Key Idea1 of 3
Same Number, Different Ways
The number 45 can be shown as: 4 tens 5 ones, or 3 tens 15 ones, or 45 ones. All three are the same number! Different ways to show the same amount.
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Math — Place Value: Tens and Ones
The number 45 can be shown as: 4 tens 5 ones, or 3 tens 15 ones, or 45 ones. All three are the same number! Different ways to show the same amount.