Emphasis by whole over part is designed to bring emphasis to the big picture rather than bring emphasis to any small part. Here the emphasis is on the shape of the Greek letter pi not the individual numbers of the irrational numerical mathematic constant.
Trigonometry Functions Chart - Great reference for Precalculus Students and Teachers. It includes all the major functions of sin, cos, and tan. It even includes the reciprocal functions of csc, sec, and cot.
27 Creative Ways to Make Teaching 2D Shapes Happen
4 important things to add to an Algebra 2 bulletin board. Yes, even big kids like them! This is a snapshot of one part of the word wall in my high school Math classroom. This part is for Algebra I'll have to take photos of the Geometry and Algebra sect