NCTM
The public voice of mathematics education, supporting teachers to ensure equitable mathematics learning of the highest quality for each and every student through vision, leadership, professional development, and research. The National Council of Teachers of Mathematics is the global leader and foremost authority in mathematics education, ensuring that each and every student has access to the highest quality mathematics teaching and learning.
Mathematical Association of America
the largest professional society that focuses on mathematics accessible at the undergraduate level. MAA is the leading professional association in collegiate mathematics, the preeminent publisher of expository mathematics, the primary source of professional development programs for faculty, and the number one provider of resources for teaching and learning.
1XL Math
At IXL Learning, we are passionate about creating and supporting the best educational technology possible. We develop first-of-their-kind products used by millions of learners, from children to adults. People count on us to make learning as effective as it can be, and we are deeply committed to solving the real-world challenges faced by students and teachers around the planet.