Outdoor tic tac toe using stone tiles and rocks. I would make a small garden for the kids and have this in it. Cute decor when the kids aren't playing with it. Great for when the mom is at work and the kids want to play
10 in a Bed from EllieAndAbbie "(This project is really easy. Just use a stiff white envelope for the bed. Then glue felt onto the envelope for the blanket. I got the idea from this book: Kathy Ross Crafts: Numbers)" FOR USE IN BASIC MATH
Environmental Education and STEM: science, technology, engineering & math. The environment is a compelling context for teaching and engaging today's students in science, technology, engineering and math (STEM).
Here are some of the best resources aligned with the Common Core for math high school teachers. It is a topic that is highly stressed over and simplistic tools like these can aid you to be a more efficient educator.