Clean Up this Mess! The classroom shapes are in one big heap. Students will work in teams to come up with a way to sort the shapes by attributes and create a visual representation to model their thinking. Pictures and videos of the...

NZMaths, a New Zealand teacher resource, provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.

This lesson focuses on Euclidean Geometry terminology; such as line, point, line segment, congruence, circle, radius, ray, and more. It defines each term and provides an example of each.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to translate a figure. They examine guided notes, review examples, watch instructional videos, and try practice problems.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn to dilate a figure. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

This upper elementary and middle school lesson plan introduces a variety of motion geometry concepts such as translations, reflections, and rotations. Lots of interactive support for students.

Understand theorems and proofs as they relate to geometry.

Learn about congruence in geometry.

[Free Registration/Login may be required to access all resource tools.] In this lesson students find the area of parallelograms given the base and the height. Students examine guided notes, review guided practice, watch instructional...

Quadrilaterals-parallelograms, rectangles, and trapezoids-are thoroughly introduced in this lesson plan for upper elementary and middle school students. Lots of resources are linked to it to help support the teacher and students....

Kindergarteners love to identify shapes in their environment. In order to effectively do that, they must be able to recognize different shapes by their specific attributes. In this lesson plan kindergartners learn about the attributes of...

Kindergarteners love to identify shapes in their environment. In order effectively do that, they must be able to recognize different shapes by their specific attributes. In this lesson kindergartners learn about the attributes of a square.

Kindergarteners love to identify shapes in their environment. In order effectively do that, they must be able to recognize different shapes by their specific attributes. In this lesson kindergartners learn about different types of...

In December, it's fun to decorate for the holidays. This lesson plan includes 2D shape and counting practice!

This site gives a lesson on school bus (Taxicab) geometry. The lesson includes distances and midpoints in taxicab geometry.

The lesson discusses parallelograms. The resource examines facts, diagonals, and sides of a parallelogram. Explanations and examples are included.

This lesson focuses on symmetry groups; some shapes have more than one symmetry. You can add two symmetries to form a new one. It provides examples and practice exercises including a "symmetry calculator."

[Free Registration/Login may be required to access all resource tools.] Recognize reflections as flips and also identify lines of reflection. Includes lots of examples, as well as review exercises. Other sections of the tutorial offer...

SWBAT explore the characteristics of cubes, pattern blocks, and geometry blocks. SWBAT count a set of objects up to 20 by 1's. SWBAT play the game "Greater Than" with a partner, using the correct vocabulary.

This site is a lesson plan for using a geoboard in a sixth grade geometry class. The lesson serves as an introduction to the geoboard and its uses in geometry. Some topics the lesson covers include helping to visualize shapes and and...

This lesson focuses on dilations, a dilation is a transformation that resizes a geometric shape, by making it bigger or smaller.

[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem and its converse. Includes videos, exercises, links to interactive activities, etc.

[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find missing sides and angles in non-right triangles using the Laws of Sines and Cosines.

Learn how probability is used to analyze fairness and decisions.