Worksheet
Curated OER

Rhombi and Squares Homework

For Students 8th - 12th
In this geometry worksheet, students set up and solve formulas to find missing angles and segments. When solving for x, the equations are just linear. There are 15 questions with multiple parts.
Lesson Plan
Texas Instruments

Construction Regular Polygons

For Teachers 9th - 12th Standards
Learners investigate the process necessary to construct regular polygons. They explore the degree measures of the angles in a regular polygon. Using this information and technology in the form of Cabri Jr., your pupils will construct...
Worksheet
Curated OER

Using Math to Build a Swimming Pool

For Students 10th
In this geometry learning exercise, 10th graders build a swimming pool using math to calculate all of the different dimensions. The pool is rectangular in shape and is measured in yards or meters. Students must convert to different units...
Lesson Plan
Curated OER

Circles and Angles

For Teachers 9th - 11th
Students identify tangents, chords and secants. In this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.
Worksheet
Curated OER

An application of the Parallax Effect

For Students 9th - 12th
In this parallax effect worksheet, students observe 2 photographs taken of an active area of the sun by 2 STEREO satellites and 1 photograph taken of the same active area of the sun by the SOHO satellite. Students observe the shift in...
Lesson Plan
Curated OER

Congruent Trianges - Is This Enough Information?

For Teachers 7th
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.
Lesson Plan
Curated OER

Types And Magnitudes Of Earthquakes

For Teachers 6th - 12th
Learners investigate the concept of earthquakes and the different types of magnitudes. They research the Richter scale and how it is used to measure the intensities of earthquakes. Students then apply the concept by completing a...
Worksheet
Curated OER

Perimeter, Area and Volume

For Students 10th
In this geometry activity, 10th graders solve problems by finding the perimeter, area and volume of polygons. There are 17 questions with an answer key.
Lesson Plan
Curated OER

Dimension Review

For Teachers 9th - 11th
Students differentiate the pros and cons of different areas. In this geometry lesson, students compare and contrast different sizes based on their area. They put an image to the size of a shape.
Lesson Plan
Curated OER

Hoe Long Does it Take to Get to a Star

For Teachers 8th - 11th
Students calculate the distance in light years. For this geometry lesson, students solve problems involving distance, using the distance formula. They rewrite big numbers using scientific notations and apply their knowledge of everyday...
Worksheet
Curated OER

Right Triangle Trigonometry

For Students 10th
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure.  The two page worksheet contains fourteen problems.  Answers are provided. 
Worksheet
Curated OER

Trigonometric Ratios

For Students 10th
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length.  The three page worksheet contains a combination of twelve multiple choice and free response problems. ...
Worksheet
Curated OER

Finding Angles in Right Triangles

For Students 10th
In this geometry worksheet, 10th graders use right triangle trigonometry to solve application problems in which they find the measure of the missing angle in a right triangle.  The two page worksheet contains five free response...
Worksheet
Curated OER

Special Right Triangles Homework

For Students 9th - 12th
For this geometry worksheet, students solve both kinds of special right triangles. There are 12 questions with multiple parts.
Interactive
Curated OER

Area and Perimeter of Rectangles Worksheet (II)

For Students 10th
In this geometry worksheet, 10th graders determine area and perimeter of rectangles, given the width and the length. The one page interactive worksheet contains ten questions. Answers and hints are included. 
Lesson Plan
Curated OER

To the Moon

For Teachers 6th - 12th Standards
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
Worksheet
Curated OER

Finding Perimeter and Area

For Students 5th - 8th
In this area and perimeter worksheet, students are given the equations to find the perimeter and area of objects. They practice finding the perimeter by measuring the sides of given objects and adding them together. They find the area of...
Lesson Plan
Curated OER

Balancing Act

For Teachers 2nd
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry lesson, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
Worksheet
Curated OER

Find the Side of the Triangle

For Students 9th - 10th
For this geometry worksheet, students investigate the missing side of  triangles given the other two sides. There are 5 questions with a solution key.
Lesson Plan
Curated OER

Special Effects-Titanic and Beyond

For Teachers 9th - 12th
Students view a video clip about special effects. They use geometry to determine how it changes one's perspective. They work together to construct their own room and comparing their room with other groups, noting the type of...
Lesson Plan
Curated OER

Navigating by the Numbers

For Teachers 6th - 8th
Students observe how math is important in navigation and engineering. They study how surveyors use math and science to calcute, count, measure, label, and indicate distances on a map. They estimate specific distances.
Lesson Plan
Curated OER

The Effects Of Earthquakes

For Teachers 6th - 8th
Students investigate the concept of how earthquakes occur and the after effects of how they effect landforms. They conduct research it using a variety of resources and measure the varying intensities of how earthquakes effect the...
Lesson Plan
Curated OER

Introducing Powers and Models

For Teachers 4th - 6th
Young scholars construct two dimensional models to illustrate squared numbers. For this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Young scholars identify powers and relationships between...
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 10th
For this geometry worksheet, 10th graders solve for missing sides and angles of a triangle. They use the pythagorean theorem to solve for the unknown in a right triangle. There are 5 questions on this worksheet.

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