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Toby the Turtle and His Triangle
In this triangles worksheet, students trace two dotted examples of triangles and then draw their own. Students analyze a row of geometric shapes and color the triangles.
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Identify Triangles
In this triangles worksheet, students identify each triangle as either being equilateral, isosceles, or scalene. Students complete answers for 3 triangles.
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Classifying Triangles Worksheet 2
In this classifying triangles worksheet, students classify triangles as either scalene, isosceles, or equilateral. Students complete 9 problems.
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Shapes: Triangles
In this learning shapes worksheet, students practice their fine motor skills as they trace the triangle shape and trace the word "triangle."
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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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Triangles and Rectangles
In this geometric shapes worksheet, learners study five pictures of trees made out of triangles and rectangles. Students follow the directions to trace and color the shapes they find in the picture.
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Triangles and Ovals- Ice Cream Cones
In this geometric shapes activity, students look for ovals and triangles in a picture of three multi-scoop ice cream cones. Students follow the directions to color each shape they find.
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Find the unknown angle in the following triangles
In this unknown angle instructional activity, students find the unknown angle in the triangle that gives them 2 angles. Students find 9 unknown angles.
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Perimeter of Equilateral Triangle
For this perimeter worksheet, students calculate the perimeter of 6 equilateral triangles.
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Triangle Congruence
Students use web applet to create congruent triangles. For this geometry lesson, students differentiate between congruent and similar. They create shapes online and drag those shapes around to create visuals of triangles.
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Visualize Triangles
In this finding triangles in parallelograms worksheet, students observe parallelograms, visualize half as congruent to triangles, and choose the triangle that would match each one. Students solve 5 problems.
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Special Segments in a Triangle
In this geometry worksheet, 10th graders review the vocabulary associated with the special segments of a triangle and the associated points of concurrency and solve problems in which they find the indicated missing angle or...
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Which Triangles are Right
Students apply properties of right triangles to solve problems. In this geometry lesson, students identify axioms and theorems using examples.
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Constructing Triangles
In this constructing triangles online worksheet, students construct thirteen triangles on paper first and then type in their answers on line. Students can check their answers as they go and the computer calculates the overall score for...
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Roofing and Right Triangles
Young scholars use models and symbols to represent properties of the Pythagorean Theorem. In this right triangle instructional activity, students connect real jobs to properties of right triangles. They solve word problems applying the...
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The Triangles Problem
In this geometry worksheet, 10th graders explain how two triangles can have 5 parts of the other triangle and still not be congruent. This is a word problem with an answer key.
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Applications of Triangles
Students apply the properties of a right triangle. For this triangle lesson, students describe and compare radians to degrees. They solve problems using the properties and ratios of a right triangle.
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Indirect Proof and Inequalities in One Triangle
In this geometry worksheet, 10th graders order the sides and angles of a triangle and determine the range of the third side of a triangle given the lengths of two sides. The one page worksheet contains sixteen questions. ...
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Triangle Fundamentals Multiple Choice
In this triangle fundamentals worksheet, students identify possible side lengths of triangles. The first three problems give measurements of the sides, students select the combination that is possible in a triangle. The final three...
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Self-Check for Triangle Congruence Proofs Multiple Choice
In this triangle congruence worksheet, students select the postulate that is being illustrated to prove congruence between triangles. The worksheet is self-scoring. Once students select the "check your work" link, they are given their...
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Congruent Triangles
Young scholars identify properties of triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the umber of sides to help define the angle of the polygon.
National First Ladies' Library
Fire! The Triangle Shirtwaist Factory Trial and It's Aftermath
Middle schoolers research, examine and are provided the opportunity to re-enact one of the most exciting trials of the 20th century, The Triangle Shirtwaist Factory Trial. They research the history of the trial and then divide into...
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Medians and Altitudes of Triangles
In this geometry worksheet, 10th graders determine if a given segment is a median or altitude of a triangle and use then find the indicated missing length or equation of a line. The two page worksheet contains twenty...
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Congruent Triangles
In this congruent triangles worksheet, 10th graders solve and complete 16 different types of problems. First, they name the corresponding parts of the congruent triangles shown and draw a picture. Then, students list the five ways to...
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