Math education has been in the forefront of education policy discussions for over two decades. Interest in math by politicians, policymakers, researchers, and practitioners stems, in part, from the understanding that the economy will depend on jobs in science, technology, engineering, and mathematics (Clements, 2004). While math is increasingly taught in formal early childhood education settings, young children's exposure to math is less prevalent at home. The authors analyze the effects of 32-week, parent-facing text-message curricula on pre-kindergarten math achievement. The text-messaging program provides parents with small, easy-to-implement activities that leverage everyday routines and household materials. The program is designed to combat common barriers to behavior change identified in behavioral economics. This study demonstrates that a text-messaging program for parents based on behavioral economics principals can improve the mathematics development of pre-kindergarteners, with a combination program more effective than a pure math program. [SREE documents are structured abstracts of SREE conference symposium, panel, and paper or poster submissions.]