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Tessellations Homework
In this tessellation worksheet, students draw tessellations using specified figures. This one page worksheet contains five multi-step problems.
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Equilateral Triangle Symmetries Closure Activity
Students explore the symmetries of an equilateral triangle. In this lesson on symmetry, students determine the composition of given equilateral triangles using both rotational and reflectional symmetries.
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Pythagorean Theorem
In this measurement worksheet, 6th graders utilize the Pythagorean Theorem strategy to find the missing length on 8 triangles. Students put the answers on the lines provided underneath each triangle.
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Pythagorean Theorem
In this problem solving worksheet, 6th graders calculate the length of each missing side on 8 triangles. Students utilize the Pythagorean Theorem to calculate each side.
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Chapter 5 Final Review Extra Problems. Triangles
In this triangles worksheet, students identify the median, altitude, segment, angle bisector, perpendicular bisector and triangle midsegment of triangles. They find the perimeter of triangles. This three-page worksheet...
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Chapter 7 Final Review Extra Problems: Triangles
In this triangles worksheet, high schoolers respond to 4 short answer problems. Students describe side relationships of different types of triangles. High schoolers find the area of a segment formed by a sector.
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Investigation - Square Numbers and Triangle Numbers
Fifth graders investigate growth patterns using blocks. In this square and triangle numbers lesson, 5th graders predict sizes of larger triangles and squares based on numerical patterns they observed while building.
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Nested Similar Triangles
Nested triangles have been created so that they share a common vertex and vertex angle. Learners drag the endpoints of the side that is opposite the common angle to discover the conditions that make the nested triangles similar. When...
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Triangle Midsegment
Learn how to calculate the length and midsegments of triangles. High schoolers differentiate between similar and congruent triangles. They create a spreadsheet with their findings.
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Area Measures and Right Triangles
Your class will investigate the relationship among different triangles. This geometry lesson, demonstrates how to make a connection between triangles and the Pythagorean Theorem. They identify the missing side or angle of a triangle.
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Corresponding Parts of Congruent Triangles
Students identify different parts of a triangle. In this geometry lesson, students differentiate between similar and congruent triangles. They use the navigator to crate a visual of the different parts of a triangle.
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Triangle Island
Students calculate the altitude of triangles. In the web based lesson, students explore the interior distance from a given point in a polygon to its side. They compute the sum of these lengths. Students read life...
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IGD: Perpendicular Bisector
Students draw perpendicular bisectors. In this perpendicular bisectors lesson, students identify the perpendicular bisector in a polygon. They use web tools to create and measure perpendicular bisectors. Students...
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Classifying Triangles
In this classifying triangles learning exercise, 6th graders write the type of triangle, acute, right or obtuse, for 9 pictures of triangles, answers included.
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Area of Triangles and Parallelograms
In this area worksheet, high schoolers find the area of 21 triangles and parallelograms. Students find the area of each triangle and parallelogram given a sketch and measurements of the figure.
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Special Triangles and Quadrilaterals
In this special triangles worksheet, students examine given special triangles. They determine the length of a missing side and/or the measurement of a missing angle for given triangles and quadrilaterals. Students justify...
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Trigonometric Functions of Acute Right Triangles
Students derive the six trigonometric functions. In this trigonometry lesson, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of sine,...
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What are the Kinds of Triangles?
Fifth graders classify triangles. For this triangle lesson, 5th graders learn about the characteristics that make up a triangle. They are instructed through video, PowerPoint slides, and teacher-led demonstrations.
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Geometry Regents Questions: Isosceles Triangle Theorem
In this isosceles triangle worksheet, students solve 19 multiple choice and short answer problems. Students use the isosceles triangle theorem to determine unknown angle measures.
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Angle Sum of Triangles and Quadrilaterals
In this angle sum worksheet, students find missing angles of 20 triangles and quadrilaterals. Students find the missing angle in each polygon by using the total degrees of each and given angle measures.
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Chapter 8 Extra Problems Worksheet: Similar Triangles
In this similar triangles instructional activity, high schoolers solve 6 similar triangles. Students use proportions to solve similar triangles and similar rectangles.
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Algebra 2 & Trigonometry Practice: Law of Sines
In this law of sines worksheet, students solve 9 multiple choice and short answer problems. Students use the law of sines to missing side lengths and angles of triangles.
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Triangle Pennies
In this geometry worksheet, 10th graders arrange pennies in the form of a triangle. They then remove three pennies to rearrange the shape of the triangle and diagram it. An answer key is provided.
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Determine the Measure of an Angle of a Right Triangle.
In this geometry worksheet, students solve word problems by finding the values of missing angles and missing sides of triangles. They review their trigonometric properties of a right triangle. There are 9 problems with an answer key.