Curated OER
Area and Perimeter
In this geometry worksheet, 10th graders use single variable equations to solve problems focusing on area and perimeter of triangles, trapezoids, parallelograms, rectangles, and hexagons. The one page worksheet contains seventeen...
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Geometry Problem
In this geometry worksheet, 10th graders analyze an equilateral triangle which is divided into right triangles and determine missing lengths. The one page worksheet contains one problem. Answer is provided.
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Triangles
In this triangles worksheet, learners solve for the missing angles and missing sides on the triangles given. Students complete 12 problems total.
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Math Club Warm Up #17b
In this area worksheet, 6th graders solve 2 problems about area, one with a square and one with a triangle; there are 4 sheets on a page.
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Area and Periemeter
In this geometry worksheet, 10th graders determine the area and perimeters of various quadrilaterals and triangles. The one page worksheet contains ten problems. Answers are not provided.
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Angles and Triangles
Eighth graders examine Jewish symbols. In this Holocaust lesson, 8th graders discuss the meanings behind the Swastika and the Star of David. Students also measure the angles and shapes with the symbols.
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Identify triangles
Students explore triangles. In this geometry lesson, students will create note cards with pictorial depictions of right, acute,obtuse, scalene, isosceles, equilateral and equiangular triangles. Students will verbally describe each type...
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SAT Grid Practice Test 11
In this SAT practice test, students compute the area and perimeter of polygons. They determine the volume of a cylinder and solve problems with exponents. This one-page activity contains 10 problems. Answers are provided.
National Council of Teachers of Mathematics
How Many Triangles?
For this triangles worksheet, learners problem solve and shade triangles within other triangles. Students complete two problems.
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Tangrams
In this tangram worksheet, middle schoolers form a square using tangrams. Afterwards, they form additional shapes with tangrams. This one-page worksheet contains 180 tangram shapes for students to create by placing...
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Find the Missing Side of the Right Triangle
In this find the missing side of the right triangle worksheet, students use the Pythagorean theorem to find the missing side, given the other 2 lengths, for 4 triangles.
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The Law of Cosines
In this Law of Cosines worksheet, learners are asked to demonstrate the ability to apply the Trigonometric Law of Cosines and the Inverse Law of Cosines to solve for sides and angles of right triangles.
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Pascal's Patterned Triangle
Fifth graders receive a brief history of Pascal's triangle. As a class the students construct the first few rows of the triangle. The students are then split into groups where they finish a worksheet identifying the total value of each...
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The Greedy Triangle
Students discuss figures with various numbers of sides. For this geometry lesson, students are read The Greedy Triangle by Marilyn Burns, they participate in a class discussion of many sided figures and are introduced to the term...
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Pythagorean Theorem for Algebra I
In this Pythagorean theorem for algebra I worksheet, students answer 10 problems finding the missing side of a right triangle using the Pythagorean theorem.
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Drawing a Triangle with Cabri Junior
Learners draw triangles on their graphing calculators using the Cabri Junior application. For this graphing calculator lesson, students follow step by step directions to create triangles on their calculator. They identify the type of...
Print and Practice
Triangles and Rectangles
In this triangle and rectangle instructional activity, students color triangles red and rectangles blue in a given set of shapes. A reference web site is given for additional activities.
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Using Algebraic Equations in Geometry Problems
In this using algebraic equations in geometry problems worksheet, 6th graders write an equation to solve each addition problem about geometry, then find the solution.
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Pythagorean Theorem
In this Pythagorean theorem worksheet, students use the Pythagorean theorem to find the missing side of the triangle. Students complete 10 problems.
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Inverse Functions in Trigonometry
In this inverse functions in trigonometry worksheet, students find the missing angles in eight right triangles, given the length of two sides.
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Triangle: Print and Color
In this word recognition worksheet, students trace the word "triangle", write the word independently, and color the picture of the triangle.
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Using the Pythagorean Theorem
In this using the Pythagorean Theorem worksheet, students use the Pythagorean Theorem to find the missing information for ten right triangles.
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Formula Determination
Learners derive a formula for the interior degrees in any convex polygon. In this geometric figure lesson, students determine the shapes of various polygons and the number of triangles formed. They use this information to derive the...
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Altitude Locator
Students use protractors, strings, and straws to construct a device used to determine the height of tall objects. In this applied geometry lesson, students use common objects to construct a tangent height guide. They use principles of...