TED-Ed
How Many Ways Can You Arrange a Deck of Cards?
Entertain and grab your learners' attention with a short video clip that engagingly teaches the concept of a permutation and how a factorial is a wonderful shortcut for theoretical probability calculations.
Curated OER
From Where to Where?
Students find locations based upon their latitude and longitude coordinates. In this latitude and longitude lesson, students locate points on a grid and learn how to use an astrolabe.
Curated OER
Telling Time
First graders play a fun game while learning to tell time. This BBC site is well designed. They enjoy it while learning a lot. Playing in pairs would be lots of fun.