Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Bridge Riddle?

For Students 9th - 10th
Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn't so smart either. But now is not the time for regrets because you need to...
Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Temple Riddle?

For Students 9th - 10th
Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...
Website
Maths Challenge

Maths challenge.net: Problem Solving Database

For Teachers 9th - 10th Standards
Need some challenging problem-solving work for your students in the following areas: Discrete, Geometry, Numbers, and Code Breaking? This is the place for an enormous database of problems aimed at high school age students. They are...
Unit Plan
TED Talks

Ted: Ted Ed: Marcus Du Sautoy: Symmetry, Reality's Riddle

For Students 9th - 10th
Oxford mathematician, Marcus du Sautoy, presents a brief look of the invisible numbers that unite all symmetrical objects as he discusses prime numbers, symmetry groups, higher dimensions and other stumpers. [18:20]
Website
Other

Northpole: Santa's Classroom

For Students Pre-K - 1st
Visit Santa's classroom where you will find fun-filled and engaging activities, printable worksheets, interactive games, and more. A great resource for parents and teachers.