Curated OER
Birthday Problem
Young scholars identify the probability of an event occurring. Learners explore the complement of an event in finding why an event will not happen. They also explore basics of probability within algebra.
Curated OER
Historical Harbor Habitats
Tenth graders create food web displays in the classroom. In this ecology instructional activity, 10th graders identify the different pollutants in the environment and their effect on organisms. They collect samples of sediments from the...