Place Value for Kids: Why We Count in Tens

The story of place value for kids: why ten fingers mean most of the world counts in tens, and how the system we use today grew up in India.

• How the Babylonians counted in sixties, which is why an hour has 60 minutes
• Why the Maya counted in twenties
• How the same digit means one, ten or a hundred depending on where it sits
• Quiz questions to answer along the way

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