Pascal’s Triangle

Definition: Pascal’s Triangle is an arithmetical triangle made up of staggered rows of numbers found by adding the two numbers above it.


Example: Find the first 5 rows of Pascal’s Triangle.


Step 1: Begin the triangle with the first two rows. They are “1” and then “1 1”.

Pascal's Triangle.png

Step 2: Find each row underneath by placing 1’s on the outside of the row and then finding the numbers in the middle by adding the two numbers above it.

Step 3: The first 5 rows are: 1 / 1,1 / 1,2,1 / 1,3,3,1 / 1,4,6,4,1

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