Groups of 12 are collections where there are always exactly twelve things, like a box of crayons or a dozen cookies.
Imagine you have a bag of 12 marbles, that’s a group of 12. No more, no less. Just like when you get a dozen eggs at the store, you know there are always twelve eggs, even if they’re all different colors or sizes.
Why we use groups of 12
People often use groups of 12 because it’s an easy number to count and divide. Think about how you have 12 months in a year, that helps us keep track of time! Or think about the 12 hours on a clock, it makes telling time easier.
Fun with groups of 12
If you're sharing a dozen cookies among your friends and there are 6 of you, each person gets 2 cookies. That’s simple math using groups of 12!
Just like how you count your fingers or toes, groups of 12 help us understand bigger numbers in a fun and friendly way.
Examples
- A baker counts doughnuts in groups of 12 to make it easier when selling dozens.
- A child learns that a dozen eggs are counted in groups of 12.
- A clock has 12 hours, so time is divided into groups of 12.
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