KQED News Mind/Shift – Katrina Schwartz 
Riddles are a great way to get kids thinking logically, testing predictions, using math and even collaborating. They’re fun and often quite challenging. Many riddles often sound confusing at first, forcing students to think about ways to isolate information or simplify a problem. These are useful skills for all problem solving. TED-Ed and its educator contributors have put together great animated riddles that make the presentation of the riddle fun and walk through the solutions once kids have tried to solve them. (more)