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- Grade Range
- 4th - 12th
- Rating
Students, just like Eratosthenes, try to use math to calculate immeasurable objects. Teachers need to try out the calculations before having your class do them. They should take notes to be included with their own calculations and drawings. Full Review »
- Grade Range
- 6th - 8th
- Rating
Studnets work together to practice measuring in navigation scenerios. They discover how to measure angles and how errors in their calculations can throw them off course. They examine how engineers use this information for making better navigational systems. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students work together on computers to practice measuring for navigation. They discover that errors in their calculations can lead them in the wrong direction. They examine the need of computers by engineers. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students find area and distance using a variety of applications, technical tools, and mathematical formulas. They find the coordinates of school property, buildings, and patches of weeds on the football field using GPS systems. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students examine how navigation is based on mathematics and how making a mistake in measuring an angle could have an impact on a target. They observe a teacher-led lecture, use a calculator to complete two worksheets, and participate in a hands-on navigation demonstration on the field at school. Full Review »
- Grade Range
- 10th - 11th
- Rating
Students calculate the unknown sides and angles of a triangle and explore why one cannot determine the lengths of the sides of triangles if only the angles are known. Students explore the Law of Sines and the Law of Cosines by creating and measuring triangles. Students calculate the unknown sides by applying the correct formula. Full Review »
- Grade Range
- 7th
- Rating
Students solve problems using trigonometric ratios. Given parallel lines and a transversal, students identify supplementary angles, complementary angles, alternate interior, alternate exterior and corresponding angles. They identify the measurements of angles and justify their answer. 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
- 9th
- Rating
Students investigate the concept of using different measurements while completing an assessment. They are working on test taking skills that are multiple choice. The lesson also includes some word problems that call for measurement conversions. Full Review »
- Grade Range
- 5th
- Rating
Students use sin to solve problems involving right-angled triangles, Solve equations of the form sin(++) = a, for a between -180++ and 360++. They State and graph the value of sin(++) in special cases. They describe some of the ways in which the sine, cosine and tangent functions are related. Full Review »
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