Students draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. They investigate the sum of the interior angles of various triangles and conjecture and prove the theorem: The...

Young scholars identify the special segments of triangles, the median, angle bisector, altitude, and perpendicular bisectors.

Students practice various equations for constructing nine-point circles for triangles.

Use this lesson for a basic review of angles. While the activities discussed are outlined, there are no materials provided to make implementation possible. When using this resource, it is necessary to create worksheets and other...

Students investigate the properties of triangles and parallelograms. In this geometry lesson, students calculate the formula used to find the are of a triangle and other polygons. They create a visual model to represent their findings.

In this triangles activity, students name the kind of triangle that is shown in the picture. Students name 3 different kinds of triangles.

In this geometry worksheet, students identify the missing sides and angles of triangles. They find the midsegment of each triangle. There are nine questions with an answer key.

Students solve problems involving triangles. In this geometry lesson, students use the properties of triangles to find the angles and side. They identify the median and altitude of the triangle.

Students apply properties of triangles to the real world. In this geometry lesson, students identify the median and angle bisectors of triangles. They plan the appropriate are to place a new medical center based on their knowledge of...

Young scholars define important vocabulary words using a dictionary. For this geometry lesson, students identify and use properties of triangles to solve problems. They identify the median. altitude and angles as well as properties of...

In this geometric shapes worksheet, students respond to 4 multiple choice questions that require them to identify triangles, squares, and rectangles.

In this unknown angle worksheet, students find the unknown angle in the triangle that gives them 2 angles. Students find 9 unknown angles.

In this triangles practice worksheet, students respond to 4 questions that require them to identify the pictured triangles as acute, right, or obtuse triangles.

In this triangle worksheet, 6th graders draw and cut out a triangle, cut it into three pieces, then arrange the pieces to make new shapes.

In this triangles worksheet, students can cut out or count the triangles given to them. Students cut or count 13 different colored triangles.

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.

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...

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.

In this geometric shapes worksheet, students cut out the 8 triangles on the bottom of the worksheet and paste them to fit inside the octagon on the top of the worksheet.

Students explore the concept of concurrent lines in triangles. For 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...

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.

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.

In this triangle worksheet, students focus on mastery of the shape. Students trace 3 large and 3 small triangles.

In this math review worksheet, students solve 4 fill in the blank problems using algebraic reasoning, 1 fill in the blank problem where they identify odd and even numbers, 1 fill in the blank problem where they determine the amount of...