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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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Cosine
In this cosine instructional activity, students find the cosine of x for different measurements of triangles. Students complete 10 cosine problems.
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Sine
In this sine worksheet, students use the trigonometry equation to find the sine of triangles. Students solve the sine for 10 triangle problems.
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Triangle Puzzle
In this geometric shapes worksheet, learners analyze an intricate design of lines. Students look for all the triangles and tell how many there are.
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Physics Lab Rockets
Students construct and test balloon rockets and a model rocket. In this rocket science lesson, students use an inquiry-based method to master balloon rockets and have a shoot-off with the goal of attaining the highest altitude. Next,...
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Identify Triangles 2
In thins triangles review worksheet, learners examine 4 triangles and their measurements. Students classify them as equilateral, isosceles, or scalene.
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Identify Triangles
In thins triangles review learning exercise, students examine 3 triangles and their measurements. Students classify them as acute, right, obtuse, equilateral, isosceles, or scalene.
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Drawing Triangles
In this drawing triangles worksheet, 6th graders read the dimensions of four triangles, given the length or the angle, identify the type of triangle and draw it.
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Using Centimeters to Measure the Perimeter of Triangles
In this using centimeters to measure the perimeter of triangles worksheet, 2nd graders measure 6 triangles with a centimeter ruler and write the equation used to find the perimeter.
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Identify Triangles
In this triangles instructional activity, students identify each triangle as either being equilateral, isosceles, or scalene. Students complete answers for 3 triangles.
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Geometric Shapes
In this geometric shapes worksheet, learners respond to 4 multiple choice questions that require them to identify triangles, squares, and rectangles.
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Identifying Triangles
In this triangles practice learning exercise, students respond to 4 questions that require them to identify the pictured triangles as acute, right, obtuse, scalene, isosceles, or equilateral triangles.
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Find the unknown angle in the following triangles
In this unknown angle worksheet, students find the unknown angle in the triangle that gives them 2 angles. Students find 9 unknown angles.
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Identify Geometric Shapes
In this identify geometric shapes learning exercise, students identify eleven shapes as either triangles, nonagons or quadrilaterals.
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Identifying Triangles
In this triangles practice activity, students respond to 4 questions that require them to identify the pictured triangles as acute, right, or obtuse triangles.
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Triangle Worksheet: Cut, Construct and Think 1
In this triangle activity, 6th graders draw and cut out a triangle, cut it into three pieces, then arrange the pieces to make new shapes.
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Triangles
For this triangles worksheet, students can cut out or count the triangles given to them. Students cut or count 13 different colored triangles.
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Triangles in Rectangle
In this geometric shapes worksheet, students cut out the triangles on the bottom of the worksheet and then paste them on the rectangle at the top of the worksheet.
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Anticipation/Reaction Guides and Discussion Groups
Seventh graders study geometric shapes around the classroom. In this geometry lesson plan, 7th graders discuss their answers in groups to the Anticipation/Reaction guide handout. Students complete the reaction side of the guide and...
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Triangles in Hexagon
In this geometric shapes practice worksheet, students cut out 8 triangles from the bottom of the worksheet and paste them inside the hexagon shape on the top of the worksheet.
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Triangles in Octagon
In this geometric shapes learning exercise, students cut out the 8 triangles on the bottom of the learning exercise and paste them to fit inside the octagon on the top of the learning exercise.
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Concurrent Lines in Triangles
Students explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Students use a...
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Triangles
Students draw triangles. In this shapes lesson, students discuss what they already know about triangles, what they are and what they are made up of. Students discuss the types of triangles and practice drawing each type.
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Triangle Attributes and Measures
Seventh graders explore the concept of triangles. In this triangles lesson, 7th graders sort triangles according to various attributes such as acute, obtuse, isosceles, or equilateral. Students find the area and perimeter of triangles.