
What is a sum?
 Addition problem answer.
 23+2=25

What is a product?
 Multiplication problem answer.
 4x3=12

What is a difference?
 Subtraction problem answer.
 21=1.

What is a quotient?
 Division problem answer.
 2/4=2

What is a divisor?
 "Divisor is knocking at the door." Outside number of division problem.
 24/12.

What is a dividend?
 "Dividend is within." Outside number of division problem.
 24/12.

What is prime?
 A number that is only divisible by one and itself.
 Example: 7

What is composite?
 A number that isn't only divisible by one and itself. The opposite of prime.
 Example: 8

What does odd mean?
 A number that ends in 1,3,5,7,9.
 Example: 21

What does even mean?
 A number that ends in 2,4,6,8,0.
 Example: 24.

What is Greatest Common Factor?
 GCF is when you have 2 numbers, it is the biggest number that will go into both numbers.
 Example: GCF of 16 and 24 is 8.

What is Least Common Multiple?
 LCM is when you have 2 numbers, it is the smallest number that will go into both numbers.
 Example: LCM of 8 and 12 is 24.

What is a factor?
 What goes into a number.
 Example: Factors of 12: 1,2,3,4,6,12.

What is a multiple?
 Product of 2 numbers.
 Example: Multiples of 12: 12,24,36,48,60,72,84,96,108.

What is Distributive Property?
 Use the Ladder Method the GCF.
 The remaining numbers below the ladder are the addends that go inside the ().
 Write the expression.
 Example: 24+16= 8(3+2)

What does add mean?
 To bring two or more numbers (or things) together to make a new total.
 Example: If you add 2 and 3 you get 5.

What does subtract mean?
 To take one number away from another.
 Example: 5  2 = 3

What does multiply mean?
The basic idea of multiplication is repeated addition. For example: 5 × 3 = 5 + 5 + 5 = 15

What does division mean?
 Division is splitting into equal parts or groups. It is the result of "fair sharing".
 Example: We use the ÷ symbol, or sometimes the / symbol to mean divide: 12 / 3 = 4 12 ÷ 3 = 4

What is dividing by a multi digit divisor?
 When the divisor in a division problem is more than one digit.
 Example: 456/23.

What is divisibility?
When one number can be divided by another and the result is an exact whole number. Example: 15 is divisible by 3, because 15 ÷ 3 = 5 exactly But 9 is not divisible by 2 because 9 ÷ 2 is 4 with 1 left over.

What is numerator?
 The number on top of a fraction.
 Example: 12/24

What is denominator?
 The number on the bottom of a fraction.
 Example: 12/24

What does simplify mean?
 To make a fraction smaller by dividing.
 Example: 15/30=1/2.

What is an improper fraction?
 When the numerator is bigger than the denominator.
 Example: 39/21.

