Bar graph activities for first grade that are differentiated and fun to practice graphing. This teacher has a whole lesson plan outlined with this link ! All of her worksheets ate available to print too.
Math Coachs Corner: CRA for Composing and Decomposing Numbers. Concrete practice for composing and decomposing numbers from 5 to Differentiate by choosing different target numbers to meet student needs.
Decomposing Numbers: can do an activity with the number cubes. Students roll a number. Put that number of blocks in the big circle then decompose into 2 smaller numbers. Give students a recording sheet.