Lesson Plan
Curated OER

Twenty and Ten

For Teachers 4th
Fourth graders examine moral choices faced by Gentiles during the Holocaust and the role of the rescuer.
Lesson Plan
Curated OER

The Achievements and Challenges of Guatemala

For Teachers 9th - 12th
Students 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.

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