Lego math worksheets - great idea to do with real legos, too! I am thinking multiplication practice too!
Geometric Shapes Activity STEM Math Idea for Kids (Kindergarten, Pre-K )
February - Movement: Simple Machines Unit Study - Example of using signs in the science center to add print to the pre-k classroom
Pattern Play & Number Cards, 2 math activities to reinforce counting skills & visual discrimination, plus a literary component with the book Ten Black Dots.
LOTS of shapes ideas: KindergartenWorks: dimensional