Spring Preschool Math ActivitiesSpring Preschool Math Activities includes activities for number recognition, one to one correspondence, measurement, and building 2D shapes. All activities are simple to prep and easy to use in the classroom. INCLUDED IN SPRING PRESCHOOL MATH ACTIVITIES:1 base tens mat1 tens frame mat30 number cards (1-30)3 ten strips9 units12 building 2D shape cards (square, rectangle, oval, circle, triangle, heart, star, diamond, pentagon, crescent, hexagon, and semi-circle)12 m