Activity
Computer Science Unplugged

Twenty Guesses—Information Theory

For Teachers 4th - 8th
How do we determine how much information to include and what can be left out? By playing a game of 20 questions, the class generates the best strategies for finding a number. They then move on to guessing the next letter in a short...
Lesson Plan
Curated OER

Math: Congruent and Similar Figures

For Teachers 8th
Eighth graders use geo-boards to create similar and congruent figures and find their corresponding sides. Using the geo-board paper, they draw the shapes they create on the geo-boards. With partners,students create similar and congruent...