The Ultimate ISEE Lower Level Math Formula Cheat Sheet

Mixed Numbers

Factoring Numbers

Integers  

Order of Operations  

Ratios

Percentages

Proportional Ratios

Percent of Change

Expressions and Variables  

Distributive Property  

Equations  

Parallel and Perpendicular lines:  

Triangles

Equilateral:  

Isosceles:

Rectangles

Parallelogram

(Rhombus if l=w)
Area=lh
Regular polygons are n-sided figures with all sides equal and all angles equal.
The sum of the inside angles of an n-sided regular polygon is
\((n-2).180^\circ\).

mean:

mean: \(\frac{sum \ of \ the \ data}{of \ data \ entires}\)

mode:

value in the list that appears most often

Average

\( \frac{sum \ of \ terms}{number \ of \ terms}\)