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Performance
Radford University

Rocket Quads

For Teachers 9th - 12th Standards
How high will it fly? Pairs build straw rockets and launch them at different angles and determine the height and horizontal distance of the flight path. Teams make conjectures about how the angle affects the measured distances and use...
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Performance
Radford University

Pirate Attack

For Teachers 9th - 12th Standards
Arr ye matey, it's time for some trig. Learners first read up on the 2010 attack on the USS Nicholas by a group of pirates and the testimony of one of the witnesses. They use right triangle trigonometry to determine if the account is...
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Unit Plan
Radford University

Right Triangle Applications: Lessons 1 and 2

For Students 9th - 12th Standards
Use right triangles for more than just mathematical problems. The first two lessons of a unit ask pupils determine distances between cities by using the Pythagorean Theorem and a map. To cement understanding, learners use trigonometric...
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Activity
101 Questions

Lost in the City with a Clinometer

For Students 9th - 12th Standards
Come look at trigonometry from a different angle. To begin a simple activity, scholars view a video of someone using a clinometer to find the angle of elevation to the top of a building. They then use a diagram that shows the building's...
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Interactive
CK-12 Foundation

Angles of Elevation and Depression: Fly-By Calibration

For Students 9th - 12th Standards
Determine the distance between two trees from afar. Pupils use an interactive resource to create two right triangles using trees and a plane. They determine the horizontal legs of each triangle to find the distance between the two trees.
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Lesson Plan
EngageNY

Modeling with Inverse Trigonometric Functions 2

For Teachers 11th - 12th Standards
Use inverse trigonometric functions to work with ramps, rabbits, and Talladega. The class models real-world situations with trigonometric functions and solves them using inverses in the 15th installment of a 16-part series. Pupils solve...
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Worksheet
Curated OER

Sine, Cosine, and Tangent Ratios

For Students 11th
In this ratios learning exercise, 11th graders solve and complete 8 various types of problems. First, they read each problems and draw a sketch for each. Then, students write a trigonometric ratio for each problem and round any decimal...
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Worksheet
Curated OER

Applied Trigonometry Problems

For Students 9th - 12th
In this applied trigonometry problems worksheet, students solve 12 short answer word problems. Students use trigonometric ratios to find angles of elevation and depression. Students find distances between objects using trigonometric...
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Worksheet
Curated OER

Section 8-6: Solving Problems Using Trigonometric Ratios

For Students 9th - 12th
For this trigonometric ratios worksheet, students solve 20 short answer and multiple choice problems.  Students use trigonometric ratios, the angle of depression, and angle of elevation to find missing side lengths of angles of a triangle.
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Worksheet
Curated OER

Angle Measurements

For Students 10th
In this angle measurement worksheet, 10th graders solve and complete 9 different word problems. First, they read the word problems carefully. Then, students draw a picture that represents each problem and solve. Finally, they find side...
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Worksheet
Curated OER

Trigonometric Function

For Students 10th
In this trigonometric function instructional activity, 10th graders solve and complete 26 various types of problems. First, they use a calculator to find each value and each angle. Then, students state which trig function they used to...
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Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 5 different types of problems. First, they solve each of the right triangles shown and express each answer correct to two decimal places. Then students find the...
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Worksheet
Curated OER

Trig Word Worksheet 2: Angle of Depression

For Students 10th - 12th
In this angle of depression worksheet, students determine the angle of depression, find the horizontal distance, and determine the angle of elevation. This two-page worksheet contains nine multi-step problems.
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Lesson Plan
Curated OER

Geometry: Solving Right Triangles

For Teachers 10th - 12th
Students use trigonometry skills to solve right triangle problems. After the teacher presents several examples, they solve problems on worksheets and discuss their solutions with partners. In a final activity, students determine the...