Common Core Alignment:.

2.NBT.3:

Number And Operations In Base Ten

Understand Place Value.

Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.

4.NBT.4:

Number And Operations In Base Ten

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

Fluently add and subtract multi-digit whole numbers using the standard algorithm.