Twenty - Definition with Examples

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What is number twenty? 
In mathematics, the number 20 represents a quantity or value of 20. 

The whole number between 19 and 21 is 20. The number name of 20 is twenty. 

Number 20 Number Name Twenty Twenty 20 Base Ten

20 is 10 more than 10.

Here are 20 cupcakes and 20 ladybugs.

twenty things around us

  Fun Facts

  • 20 is an even number.
  • 20 is a composite number.
  • 20 is the sum of the first four consecutive even numbers : 2, 4, 6 and 8.

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Twenty pennies in Jenny’s pocket,
She bought a red toy rocket!
Jenny spent all the twenty,
Now her pocket is all empty!

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Children can be asked to observe or count things around them that are twenty in number. 
You can show your children books, magazines and encyclopedias to discuss facts related to the number twenty such as the distance (in feet) at which one stands to read the letters on a chart in an eye checkup, the number of faces a regular icosahedron has, the number of sectors on a dartboard.

related math vocabulary Related math vocabulary

NumberWhole NumberNumber NameEven Number, Composite Number, Nineteen .
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