Math Terms - 'O'

A	N
B	O
C	P
D	Q
E	R
F	S
G	T
H	U
I	V
J	W
K	X
L	Y
M	Z

Obtuse Angle - An angle measuring more than 90 degrees and less than 180 degrees.

Obtuse Triangle - A triangle with at least one obtuse angle (see above).

Odd Number - A number that leaves a remainder when divided by 2.

Order of Operations - The set of rules used to order the solution of mathematical problems. BEDMAS is an acronym used to remember the order of operations: brackets, exponents, division, multiplication, addition, subtraction.