Illustrative Mathematics
Eratosthenes and the Circumference of the Earth
The class gets to practice being a mathematician in ancient Greece, performing geometric application problems in the way of Eratosthenes. After following the steps of the great mathematicians, they then compare the (surprisingly...
Curated OER
Tell Me; I’ll Listen
Encourage respect, responsibility, and caring within your classroom with a collection of lessons that spark dialogue and self reflection. To address character traits, lessons touch on topics such as staying safe in the cafeteria,...