and working memory. However, evidence-based pre-K learning trajectories and instructional practices are not typically integrated into the curriculum for the early elementary grades. This lack of integration can have negative results: Children may encounter the same content more than once from pre-K to kindergarten through third grade. Conversely, the math instruction they receive may not cover the areas or progression of learning that research says ...
