Common Core Alignment:.

2.NBT.1a:

Number And Operations In Base Ten

Understand Place Value.

100 can be thought of as a bundle of ten tens - called a "hundred."

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).