Common Core Math Vocabulary

Fifteen - Definition with Examples

let's learn Let's learn!

What is number fifteen? 
In mathematics, the number 15 represents a quantity or value of 15. 

The whole number between 14 and 16 is 15. The number name of 15 is fifteen.

 Number 15 Number Name Fifteen; Fifteen 15 Base Ten

15 is 5 more than 10. 

Here are 15 teddy bears and 15 butterflies. 

Fifteen Things Around Us

  Fun Facts

  • 15 is an odd number.
  • 15 is a composite number.
  • 15 is the sum of the first five consecutive whole numbers: 1, 2, 3, 4 and 5.
 

let's sing Let's sing!

Fifteen little bears,
Dancing on their toes!
Stood on fifteen chairs,
In a ballerina pose!
 

let's do it Let's do it!

Children can be asked to observe or count things around them that are fifteen in number. 
Instead of handing out number worksheets to your child, you can discuss various facts related to number fifteen such as the number of minutes in one quarter of an hour or the number that represents the first point gained in a game of tennis. 
 

related math vocabulary Related math vocabulary

Number, Whole Number, Odd Number, Composite NumberFourteen, Sixteen, Number Name .
 

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