Place value within 100 (3)

Place value within 100 (2)

Place value within 100

Place value within 1,000

Covert from unit to standard form using more than 9 ones, e.g. 3 tens 12 ones.

Prepares students to conceptually understand subtraction with renaming.  For example, to solve the subtraction problem 73 – 28 using the standard algorithm, students need to rename 73 as 6 tens & 13 ones.