Common Core Alignment:.

2.NBT.1:

Number And Operations In Base Ten

Understand Place Value.

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

2.NBT.1b:

Number And Operations In Base Ten

Understand Place Value.

The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).

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.