Vocabulary (Key)

Fraction: A number that shows part of a whole Example: ½

Numerator: The top number in a fraction. Tells how many parts we have.

Example: 2/3 (2 = numerator)


Denominator: The bottom number in a fraction. Shows how many equal parts the item is divided into.

Example: 2/3 (3 = numerator)


Factor: Number being multiplied – Numbers you multiply together to get another number

Example: 2 & 3 are factors of 6 because 2 x 3 = 6


Improper Fraction: When the numerator is larger than the denominator.

Example: 97


Mixed Number: A fraction that contains both a whole number and parts of a whole – written as a fraction

Example: 11


Simplest Form: When the numerator and denominator of a fraction have no common factors except one

Least Common Multiple/Denominator (LCM/LCD): The smallest number that is a multiple of two or more numbers

Greatest Common Factor: The highest number that divides exactly into two or more numbers

Sum  Answer to an addition problem

Difference  Answer to a subtraction problem