#1 One
The number one represents a single unit and is the first counting number.
#2 Two
Two represents a pair, such as a pair of shoes or eyes.
#3 Three
Three is the number of sides on a triangle and comes after two.
#4 Four
Four is often associated with the four seasons or the four sides of a square.
#5 Five
Five is the number of fingers on a human hand and represents half of ten.
