To do addition, you need to know how to count. Let's do the problem 4+5. Start from four, and count five numbers. One, two, three, four, five. (Starting at four) Five, six, seven, eight, nine. 4+5=9.
Here is some practice:
5+6
2+1
3+2
Sum is addition.
Subtraction is used to check addition.
addition
The answer to an addition problem is called the sum.
Addition is putting things together
Sum is addition.
Subtraction is used to check addition.
addition of coefficient
Addtion
addition
addition
what is the answer for a addition math problem
Subtraction is the opposite of addition.
addition to the costitusion
une addition
kind of an addition
addition and subtract in integers