Why do we count in tens?
Finger Math
Why do we count in tens?
Hold up your hands. Count your fingers. One, two, three... all the way to ten. Why do we stop there and start over? Why not count to twelve, or eight, or twenty? The answer is right in front of you — actually, it's attached to you.
Thousands of years ago, before calculators or phones or written numbers, people needed to count things. Sheep in a field. Days until the moon was full. Fish in a basket. So they used the counting machine they always carried with them: their ten fingers.
