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...

Students identify tangents, chords and secants. For this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.

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.

Students 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...

Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson plan, they manipulate snack wrappers to find circumference, diameter, radius and distance.

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...

In this geometry worksheet, 10th graders solve problems by finding the perimeter, area and volume of polygons. There are 17 questions with an answer key.

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.

In this geometry worksheet, students investigate the missing side of  triangles given the other two sides. There are 5 questions with a solution key.

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.

Students calculate the distance in light years. In 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...

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. 

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. ...

In this geometry activity, 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 activity contains five free response...

In this geometry worksheet, students solve both kinds of special right triangles. There are 12 questions with multiple parts.

For 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. 

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...

Learners follow detailed directions to create triangles on their graphing calculator. In this properties of triangles lesson, they will create triangles on their calculators using the Cabri Jr. application. They then identify three...

In this area worksheet, students solve and complete 20 different problems that include the measurement of various figures. First, they determine the area of each of the triangles, parallelograms and trapezoids. Then, students determine...

For this properties of quadrilaterals worksheet, students use the properties of quadrilaterals to find the perimeter, angle measurement or length of a missing side of a given polygon. Examples and explanations of the properties are...

In this circles worksheet, learners fill in 6 fill in the blank statements about circles and solve calculate the answers to 13 questions involving different measurements of circles.

Students construct two dimensional models to illustrate squared numbers. In this geometry instructional activity, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between...

In 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.

In this geometry learning exercise, 10th graders answer questions about right triangles by identifying the 3 sides of the triangle. They analyze the different shapes of polygons and relate them to right triangles to find the sides using...