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Lesson Plan
Curated OER

Getting it Right!

For Teachers 6th - 8th
Students investigate error. As shown in earlier activities from navigation lessons 1 through 3, without an understanding of how errors can affect position, one cannot navigate well. Students explore how computers can help in navigation....
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Worksheet
Curated OER

Sin x = x/100

For Students 11th - 12th
In this trigonometry worksheet students determine the number of solutions for the problem sin x = x/100.  The one page worksheet contains one problem with solution. 
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Worksheet
Curated OER

Trigonometry Worksheet: Addition Formula

For Students 9th - 12th
In this trigonometry worksheet, students solve 2 problems involving the addition formula.  Students find the sine of a given angle using the addition formula.
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Worksheet
Curated OER

Precalculus Practice Worksheet

For Students 11th - Higher Ed
In this Precalculus worksheet, students apply an elementary knowledge of calculus to apply the identity to four different problems.
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Worksheet
Curated OER

Trigonometric Functions

For Students 12th - Higher Ed
In this Calculus activity, students solve multiple detailed problems for four different Math concepts. They apply the concepts of Trigonometric ratios.
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Lesson Plan
Curated OER

Math: Investigating Triangles

For Teachers 10th
Tenth graders identify the trigonometric ratios for right angled triangles. Through independent investigation, they discover the constancy between the ratios of any two sides of similar triangles. In an alternative method, 10th graders...
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Lesson Plan
Curated OER

Limits Of Trigonometric Functions

For Teachers 11th - Higher Ed
Students engage in a lesson that is about computing the limits of trigonometric functions. They practice computing the functions of sin, cos, and sin to find the missing values related to triangles. Students also calculate the limits of...
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Lesson Plan
Curated OER

Using Trigonometry

For Teachers 5th
Fifth graders explore the use of trigonometry to find unknown sides and angles in right-angled triangles, taking the concepts that were developed in the previous unit and looking at different ways of practicing the new skills. Students...
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Lesson Plan
Curated OER

Trigonometric Applications Outside the Classroom

For Teachers 5th
Fifth graders describe and demonstrate how trigonometry can be used to find the height of a tall building or tree. They describe and demonstrate how trigonometry can be used to find the height of a high hill, or other high object where...
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Lesson Plan
Curated OER

Water Quality Data Analysis

For Teachers 11th - 12th
Learners develop a process for analyzing collected bayou data. They find the mathematical relationships among various biological factors. Students, work collaboratively using technology in their data analysis.
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Lesson Plan
Curated OER

ndirect Measurement Technique: Using Trigonometric Ratios

For Teachers 9th
Ninth graders find the height of an object that would be difficult or impossible to measure directly. They construct and use a Clinometer to measure the angle of elevation (or depression). Students create a sketch of the measurement...
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Lesson Plan
Curated OER

Simply Similar at Sea: Simple Triangles

For Teachers 10th
Tenth graders answer a variety of problems based on similar triangle and learn about the rule of thumb. They will test the rule of thumb by estimating the distance to an object in the classroom.
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Lesson Plan
Curated OER

Measuring The Earth

For Teachers 9th - 12th
Students use their geometry and trigonometry skills to determine the distance between their school and another school.