Math Open Reference
Math Open Reference: Circles
A complete reference guide to circles including parts, angles, and arcs. It provides definitions and interactive activities that enhance further explanation.
CK-12 Foundation
Ck 12: Geometry: Area of Regular Polygons
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to calculate the area and perimeter of regular polygons. Students examine guided notes, review guided practice, watch instructional...
Alabama Learning Exchange
Alex: Swimming Pool Math
Students will use a swimming pool example to practice finding perimeter and area of different rectangles.
Alabama Learning Exchange
Alex: Circling Around
Learners will calculate the diameter, circumference, and ratio of a real world object. Students will create an electronic slideshow to illustrate the process of determining the diameter, circumference, and ratio of these objects.
Alabama Learning Exchange
Alex: Have Your Math and Eat It, Too!
In this two-day activity, students will collaborate to create a healthy pizza using only geometric items that have been precisely measured. Students must identify the items as triangle, quadrilateral (parallelogram), or cube. Next,...
Alabama Learning Exchange
Alex: Search the Perimeter and Secure the Area
This instructional activity will not only help students compare and contrast the concepts of area and perimeter, but it will also move toward the concept that area is maximized while minimizing perimeter with a square.
Alabama Learning Exchange
Alex: Shaping the Future
Students will utilize new found knowledge of architectural design and engineering to apply math and science skills in building a structure. By using interactive websites, they will create scale drawing plans and design and engineer a...
Alabama Learning Exchange
Alex: The Pythagorean Theorem in the Real World
The introduction of this lesson has students verifying the famous Pythagorean Theorem with a hands-on proof. Students will then apply the Theorem in one of two ways: by solving for the side lengths of a right triangle and by determining...
Alabama Learning Exchange
Alex: Characteristics of Quadrilaterals
Young scholars will begin unit on quadrilaterals with basic overview of characteristics of parallelograms, rectangles, squares, rhombi, and isosceles and non-isosceles trapezoids. After the word wall is made, the teacher can use...
Alabama Learning Exchange
Alex: Determine the Vertices of Transformed Images
This hands-on instructional activity uses exploration and discovery to help students determine the coordinates of the vertices of various figures when translated, rotated, or reflected in a coordinate plane. The exploration phase will...
Alabama Learning Exchange
Alex: Thinking Outside the "Box"
The students will find the area of each two dimensional figure on a net of a rectangular prism. In groups, students will cut out the net and create a rectangular prism. Groups will then discuss how to find the lateral area and the total...
Alabama Learning Exchange
Alex: What Do We Have in Common?
This inquiry lesson explores the definitions of quadrilaterals and the properties of the diagonals of quadrilaterals to classify quadrilaterals. Students will work cooperatively to justify conclusions. This lesson plan was created by...
Alabama Learning Exchange
Alex: Discovering Pi
This lesson allows students to discover the number Pi. By measuring real life objects, students will get to see where the number Pi comes from as well as how the circumference formula is derived.This lesson plan was created as a result...
Alabama Learning Exchange
Alex: How Tall Is the School's Flagpole?
The purpose of this activity is to help students apply math concepts concerning similar triangles and trigonometric functions to real life situations. The students learn how to take these concepts and use them to find measurements of...
Better Lesson
Better Lesson: Geometry Shape Book
Third graders develop their understanding of the importance of different 2-dimensional shapes by finding real world examples.
Geometry Help
Geometry Help: Area of Geometric Shapes
Explains the basic concept of the area of geometric shapes with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Khan Academy
Khan Academy: Density Word Problems
Solve problems concerning real-world situations using your knowledge of volume, surface area, and density.
Khan Academy
Khan Academy: Draw Lines of Symmetry and Symmetrical Figures
Practice drawing lines of symmetry and creating symmetrical figures.
Quia
Ixl Learning: Regular Polygons
Brush up on your math skills relating to regular polygons then try some practice problems to test your understanding.
Other
Nearpod: Perimeters of Polygons
In this instructional activity on finding the perimeter of rectangles, 3rd graders learn key vocabulary, explore grid paper, and apply their learning to a real-world situation.
National Council of Teachers of Mathematics
The Math Forum: Suzanne Alejandre: Factor Lesson
Young scholars will discover factoring through the area of a rectangle.
University of Regina (Canada)
University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...
Other
Bright Productions Web Designs: Shape Game
You will enjoy this shape game. It tells you the name of a shape and all you have to do is click on the correct shape. If you get confused you can have another try.
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Recortando Geometria
In Spanish. In this site you will find different activities involving geometric plane figures.