Curated OER
Maya Math: Addition and Subtraction
Students examine how ancient Maya counted, and practice addition and subtraction using Maya number glyphs.
Curated OER
Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference lesson, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference on their data...