Common Core State Standards
CCSS.Math.Content.2.NBT Number and Operations in Base Ten
CCSS.Math.Content.2.NBT.A Understand place value.
CCSS.Math.Content.2.NBT.A.2 Count within 1000; skip-count by 5s, 10s, and 100s.
CCSS.Math.Content.2.NBT.A.4 Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.