Khan Academy
Khan Academy: Cross Sections of 3 D Objects
Practice your knowledge of all possible cross-sections of common 3D objects. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Nets of Polyhedra
Practice matching 2D nets to the 3D shapes the fold up into. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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...
National Council of Teachers of Mathematics
The Math Forum: The Cylinder Problem: Middle School Lesson
This lesson offers an interesting, hands-on experience for middle school students studying cylinders. Students will create cylinders, and measure and compare their volumes.
![Arts Now Learning: Self Portraits With the Touch of a Finger [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Arts Now Learning: Self Portraits With the Touch of a Finger [Pdf] Lesson Plan")
ArtsNow
Arts Now Learning: Self Portraits With the Touch of a Finger [Pdf]
In this lesson, students will explore self-portraiture by looking at classical portrait paintings, such as Diego Velazquez's La Infanta Margarita or Raphael's Portrait of Baldassare Castiglione. A close look at these works reveals...
CK-12 Foundation
Ck 12: Elem Math: Identifying and Naming 3 D Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying and naming three dimensional figures.
Purple Math
Purplemath: Geometry Word Problems: Introduction
Introduces how to set up and solve simple geometric-figure word problems. Includes advice regarding formulas to memorize.
ClassFlow
Class Flow: Geometry Solid Figures
[Free Registration/Login Required] This flipchart discusses plane figures and solid figures.
PBS
Pbs: Mathline: Let's Face It [Pdf]
Check out this math project about polyhedra! Students will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]
National Council of Teachers of Mathematics
Nctm: Illuminations: Volume of a Cube
"The volume of a cube can be developed by considering unit cubes, a single row (longs) of unit cubes or a single layer (flats) of cubes using this applet." This easy software makes it possible to easily construct a cube and take it...
Cuemath
Cuemath: Polyhedron
Introduces the concept of polyhedrons by learning the definition, types, and where they are found. Check-out the solved examples for better understanding and try your hand at solving a few interactive questions at the end of the page.
Cuemath
Cuemath: Square Pyramid
A comprehensive guide for learning all about square pyramids with definitions, properties, examples, and practice questions.
Cuemath
Cuemath: Sphere
A comprehensive guide for learning all about spheres with definitions, properties, examples, and practice questions.
Khan Academy
Khan Academy: Find Surface Area by Adding Areas of Faces
Determine the expression that finds surface area of a 3D shape by adding the area of each face. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Volume and Surface Area Word Problems
Solve word problems involving volume and surface area involving 3D shapes, including composite figures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Bright Hub Education: Two Dimensional Art Activities
You don't have to be a trained artist to create beautiful two and three-dimensional art projects with your preschoolers. Many simple activities, such as painting and coloring, can be modified to include sensory elements to increase...
Math Is Fun
Math Is Fun: Animated Polyhedron Models
Use this tool to see animated models of over 100 different types of polyhedra. There are five options for how they appear, and you can also see the net, 'explode' the solid so that the faces are separated, or drag it to rotate it...
CK-12 Foundation
Ck 12: Cross Sections and Nets: Cereal Box Grid
[Free Registration/Login Required] Students will explore cross sections and nets of three dimensional objects. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Volume of Cylinder: Big Can of Soup
[Free Registration/Login Required] Students determine the volume of a cylinder by moving the points on the can of soup. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Spheres: Surface Area of a Sports Ball
[Free Registration/Login Required] Students can adjust the points on a sports ball to determine the surface area and volume. Click challenge me to answer practice questions and click learn more to watch a video.
PBS
Pbs Learning Media: Patterns in Nature
In this video segment [3:25] from Cyberchase, a plant expert shows Bianca the patterns and symmetry found in nature.
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