Answer:
plus sign
Explanation:
A simple addition problem usually looks like this
7+2=9
The + sign is called a plus sign. This sign means add.
The = is called an equal sign. This shows the answer to the problem you have just completed.
Both the 7 and the 2 are called addends in addition. The two number that will be added
The 9 in this problem is called the sum. The sum is the answer you got to by adding two or more numbers together.