In this similar triangles worksheet, students solve 20 short answer problems. Students determine if two given triangles are similar.  Students determine the type of similarity given two triangles. Students are given a sketch of the...

In this right triangles learning exercise, 10th graders solve and complete 13 different problems. First, they find the lengths of both missing sides. Then, students find the altitude of an equilateral triangle given the measure of one...

Seventh graders recognize the characteristics of isosceles triangles. In this isosceles triangle lesson plan, 7th graders use geoboards to create isosceles triangles. Students record results and explain why they have an isosceles triangle.

In this geometry worksheet, students solve problems based on the triangle inequality theorem(s) in which determine if the given lengths can form a triangle, given two sides of a triangle determine the range of the third side, and order...

In this area of a triangle worksheet, students solve 6 graphing problems. Students find the area of a triangle given the three coordinates of the vertices.

In this right triangles learning exercise, 10th graders solve 10 different problems that include various right triangles. First, they find the value of a base given its hypotenuse. Then, students determine an angle given the perimeter...

In this area worksheet, students read and problem solve the area of 8 triangles. Students show their work on each problem on the worksheet.

Students prove and apply theorems of triangle inequality and hinge theorem. In this geometry lesson, students will discuss which triangle is bigger and why. They will use theorems, such as Exterior Angle Inequality or the Pythagorean...

In this area of triangles worksheet, students solve 18 area of triangles problems.  Students find the area of various types of triangles given a graph of the triangle.

For this right triangles worksheet, 10th graders solve and complete 14 various types of problems. First, they find the perimeter of the isosceles trapezoid shown. Then, students find the measures of each marked side of a right triangle....

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...

For this areas of triangles instructional activity, learners observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...

In this geometry worksheet, 10th graders solve problems involving area of a triangle.  The worksheet contains a combination of problems drawn on a grid and those with the dimensions labeled.  The two page worksheet contains...

In this word problem worksheet, students solve 1 multiple choice word problem.  Students determine the distance one must travel to complete a triangle.

Sixth graders graph translations (slides) and reflections (flips) on a coordinate plane. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders write a paragraph telling...

In this tessellations instructional activity, students solve 2 word problems where they use the "make a pattern strategy" to form tessellations from geometric shapes. There is scaffolding for the problem solving strategy.

In this right triangles worksheet, learners solve and complete 2 different types of problems. First, they take the case of an isosceles right triangle with a given leg and hypotenuse. Then, students find the sum of the squares of the...

In this geometry worksheet, students differentiate between isosceles and regular triangles. They calculate the area and perimeter of the triangle. There are eleven questions with an answer key.

In this proportions worksheet, 6th graders use the problem solving steps of understand, plan, solve and look back to solve a story problem using proportions.

For this isosceles right triangle worksheet, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then, students create...

In this proportions and similar triangles learning exercise, students solve 14 multiple choice problems. Kids find unknown sides of similar triangles using proportions. Students multiply means and extremes to solve proportions.

In this right triangles and circles instructional activity, students solve 4 short answer problems. Students describe a right triangle formed by point on a circle and an angle measure.

You've heard that it is true, but can you prove it? Scholars learn the Pythagorean Theorem through proof. After an overview of proofs of the theorem, learners apply it to prove triangles are right and to problem solve. This is the second...

In this geometry worksheet, students set up equations to solve for the missing angle or side of an isosceles triangle. All the equations turn out to be linear and not quadratic. There are 15 questions.