2.2 Terminology
In mathematics there are used many expressions that belong to the mathematical language, and naturally, it is important if you understand the meaning of those different expressions. If you can master these expressions, then you will have an easier time understanding and succeeding with mathematics. Here below is a list of some words that are associated with addition and subtraction.

Addition
Symbol: +
Example of addition:
"Two plus seven is equal to nine"
2 
+ 

= 
9 
Term 
+ 
Term 
= 
Sum 
Words that can mean to add:
 "adding"
 Calculated the sum
 Sum up
 together

Subtraction
Symbol: 
Example of subtraction:
"Nine minus six is equal to three"
9 
 
6 
= 
3 
Term 
 
Term 
= 
Difference 
Words that can mean to subtract:
 minus
 calculate the difference
 subtract
