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Curated OER
The Achievements and Challenges of Guatemala
Learners research the Mayan number and calendar system. They translate a variety of math problems from base-10 Arabic numbers into a base-20 Mayan representation. They discuss current challenges faced by the people in today's Guatemala.
Curated OER
Holiday Math Lesson Plans and Activities
December is filled with holiday traditions using numbers. Here are some holiday math lesson plans that you can do with your students.