4.NBT.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. Example: 70 divided by 7=10, by applying concepts of place value and division.
4.NBT.2 Read and write multi-digit whole numbers using base ten numerals, number names and expanded form. Compare two multi-digit numbers using based on meaning of digits in each place, using >,=,<, symbols to record the results of comparisons.
commutative, associative, identity, and zero properties of multiplication