Maryland College and Career-Ready Standards
MD.MA.4.NBT. Number and Operations in Base Ten (NBT)
4.NBT.A. Generalize place value understanding for multi-digit whole numbers.
4.NBT.A.3. Major Standard: Use place value understanding to round multi-digit whole numbers to any place.
4.NBT.A.3.1. This standard requires students to demonstrate the ability to round multi-digit numbers to any place, but goes beyond the procedure of rounding to explain how they rounded.
4.NBT.A.3.2. Ability to use their understanding of place value to reason and explain the answer for a rounding problem.