The Bill & Melinda Gates Foundation is investing big in math, including teacher training and high quality instructional materials.

Math spirals. Content taught in earlier grades lays the foundation for higher-level work later on. Students who had gaps from prior grades did worse in Algebra 1, the researchers found.

Nationally, 86% of white 4 th graders were at least on grade level in mathematics. Only 55% of Black students could say the same. This staggering disparity is an issue the Gates Foundation has ...