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...
Old Dominion University
Introduction to Calculus
This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...
Curated OER
Gateway
Learners practice listening to math problems in a foreign language. In this number sentence activity, students listen to the teacher ask them a question in a foreign language that has some type of number combination for an answer....
Curated OER
The Witch of Agnesi
Bring humanity to mathematics by introducing a mathematician who was ahead of her time.