Mathematics
Formal instruction in numeracy begins at age 6/7 with the four primary operations of arithmetic. Fractions are introduced at age 9/10, decimal numbers and proportions at age 10/11, percentages and rates of interest at age 11/12, algebra at age 12/13. At the secondary level, topics include algebra, geometry, conics, trigonometry, probability, combinatorics and calculus. Descriptive geometry and projective geometry are introduced at age 15/16 and 16/17, respectively.
Read more about this topic: Curriculum Of The Waldorf Schools