Math · Topic 90 of 124
Millions and Billions
⭐ MasteredA million is a thousand thousands, written as 1,000,000. A billion is a thousand millions, written as 1,000,000,000. Big numbers are easier to read when you use commas.
💡 Fun fact
A million seconds is about 11.5 days, but a billion seconds is more than 31 years.
All about Millions and Billions
A million is a thousand thousands, written as 1,000,000. Commas help us read big numbers by splitting them into groups of three digits.
5 days, but a billion seconds is more than 31 years. Big numbers like these help scientists describe distances in space and populations of people and animals.
🎮 Try it yourself!
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