NRICH Maths features a wide variety of math activities and games that aren't always pen and paper focused. It offers interactive games on the website as well as puzzles, riddles, and challenges that can be adapted for any age.
Maths at Home: offers a variety of challenges you can do at home with middle school learners.
Activities and Games: interactive games that can be played on the browser to reinforce mathematical thinking.
Thinking Mathematically: riddles, puzzles, and problems that are usually a few sentences that reinforce math concepts