4.NBT. Grade 4 - Number and Operations in Base Ten
4.NBT.A. Generalize place value understanding for multi-digit whole numbers.
4.NBT.A.1. Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. For example, recognize that $700 \div 70 = 10$ by applying concepts of place value and division.
4.NBT.A.2. Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using $>$, =, and $<$ symbols to record the results of comparisons.
4.NBT.A.3. Use place value understanding to round multi-digit whole numbers to any place.
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