Use chalk to count and sort items found outdoors.
Preschool math activity that uses LEGO to teach symmetry.
For math fun in our garden we us a ball abacus. Outdoor Maths Ideas - Twinkl Blog
Are you taller than a penguin? Can go along with any unit of study...show actual sizes of things...wheels in head spinning
LEGO Addition Mats Printable Math Activity - Frugal Fun For Boys and Girls
Number Bonds to 10 and 20
Maths provision in my reception classroom
Practising number formation on number roads
Penguin Activities, Centers and Crafts for Preschool and Kindergarten