Students explore the concept of area under a curve. In this area under a curve lesson, students find the area under a curve using the Monte Carlo method using random points and probability. Students calculate the area under the same...

Fifth graders classify triangles. For this triangle lesson, 5th graders learn about the characteristics that make up a triangle. They are instructed through video, PowerPoint slides, and teacher-led demonstrations.

In this geometric calculations of solar storms learning exercise, students use a diagram indicating the location of 2 STEREO satellites, the earth and the sun to calculate the distance between a Coronal Mass Ejection and the Earth. They...

Twelfth graders build a model of the following figures with the base from column I and the cross-section from column II. Draw the base with labeled axes on the graph paper and construct the figure on top of the base with the play dough...

Students explore the concept of finding area. In this finding area lesson, students use knowledge of area of triangles to find area of squares and rectangles. Students find area of irregular figures by breaking the figure down into...

For this congruency worksheet, students find congruency in everyday packaging on everyday items and answer questions about them. Students answer 4 questions.

For this grade 3 math worksheet, students complete a total of 10 questions that use a variety of grade 3 concepts. Page is part of a site with links. 

Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.

In this triangles and quadrilaterals worksheet, students solve 7 short answer problems. Students find objects around the house that are constructed from triangles, parallelograms, trapezoids, squares, rectangles. Students sketch the...

Students explore the concept of minerals. In this minerals lesson, students discuss how cooling affects the size of crystals. Students discuss how the structure of minerals is a tetrahedron. Students discuss the structure of silicates...

Students explore the pattern of the unit cell. For this science lesson, students color the unit cells on a worksheet and create a pattern using unit cells.

Learners explore the concept of fractals. In this fractals lesson, students use the website to research where fractals occur in nature. Learners research what fractals are and how fractals are used to solve real world problems.

This basic website will give you lots of information about circles. There are also some questions to test your circle knowledge.

This resource provides a practice geometry quiz for students to use.

[Free Registration/Login Required] Students explore the concept of using geometry software to construct geometric shapes by navigating through the interactive learning module and then answering questions that go along with the module....

Calculating the circumference or perimeter of a circle has gotten easier with this formula and practice for finding the circumference.

Abeni works at the pyramids. Visit her and find out more about circles and triangles.

Kyan is an African villager. Can you help him name and define different parts of shapes?

This module features a lesson plan for shapes. Teachers of thie instructional activity will engage their students in a game that requires the use of balance, movement, and "shape" mathematical concepts.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.

Provided are definitions of arcs in circles, an example and theorems to assist with test preparation.

Practice more challenging problems identifying circles, triangles, squares, and rectangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] This concept teaches students to solve for missing segments created by a tangent line and a secant line intersecting outside a circle.