Full color 8 1/2" x 11" visual vocabulary for Formulas includes the following:
Formula - defined
= (b₁+b₂)h 2 or 12(b1+b2)h  – rea of a Trapezoid 
= bh2 or (1/2)bh – rea of a Triangle
= bh – rea of a Rectangle
= P(1+r)t – Compound Interest
= s² or s x s – rea of a Square
= πrs – rea of a Circle
- defined
= l×w or b×h - ase (B) of 3-D figure 
-value – y-intercept of graph
– of a 2-D shape
– of a 3-D shape
= πd or π2r – ircle ircumference 
 
= rt – Distance (general formula)
 
= height of 3-D sape 
- of 2-D shape 
= Prt – Simple nterest
= yx  - Constant of Proportionality 
 
 
= 1/3Bh or Bh/3 – Pyramid olume 
= Bh – olume of prisms
 
= kx – Proportional 
= mx+b – Y-intercept formula
(Pi)