Students investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Students locate the prefix "tri" in a variety of words and make connections with...

Young scholars research the different types of triangles, including right, isosceles, scalene, and equilateral triangles. They identify the characteristics of various types of triangles and then draw them using appropriate vocabulary to...

In this angles of polygons worksheet, 10th graders solve and complete 18 different problems that include determining various interior and exterior angles. First, they determine the measure of various angles described in the first half of...

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.

Fifth graders explore geometric building blocks in the real world in order to describe the characteristics and relationships of points, lines, line segments, rays, and planes. This is the first lesson plan in a series of lessons in...

Students produce quilting stars that challenge students with unusual piecing situations, and the sampler format allows quilters to create freely with unusual fabric combinations.

Fifth graders create mathematical creatures. For this geometry lesson, 5th graders create a creature from regular and irregular geometric shapes. Students review vocabulary and construct an original creature based on a rubric.

Here's a great geometry activity to display students' knowledge of the different types of triangles. Provides resources and adaptations to supplement this instructional activity. (To access this lesson plan, you must register with...