This addition math craft helps build knowledge on composting while celebrating Earth Day! Students will solve the math problems on each adorable worm. This craft is perfect for kindergarten, 1st grade, 2nd grade, 3rd grade, and 4th grade. The many different versions makes it easy to differentiate for your students. Included: within 5, within 10, within 20, double digit, triple digit, with regrouping, without grouping. Please see the preview for examples of specific problems. Shop the bundle and