Teachers can use these tools to promote discussions and help students move from concrete to abstract understanding of concepts.

This project is an open-source games hub where each mini-game is stored in its own folder. Every game runs directly in the browser and is written in pure HTML, CSS, and JS — no frameworks, no build ...

Move a single matchstick so that there are six squares. Each matchstick’s entire length must be part of at least one square. Show puzzle solution There are three solutions, including the mirror image ...