100 can be thought of as a bundle (group) of 10 tens called a “hundred”;
Number Sense and Base Ten
Understand place value through 999 by demonstrating that:
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ten ones can be thought of as a bundle (group) called a “ten”;
the tens digit in a two-digit number represents the number of tens and the ones digit represents the number of ones;
Compose and decompose numbers from 11–19 separating ten ones from the remaining ones using objects and drawings.
Use place value understanding to round whole numbers to the nearest 10 or 100.
Understand that, in a multi-digit whole number, a digit represents ten times what the same digit represents in the place to its right.
100 can be thought of as a bundle of ten tens - called a “hundred.”
100 can be thought of as a bundle of ten tens — called a “hundred.”