Have set up befor going on a nature walk! - I love math that is so visual. This link will open to an article on Kindergarten Math but so many of the activities can be adapted to younger students, like the leaf activity pictured here.

Estimate & Measure with Chef Pierre (from Compass Learning Odyssey) Great activity for Estimate how many cinnamon rolls each pan will hold, then measure to see if you are correct.

Math, literacy, recipes, games and fun activities that kids can do with Dr. Seuss' Cat in the Hat.Adventure Theatre production of Dr. Seuss Cat in the Hat