2.NBT.1. Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:||Common Core Mathematics||Grade 2||Number And Operations In Base Ten||Understand Place Value|||2.NBT.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.||Common Core Mathematics||Grade 2||Number And Operations In Base Ten||Understand Place Value|||4.NBT.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.||Common Core Mathematics||Grade 4||Number And Operations In Base Ten2||Generalize Place Value Understanding For Multi-Digit Whole Numbers|||4.NBT.3. Use place value understanding to round multi-digit whole numbers to any place.||Common Core Mathematics||Grade 4||Number And Operations In Base Ten2||Generalize Place Value Understanding For Multi-Digit Whole Numbers|||5.NBT.1. Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.||Common Core Mathematics||Grade 5||Number And Operations In Base Ten||Understand The Place Value System