⭐⭐There are twenty-three AP Calculus Mathematical Practices Posters in this set. ⭐⭐ Teachers will find these posters are a great addition to your classroom decor. The 23 skills are associated with the four mathematical practices found in the CED. Students should build and master these skills through the year. The skills form the basis of the task models on the AP Exam. There is a set of PDF posters and a GOOGLE Edition that can be edited and displayed in your classroom when needed. The Three