This pdf file contains information sheets for all of the topics included in the Math Common Core Standards for 4th grade. Each standard and objective is explained briefly in child- and parent-friendly language. These can be sent home with students as study guides or given to parents as a reference guide to use when helping their children at home.
There are several "What are 4th graders supposed to know about..." pages included in this file:
*Operations and Algebraic Thinking
*Multiplication and Division
*Fractions and Decimals