Compose, decompose, and compare three-digit numbers according to their base-ten structure.
Number and Quantity
Number & Operations in Base Ten: Understand place value.
Look for and make use of structure.
No resources have been tagged as aligned with this standard.
See the structure of a number as composed of its base-ten units.
Make use of the structure of numbers when making tens or when creating equivalent but easier or known sums.
Compose and decompose numbers 11–19 to gain foundations for place value using objects and drawings.
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).