In this expressions and operations worksheet, 9th graders solve and complete 3 different multiple choice problems. First, they determine the value that is closest to x for the given expression. Then, students find the height of an...

Students construct triangles. For this geometry lesson, students create equilateral triangles. They also construct triangles where the sides are different. They use the lab to create and move shapes around with the Cabri program.

Fifth graders identify and classify scalene, equilateral, and isosceles triangles. In this triangle lesson, 5th graders define the different attributes of 3 types of triangles and sort them by descriptions and...

Seventh graders produce a tessellation of an original design developed using an equilateral triangle, where three unique symmetrical faces rotate throughout their creation.

In this polygon activity, learners find the sum of the interior angles of a polygon. They determine the perimeter of equilateral figures, identify concave and convex figures and explore the characteristics of equilateral, equiangular and...

High schoolers classify different types of triangles. In this geometry lesson, students identify and use properties of triangles. They differentiate between isosceles and equilateral triangles.

In this math worksheet, students create a paper model of a snub cube. It is an Archimedean solid comprised of 6 square faces, 32 equilateral triangle faces, 24 vertices and 60 edges.

In this triangles and quadrilaterals worksheet, 10th graders solve 6 different problems related to using triangles and quadrilaterals in informal geometry. They determine how many lines of symmetry an equilateral triangle and an...

In this prisms worksheet, 10th graders solve and complete 6 different types of problems. First, they find the volume of a right prism with equilateral triangles as bases. Then, students find the volume of a right prism with isosceles...

In this geometry activity, 10th graders analyze an equilateral triangle which is divided into right triangles and determine missing lengths.  The one page activity contains one problem.  Answer is provided.

For this geometry worksheet, students locate 12 geometry vocabulary words that are included in a word bank at the bottom of a word search. They find words such as equilateral, isosceles, and scalene which can be found across, down, or...

Get hundreds of interactive activity plans using the Zome Modeling System. Among dozens of lessons, a first exposure to similar triangles can be very visual for the learner. Here, young geometers explore the number of different shapes...

Students discover the difference between triangles. In this triangle lesson plan, students discuss the different types of triangles, then draw the three different types of triangles. The teacher will draw, or model, how to draw the...

In this word search worksheet, students locate 7 types of triangles. Triangles include isosceles, acute, equilateral, right, and obtuse.

In this math worksheet, students build a truncated dodecahedron. This is a solid shape with 12 regular decagonal faces and 20 equilateral triangular faces. Students build this shape to assist in developing their cognitive and geometric...

In this 2-D shapes worksheet, students identify and label 8 shapes as one of the following: pentagon, octagon, rectangle, hexagon, semicircle, equilateral triangle, heptagon and/or isosceles triangle.

In this classifying shapes using Venn diagrams worksheet, students draw examples of isosceles, right, and equilateral triangles in the proper sections of the first graphic organizer. They draw polygons, both regular and quadrilaterals,...

Students classify triangles by the length of their sides. In this geometry instructional activity, students use a white board to demonstrate the angles of various triangles. Students construct an equilateral, isosceles, and a scalene...

Sixth graders investigate tessellations and their origins. Students trace triangles to form a tessellation. They measure the angle of equilateral triangles. Students locate the line of symmetry, they create geometric squares,...

In this triangle worksheet, students label triangles as acute, right, obtuse, scalene, equilateral or isosceles. A reference web site is given for additional activities.

In this triangle activity, learners identify triangles as either, right, acute, obtuse, equilateral, scalene or isosceles. A reference web site is given for additional activities.

Students investigate the concept of a Limit and how it is used in a variety of problematic situations. They fold paper to help illustrate how to form equilateral triangles and explain how all the angles are the same. The lesson includes...

In this triangle learning exercise, students identify triangles as scalene, equilateral, right, obtuse, acute or isosceles. A reference web site is given for additional activities.

For this triangle worksheet, students identify a set of 4 triangles as either equilateral, isosceles or scalene. A reference web site is given for additional activities.