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Worksheet
Curated OER

Trig Ratios of General Angles

For Students 10th - 12th
In this trig ratios activity, students determine the angle measurement of trigonometric ratios. They find the value of trigonometric function. This approximately four-page activity contains 24 problems. Answers are provided on the last...
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Worksheet
Curated OER

Trigonometry Ratios in Right Triangles

For Students 10th
In this trigonometry ratios in right triangles worksheet, 10th graders solve 10 different trigonometric ratios that apply to right triangles. First, they define a trigonometric ratio and its three most common ratios, sine, cosine, and...
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Worksheet
Curated OER

Tangent of a Point

For Students 10th - 11th
In this tangent worksheet, students find the tangent of one point when given the length of the sides of a triangle. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Tangent

For Students 10th
For this tangent worksheet, 10th graders solve 10 different problems that include various tangent lines. They find the value of x using the tangent of each given angle of various triangles illustrated. Then, students identify and define...
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Worksheet
Curated OER

Three Tangent Circles

For Students 9th - 12th
In this tangent circles learning exercise, students use pi to solve a problem involving tangent circles.  This one-page learning exercise contains 1 problem.  The answer is provided at the bottom of the page.
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Worksheet
Curated OER

Missing Angles

For Students 10th - 11th
For this missing angle worksheet, students use trigonometry ratios to determine the measurement of a missing angle. Students identify sine, cosine and tangent ratios. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Angles in Circles

For Students 10th
For this angles in circles worksheet, 10th graders solve 10 different problems that include tangents and chords and intersecting chords. First, they find x when given 2 intersecting chords. Then, students determine x given the diameter...
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Worksheet
Curated OER

Precalculus Test Sections 5.1 - 5.2

For Students 10th - 12th
In this section worksheet, students simplify given addition and division problems containing ratios with sine, cosine, and tangent.  They factor problems and prove identities.  This two-page worksheet contains 12 problems.
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Worksheet
Curated OER

Numerical Practice with Big Circles

For Students 10th - 11th
In this numerical practice activity, students determine the measurement of given angles. Using trigonometry ratios, they find the measurement of ten angles on this one-page activity.
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Worksheet
Curated OER

Special Right Triangles

For Students 10th
In this special right triangles activity, 10th graders solve 10 different problems that include solving equations that are special right triangles. First, they determine the exact value of each problem. Then, students use the Pythagorean...
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Organizer
Curated OER

Year 10 Trigonometry Ch. 14 Answer Sheet

For Students 11th - Higher Ed
In this math worksheet, students find the solutions for the trigonometry problems. They label the hypotenuse, adjacent, and opposite sides. The calculations are done using sine, cosine, and tangent.
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Worksheet
Curated OER

Trigonometry

For Students 10th - 12th
In this right triangles worksheet, students use trigonometric ratios to determine the length of a side of a triangle or a missing angle measurement.  This two-page worksheet contains 20 problems.
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Worksheet
Curated OER

Trigonometric Ratios

For Students 10th - 12th
In this trigonometric ratios worksheet, students determine the value of trigonometric ratios.  They find the area of triangles, determine the length of one side, and compute the degrees in an angle.  This five-page worksheet contains 55...
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Worksheet
Curated OER

Right Triangle Trigonometry: Finding Missing Sides and Angles

For Students 9th - 11th
In this right triangle trigonometry worksheet, students find the measure of specified angles. Students determine the length of the missing side of a right triangle. This four-page worksheet contains 24 problems. Answers to the worksheet...
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Organizer
Curated OER

Year 10 Trigonometry

For Students 11th - Higher Ed
In this math worksheet, students complete the graphic organizers while filling in the missing values by using the trigonometric ratios.
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Unit Plan
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Mathematics Vision Project

Similarity and Right Triangle Trigonometry

For Teachers 10th - 12th Standards
Starting with similar triangles and dilation factors, this unit quickly and thoroughly progresses into the world of right triangle features and trigonometric relationships. Presented in easy-to-attack modules with copious application...
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Lesson Plan
Curated OER

Trigonometry

For Teachers 10th - 12th
Students investigate angles converting them from radians to degrees. In this trigonometry lesson, students work with angles and the six different trig ratios. They graph the functions representing each trig functions and identify the...
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Lesson Plan
Curated OER

Trigonometric Functions of Acute Right Triangles

For Teachers 9th - 11th
Students derive the six trigonometric functions. In this trigonometry lesson, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of sine,...
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Worksheet
Curated OER

Circles

For Students 9th - 10th
In this geometry worksheet, students solve problems by finding the diameter, radius and chord of a circle. They also solve for the area of the circle. There are 10 questions with an answer key.
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Lesson Plan
Curated OER

Unit Circle Lesson Plan

For Teachers 11th - 12th
Students identify different locations on a unit circle. In this precalculus lesson, students identify the different trig properties and rewrite the equation of a circle in standard form. They use mnemonic devices to help them remember...
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Unit Plan
Mathematics Vision Project

Circles: A Geometric Perspective

For Teachers 10th - 12th Standards
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
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Lesson Plan
Curated OER

Measurement via Triangulation

For Teachers 6th - 12th
Students utilize triangulation techniques to determine altitudes of objects. An altitude locator is constructed and used to determine the height of a building or a tree. Tangent tables and formulas provide the ratio for the formula to...
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Unit Plan
Mathematics Vision Project

Module 6: Trigonometric Functions

For Students 9th - 12th Standards
Create trigonometric functions from circles. The first lesson of the module begins by finding coordinates along a circular path created by a Ferris Wheel. As the lessons progress, pupils graph trigonometric functions and relate them to...
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Lesson Plan
Curated OER

Launches for the Stars

For Teachers 7th - 8th
Students are introduced to rockets and the space shuttle program. After viewing a 1960s show, they examine the role and history of NASA and how it evolved into having a space shuttle program. In groups, they create their own model rocket...