Lesson Plan
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Special Right Triangles

For Teachers 9th - 12th Standards
Using the Pythagorean Theorem to solve for missing angles, students evaluate right triangles and their properties.
Lesson Plan
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Wetland vs. Stream Macroinvertebrates

For Teachers 9th - 12th
A link to a comprehensive macroinvertebrate guide gives you the information needed to prepare for this field study activity. Sample macroinvertebrates are collected from areas representing different environmental conditions. Junior...
Worksheet
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Similarity

For Students 7th - 12th
In this similarity worksheet, students identify similar shapes.  They determine the scale factor of the similar shapes and find their volume and area.  Students enlarge shapes according to the given scale factor.  They...
Lesson Plan
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Does My Hair Disrupt Your Learning

For Teachers 10th - 12th
Pupils research the laws and policies for school dress codes in their school and others in their state or area and explore what others say about these policies. After research is complete, students divide into two teams to develop...
Worksheet
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Trigonometric Triangles

For Students 9th - 11th
For this trigonometry worksheet, students find the missing angle and sides given the 6 trigonometric values. There are 6 questions with an answer key.
Lesson Plan
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The Law of Sines

For Teachers 11th - 12th
Students define the laws of sine as it relates to a right triangle. For this trigonometry lesson, students identify the properties of sine to help then find mixing sides of a right triangle. They also solve for the missing angles.
Lesson Plan
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Pythagorean Relationships

For Teachers 9th - 12th Standards
Oh that Pythagorean Theorem is so useful. Learners engage in a 45 minute learning activity that requires them to solve for missing angles and sides of a right triangle. They'll use the Pythagorean Theorem to find the rations of sides and...
Lesson Plan
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PRE ALGEBRA

For Teachers 8th
Eighth graders find missing angles of triangles, quadrilaterals and angles formed by parallel lines cut by a transversal. They use area formulas to find the area of a figure; find the complement and supplement of a given angle; and know...
Worksheet
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Pythagorean Theorem

For Students 5th - 6th
In this finding the missing units in triangles worksheet, learners apply the Pythagorean Theorem to solve. Students solve 10 problems. 
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Quadrilaterals

For Teachers 10th
In this geometry worksheet, 10th graders solve problems with quadrilaterals. They calculate the sum of the angles, find missing angles and identify properties of quadrilaterals. There are 16 questions with an answer key.
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Properties of Special Quadrilaterals

For Teachers 9th - 12th Standards
Teach your mathematicians how to identify the properties of quadrilaterals. In this geometry lesson, students solve for missing angles and sides of a special quadrilateral. They use the TI to move the sides around and create different...
Worksheet
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Section 6.1-6.2 Precalculus: Trigonometry

For Students 9th - 12th
In this trigonometry worksheet, high schoolers solve 15 triangle problems.  Students use the law of sines and law of cosines to find the missing angles and side lengths of a triangles.
Lesson Plan
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Triangle Sum Theorem

For Teachers 9th - 12th Standards
Teach your class how to solve problems using the triangle sum theorem. In this geometry lesson, high schoolers identify the missing angles in a triangle using the sum theorem. They graph triangles on the TI and moves the sides around to...
Interactive
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February Facts Internet Hunt

For Students Pre-K - 6th
In this February facts Internet hunt instructional activity, students use search engines and linked websites to answer 30 questions about topics from all subject areas.  This page has numerous links to helpful web resources.
Worksheet
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Triangle Trigonometry IB Packet

For Students 11th - 12th
In this trigonometry instructional activity, students use triangle trignometry to solve problems in order to find the missing length, angle, or area of the triangle. The one page instructional activity contains...
Interactive
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Mixed Right Triangles

For Students 10th
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive worksheet contains ten questions. Answers and hints are included. 
Lesson Plan
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Indians in Georgia

For Teachers 4th - 8th
Students investigate technology used by Native Americans by examining their creations.  In this Native American math lesson plan, students examine the overall area of Mississippian Indian mounds that were built hundreds of years...
Lesson Plan
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Missing Macroinvertebrates

For Teachers 9th - 12th
High schoolers investigate the concept of a macroinvertebrate. They observe the presence of increases or decreases in population in order to test for factors that contribute to the extinction of a species. Students predict the likelihood...
Lesson Plan
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Review of Triangles

For Teachers 8th - 10th
Students investigate the Pythagorean Theorem. For this geometry lesson, students define angles and sides of right triangles. They calculate the area and surface area using formulas derived by the Pythagorean Theorem.
Worksheet
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Using the Pythagorean Theorem

For Students 7th - 8th
In this using the Pythagorean Theorem worksheet, students use the Pythagorean Theorem to find the missing information for ten right triangles.
Lesson Plan
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Pythagorean Theorem Practice

For Teachers 7th - 10th
In this geometry skills worksheets, students examine 10 triangles and use the Pythagorean theorem to identity the lengths of the missing units.
Lesson Plan
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Jump Rope Around the World (Target Heart Rate)

For Teachers 4th - 5th
Students participate in a game where they get 5 "lives." When they miss with the rope the fifth time, they go to another area in the gym. They continue jumping to keep their heart rates elevated.
Lesson Plan
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Pythagorean Triple

For Teachers 8th - 10th
Students investigate the properties of the Pythagorean Theorem. In this geometry lesson, students identify the missing angles and sides of a right triangle. They label the hypotenuse and legs of a right triangle correctly.
Worksheet
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Year 10 Mathematics Triangle Test

For Students 11th - Higher Ed
In this math learning exercise, learners find the solutions to the missing angles and sides of the triangles using the correct trigonometric ratios.