When we write the number 5,645, the 6 is not really a 6.
As it is in the hundreds place, its value is really 600.
The abacus below shows this.
*Notice the abacus uses units. Units is another word for ones.
So, the number 5,645 is made up of:
5 thousands 5,000
6 hundreds 600
4 tens 40
5 ones 5
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