American students struggle with math. The United States ranks behind many of the industrialized nations with respect to math and science.
Teaching methods in most schools stress memorization instead of analyzing and conceptualizing. The 2015 PISA evaluations showed that while American students were able to solve the first "layer" of a math problem, they failed at complex questions that required deeper analytical skills. Research shows students learn math best as an open, conceptual, inquiry-based subject. Speed does not indicate Skill.
Teach-n-Tutor provides standards-based math tutorial focusing on number sense, operations and computations, and processes and applications to ensure that students are not simply memorizing their math, but gain an "understanding of the underlying numerical relations."