Grade 5 - Number and Operations in Base Ten
Standard 5.NBT.A.1 - Analyze place value equations with hundreds, thousands and millions to find which is correct.
Included Skills: Number Properties, Addition
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.