- Algebra - Mathematical abstraction from concrete experience - An explanation of how the Montessori student learns algebra while interacting with manipulatives, physical objects, represented by expressions incorporating the numerals and variables of mathematics.
- Montessori Math, Age 6-12+ - Introduction and overview of the Montessori method of teaching math to children.
- Shu-Chen Jenny Yen's Online Montessori Albums - 240 developmentally appropriate activities for 3-to-6 year old children.
