Define addition.
The mathematical operation of finding the total or sum by combining two or more numbers.
What is the sum of 5 and 3?
The sum is 8.
Fill in the blank: Two plus ______ equals four.
Two
True or false: Addition can only be performed on whole numbers.
FALSE
Addition can be performed on integers, fractions, and decimals.
What is the commutative property of addition?
Changing the order of addends does not change the sum.
Define addend.
An addend is a number that is added to another number in an addition operation.
What is the identity property of addition?
The sum of any number and zero is the number itself.
Fill in the blank: Seven plus ______ equals ten.
Three
True or false: The sum of two negative numbers is always negative.
TRUE
What is the associative property of addition?
The way numbers are grouped does not change their sum.
Calculate: What is 15 plus 20?
The sum is 35.
Fill in the blank: Four plus ______ equals nine.
Five
What is the sum of 12, 8, and 5?
The sum is 25.
True or false: Addition can be performed with variables.
TRUE
Variables can represent numbers in algebraic expressions.
Define sum.
The result of adding two or more numbers together.
What is 100 plus 250?
The sum is 350.
Fill in the blank: Ten plus ______ equals fifteen.
Five
Calculate: What is 7 plus 14?
The sum is 21.
What is the sum of 0 and 0?
The sum is 0.
True or false: Addition is a binary operation.
TRUE
It requires two operands to perform the operation.
What is 25 plus 75?
The sum is 100.
Fill in the blank: Five plus ______ equals eight.
Three
What is the sum of 3, 6, and 9?
The sum is 18.
Calculate: What is 50 plus 50?
The sum is 100.
