Curated OER
Exploring the Orthocenter of a Triangle
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
Curated OER
Mountaineering: How Our Bodies Acclimatize
In this mountaineering and acclimatization worksheet, high schoolers read about the changes that take place in the blood as the body acclimatizes to high altitude. They answer three critical thinking questions about acclimatization.
Curated OER
Similarity
In this similarity activity, 10th graders solve and complete 14 different types of problems. First, they find the length of each segment given two lines parallel. Then, students find the measure of each segment of a parallelogram...
Curated OER
Surviving Extremes
Students examine the potential health dangers of mountain climbing in high altitudes and deep-sea diving. They write a health and safety column for a fictional magazine about extreme outdoor sports that explains the risks involved in...
Curated OER
Parts of Similar Triangles
In this parts of similar triangles worksheet, 10th graders solve 6 different problems related to determining the value of various parts of similar triangles. First, they find the value of x in the 2 figures shown. Then, students find the...