1 Flashcards
What is the basic definition of addition?
Addition is the mathematical operation of combining two or more numbers to obtain a sum.
What is the symbol used for addition?
The symbol used for addition is ‘+’ (plus).
True or False: Addition can only be performed on whole numbers.
False.
What is the sum of 5 and 7?
The sum of 5 and 7 is 12.
Fill in the blank: The result of an addition operation is called a ____.
sum.
What is 10 + 25?
10 + 25 equals 35.
What is the associative property of addition?
The associative property states that the way in which numbers are grouped in an addition operation does not change the sum.
What is the commutative property of addition?
The commutative property states that changing the order of the numbers in an addition operation does not change the sum.
What is 0 + 15?
0 + 15 equals 15.
True or False: Addition is reversible.
True.
What is the sum of 3, 4, and 5?
The sum of 3, 4, and 5 is 12.
What do you call the numbers being added in an addition operation?
The numbers being added are called addends.
What is the sum of -2 and 8?
The sum of -2 and 8 is 6.
Fill in the blank: The addition of two negative numbers results in a ____ number.
negative.
What is 100 + 250?
100 + 250 equals 350.
If a = 7 and b = 3, what is a + b?
a + b equals 10.
What is the sum of 1.5 and 2.5?
The sum of 1.5 and 2.5 is 4.
True or False: Addition can be performed with fractions.
True.
Fill in the blank: Adding a positive number and a negative number results in a number that can be either positive or negative depending on their _____.
magnitude.
What is the sum of 0.1 and 0.2?
The sum of 0.1 and 0.2 is 0.3.
What is the identity property of addition?
The identity property states that the sum of any number and zero is the number itself.
What is 25 + 75?
25 + 75 equals 100.
True or False: The sum of two even numbers is always even.
True.
What is the sum of 15 and -5?
The sum of 15 and -5 is 10.
