Common Core Alignment:.

3.NBT.1:

Number And Operations In Base Ten

Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.4

Use place value understanding to round whole numbers to the nearest 10 or 100.

4.NBT.3:

Number And Operations In Base Ten

Generalize Place Value Understanding For Multi-Digit Whole Numbers.

Use place value understanding to round multi-digit whole numbers to any place.