I'm always looking for ways to take the class outside to learn. We could explore shapes (sides, vertices, etc.) by creating them with sticks. Eg. Students are given a certain number of sticks and have to make as many triangles, squares, etc. as they can.
Matchstick Puzzles – Challenge your children with this great maths extension or problem solving activity where children must move the required amount of matchsticks to make the equation correct. My children could not get enough of this activity! Happy teaching! - https://www.teacherspayteachers.com/Product/Match-Stick-Maths-Problem-Solving-Task-Cards-Grade-5-and-6-Extension-Activity-2615829