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A big bill can be traded for smaller coins that add up the same.

A big bill can be traded for smaller coins that add up the same.

This is called making change. One big bill is worth the same as a handful of smaller ones added together.

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Money is what people use to pay for things they want or need. Money is what people use to pay for things they want or need. In Vietnam, money is counted in đồng. In Vietnam, money is counted in đồng. Money can be paper bills or metal coins. Money can be paper bills or metal coins. Long ago, before money, people swapped things they had. Long ago, before money, people swapped things they had. The very first coins were made more than 2,500 years ago. The very first coins were made more than 2,500 years ago.