The addition is one of the basic operations of arithmetic, you can call it your best friend – just like your favourite cartoon characters. It is an action where two whole numbers are added together and the result is the total.
Three digit numbers are adding by one digit number.
Add an unit place with another unit place. After have any reminders could be add them with ten place value.
Example : 345 + 5 =
Adding in three digit number with another unit place and ten place
Adding with three digit numbers with three digit nmubers.