4.NBT.2:
Number And Operations In Base Ten
Generalize Place Value Understanding For Multi-Digit Whole Numbers.
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.
6.EE.1:
Expressions And Equations
Apply And Extend Previous Understandings Of Arithmetic To Algebraic Expressions.
Write and evaluate numerical expressions involving whole-number exponents.