Utah Core Standards
UT.2.NBT. NUMBER AND OPERATIONS IN BASE TEN (2.NBT)
Understand place value. Use place value understanding and properties of operations to add and subtract.
2.NBT.1. Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; for example, 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
2.NBT.1.a. 100 can be thought of as a bundle of ten tens called a "hundred."
2.NBT.1.b. 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).