Shodor Education Foundation
Squaring the Triangle
Teach budding mathematicians how to square a triangle with an interactive that shows a graphical proof of the Pythagorean Theorem. Pupils alter the lengths of the legs using sliders. Using the inputted lengths, the applet displays the...
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Area of Shapes
In this area of shapes worksheet, students determine the area of equilateral triangles, acute triangles, and compound figures. This one-page worksheet contains 3 multi-step problems. Answers are provided with this interactive...
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Area of Figures That Include Circles
In this area worksheet, students calculate the perimeter and area of given complex figures. They determine the area of shaded regions, and find the distance between straight lines. This one-page worksheet contains 4...
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Shapes and Angles
Are your geometry whizzes learning about angles and shapes? This online activity gives 10 multiple choice questions based on images and word problems. Concepts include deducting angle degree, classifying shapes, and identifying angle...
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Trigonometry Formula Worksheet
In this trigonometry instructional activity, students solve right triangle problems. They find the sine, cosine and tangent of given triangles. This on-line, interactive instructional activity contains 6 problems. ...
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Pythagorean Theorem
For this Pythagorean theorem worksheet, 9th graders solve and complete 8 different types of problems. First, they go to the given website and copy the picture shown. Then, students draw a right triangle using the straight line between...
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Try These Angles! Exploring Angles
In this angles activity, students answer multiple choice questions about different types of angles in shapes. Students complete 10 questions.
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Trigonometry Worksheets
In this online math worksheet, learners utilize elements of trigonometry in order to describe aspects of a right triangle. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
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Law of Cosines
In this cosine worksheet, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
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SAT Prep
In this secondary mathematics worksheet, students are provided with questions that are designed to provide SAT test preparation. The one page interactive worksheet contains ten questions. Answers are not provided.