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- Grade Range
- 9th - 10th
- Rating
Students work outside to estimate the height of objects such as trees or buildings using a hypsometer and trigonometry. They complete this activity using a graphing calculator after they have studied trigonometric ratios, and angles of elevation and depression. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students pretend they are hiking up a mountain. They practice making calculations on angles and elevation. They use topographic maps to estimate distances and trigonometric ratio methods. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students use light and shadow information to make inferences regarding the three dimensional shapes of specific objects photographed on the surface of Mars. Limitations of the of the data provided are discussed and entries made into the logbook. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students take a walking field trip to look up and down different objects in the school yard. They discuss "angle of elevation" and "angle of depression." Student sketch triangles they see in real life. They solve application problems involving right triangles. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students are introduced to the concept of trigonometry. They encounter the six trigonometric functions and are shown examples of ways to solve real life problems that involve trigonometry. Students find the values of trigonometric functions for acute angles. Full Review »
- Grade Range
- 9th
- Rating
Students create clinometers using a protractor, weight, and string. They work in pairs to practice sighting objects above or below their line of sight. Students use ratios of right triangles to determine the height of a predetermined object. Full Review »
- Grade Range
- 7th
- Rating
Students explore similar shapes and angles. Given parallel lines and a transversal, students identify supplementary, complementary, corresponding, alternate interior and alternate exterior angles. They discuss the relationship between angles and their location. Students use functions to determine similar and congruent triangles. Full Review »
- Grade Range
- 8th
- Rating
Students review definitions and draw examples of each. They participate in guided practice lessons using one of the angle measurements to find all of the others. They finally progress to individual problem solving practice by completing the worksheet. Full Review »
- Grade Range
- 8th
- Rating
Students examine the properties of equality and proportionality to solve a variety of problems involving shapes and angles. They define key vocabulary terms, calculate the measurements for angles with the teacher, and independently complete a worksheet. Full Review »
- Grade Range
- 9th
- Rating
Students examine the concepts of properties of equality and proportionality to solve a variety of problems involving shapes and angles. They observe the teacher modeling examples of different problems, and independently complete a worksheet and discuss the solutions as a class. Full Review »
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