National Council of Teachers of Mathematics
Nctm: Figure This: Cut the Cake
A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...
University of Cambridge
University of Cambridge: Nrich: Building With Solid Shapes
Predict which solid shape constructions would be unstable as shown at this one page website. Solutions are available right at the website.
Other
Kinderweb: Educational Children's Games
Use this site to practice identifying shapes, colors, and animals with these interactive games.
![Pbs: Mathline: Let's Face It [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Pbs: Mathline: Let's Face It [Pdf] Lesson Plan")
PBS
Pbs: Mathline: Let's Face It [Pdf]
Check out this math project about polyhedra! Learners will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]
E-learning for Kids
E Learning for Kids: Math: Riksjas, Toek Toek: Polygons
Explore polygons with Wang, a ricksha puller. Answer his questions and he will give you a free ride!
Illustrative Mathematics
Illustrative Mathematics: 1.g 3 D Shape Sort
As a whole group, students will sort a collection of three-dimensional objects into categories by shape. There should be several that fall into each of the categories below: Aligns with 1.G.A.1.
History is Fun
Jan Brett: Geometric Shapes Flashcards Pdf
Print out these colorfully illustrated PDF file pages to practice learning your basic two dimensional geometric shapes. Fold them in half and one side shows the shape while the other side shows the shape with the correct name. Put them...
ClassFlow
Class Flow: 3 D Shapes
[Free Registration/Login Required] In this flipchart, students are introduced to the following 3-D shapes, including spheres, cylinders, and rectangular prisms.
PBS
Pbs Learning Media: Cross Sections of a Cube
This interactive exercise focuses on discovering the relationships between two and three-dimensional shapes.
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...
Math Is Fun
Math Is Fun: Making 3 D Solids
This tutorial features templates and instructions to make the following solids: tetrahedron, cube, octahedron, dodecahedron, and icosahedron.
National Council of Teachers of Mathematics
Nctm: Figure This: Visualizing
Is seeing believing? Explore visualizing and spatial reasoning with three dimensional shapes in this challenge from the NCTM Math Challenge for Families collection. Discover why visualization is essential skill in real world situations.
National Council of Teachers of Mathematics
Nctm: Figure This: A Shard or Two
Archaeologists have just uncovered an ancient plate. They need your help to determine the original size of the plate. Try this challenge where you use concepts of symmetry and estimation to uncover the solution. An activity from the NCTM...
Education Development Center
Tune in to Learning: Polygons and Perimeter
Explore different polygons and find their perimeter with this interactive lesson from T.V.411. Students see examples of polygons in everyday life and have immediate feedback to your responses to lesson questions.
Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
A lesson focusing on the area of polygons and the circumference of circles. Engaging, interactive practice worksheet, lesson plan, and related classroom activity complete this lesson.
Alabama Learning Exchange
Alex: Nifty Nets
During this activity, young scholars will create nets for prisms. They will find the volume and surface area of the shapes. They will also use interactive activities to review three-dimensional shapes.This lesson plan was created as a...
PBS
Pbs: Black Kingdoms of the Nile
A geometry lesson that examines the history and structure of ancient pyramids and engages students in constructing pyramid models. A comprehensive lesson that considers students with diverse learning styles. Math concepts introduced...
E-learning for Kids
E Learning for Kids: Math: School Bus: 3 D Objects
Let Peter the Bus driver help you learn about 3D objects.
National Council of Teachers of Mathematics
Nctm: Illuminations: Geometric Solids
An interactive game to find number of edges, surfaces and vertices of different geometric shapes.
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.
The Math League
The Math League: Basic Terms: Lines
This tutorial gives a very basic definition of lines.
Science Buddies
Science Buddies: M&m Geometry
Geometry is the study of how to use math to describe and investigate different points, lines and shapes. The way that a shape is described in geometry is with a formula, which is simply a mathematical way to calculate different...
University of Cambridge
University of Cambridge: Nrich: Instant Insanity
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.