The content knowledge resources below are intended to support your own content knowledge development to refresh you in content you may not have seen in a while, deepen your understanding of content, or to support you in learning new content you may not have been exposed to before. Some of these resources are aimed at adult learners, and some are tagged as P-12 resources but all offer you an opportunity to engage in mathematics that deepens your content knowledge and will support your teaching of mathematics content.
Developing Essential Understanding of Expressions, Equations, and Functions for Teaching Math in Grades 6-8 by 
Developing Essential Understanding of Functions for Teaching Mathematics in Grades 9-12 by 
Developing Essential Understanding of Geometry for Teaching Mathematics in Grades 6-8 by 
Developing Essential Understanding of Geometry for Teaching Mathematics in Grades 9-12 by 
Developing Essential Understanding of Proof and Proving for Teaching Mathematics in Grades 9-12 by 
Developing Essential Understanding of Ratios, Proportions, and Proportional Reasoning in Grades 6-8 by 
Developing Essential Understanding of Statistics for Teaching Mathematics in Grades 6-8 by 
Developing Essential Understanding of Statistics for Teaching Mathematics in Grades 9-12 by 