Rich, challenging problems and some longer investigations. This is a UK-based site. Key Stage 2 is equivalent to Grades 2, 3, 4 and 5.

Challenging math problems worth solving. Organised by grade level and content strand. Tend to be shorter problems.

Puzzles and games organised by grade level, designed to put your brain in a pickle. Some interesting investigations.

Part of the NRich family. Big, open, creative investigations. Also includes short videos of mathematicians talking about their work.

Are you a high school student who has conducted original scientific research that you would like to publish? The International Scholastic Journal of Science is asking for your submissions. Papers in all fields of the natural sciences are accepted: Biology, Chemistry, Physics, Earth Sciences, and Environmental Sciences.

Missing museum visits? Check out Youtheum for exhibits, special subjects and artwork, all designed with youth in mind.

MIT has posted online its introductory course on deep learning, which covers applications to computer vision, natural language processing, biology, and more. Students “will gain foundational knowledge of deep learning algorithms and get practical experience in building neural networks in TensorFlow.”

Choose from 9 different “menu” items for creative and individual or collaborative work. Choose your learning adventure!

Support advanced readers while keeping the whole class on track with group readings.

An innovative application focused on improving math problem-solving and collaboration skills. Embedded tools structure and capture the problem-solving process, and enable students to engage in mathematical discourse with peers.

Twenty great ideas for stimulating project-based learning in the classroom. Grab their interest while establishing a solid foundation of important skills, such as knowing how to conduct research, engage experts, and collaborate with peers.

100 resources for gifted kids (from the Arts to the Sciences and everything in between. Aviation, coding and programming, engineering, math , music, the performing and visual arts, literacy and more.