Math Giraffe

Circle Theorems & Properties of Angles in Circles - Practice / Review: These 4 half-page challenges include circle theorems for inscribed angles and other angles within circles. The puzzles cover a range of difficulty levels. Please review the preview file to see a full list of theorems included and a list of prior knowledge required. Students will use a variety of theorems to find each missing angle measure. ** This resource is also available as part of a DISCOUNTED bundle: Circles Bun

This is an activity that I love to use on the first day of school, but it can also be inserted anywhere throughout your school year. It's perfect for an end of the year lesson. It would also work well in a gifted program or math club. Students learn about the Mayan Number System and use cards with the Mayan number symbols to assemble two-digit and three digit numbers in base 20. Get your classes thinking critically about place value, zero, number systems, and different bases! This lesson ca