


add; plus; positive 


subtract; minus; negative 


multiply; times 


divide 
= 

equals 


is approximately equal to 
< 

is less than 
> 

is greater than 
$ 

dollar sign 


cent sign 


degree Celsius 


degree Fahrenheit 


angle 


parallelogram 


rectangle 


triangle 


line AB 


ray AB 


line segment AB 


vector AB 


perpendicular 


pi (approximately 3.1415926) 


is to (as in proportions such as a:b = c:d) 

