Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Ilusiones Opticas
In Spanish. This unit will show you the existence of optical illusions. It will make you think about perception.
PBS
Pbs Mathline Lesson Plan: Mirror, Mirror [Pdf]
The goal of this PBS lesson is for students to apply spatial reasoning, problem solving, and critical thinking skills to assess which regular polygons will tessellate. A detailed lesson plan that includes related worksheets, lesson...
PBS
Pbs: Mathline: Tessellations Wow! [Pdf]
An integrated geometry lesson on spatial sense in which students identify and use different shapes to create a tessellation. "Through a variety of modalities such as writing, music, art, poetry, and literature, students are introduced to...
PBS
Pbs Mathline Lesson Plan: Sidewalk Capers [Pdf]
The objective of this lesson is for students to, "explore spatial relationships by determining the area of various shapes and creating tessellation patterns." Using a variety of hands-on activities, students apply concepts of geometry,...
Other
Link to Learning: Geometry and Spatial Sense
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Geometry and Spatial Sense expectations in the Ontario Math curriculum for Kindergarten to Grade 8.
Other
Link to Learning: Geometry and Spatial Sense
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Geometry and Spatial Sense expectations in the Ontario Math curriculum for Kindergarten to Grade 8.
Shodor Education Foundation
Shodor Interactivate: Triangle Explorer
This applet gives you practice finding the area of a triangle. Great place for students to "discover" how you find the area of a triangle. Directions are just a click away. [Requires Java.]
Success Link
Success Link: Flying Into Spring
Here are two lesson plans that apply geometric concepts to design objects. The first involves students as a group following step by step instructions on making a kite. After the review of geometry vocabulary, in cooperative groups the...
TeachEngineering
Teach Engineering: The Boxes Go Mobile
To display the results from the previous activity, each student designs and constructs a mobile that contains a duplicate of his or her original box, the new cube-shaped box of the same volume, the scraps that are left over from the...
Annenberg Foundation
Annenberg Learner: Teacher's Lab: Shape and Space in Geometry
Online activities are given to explore space and shape in geometry.
University of Cambridge
University of Cambridge: Nrich: Cubes Within Cubes
On this one page website sharpen your logic, geometry, spatial thinking, and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Triangles to Tetrahedra
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
University of Cambridge
University of Cambridge: Nrich: Net Cuts
In this enrichment game, the nets for nine solids are displayed. The twist is that each net has been cut into two pieces. The challenge is find the pieces that go together.
ABCya
Ab Cya: Halloween Activty: Pumpkin Matching
A game challenging students to match pumpkins by combining, categorizing, and visual spatial skills. Move quickly and make sure to keep the pumpkins from touching the sides.
National Council of Teachers of Mathematics
The Math Forum: What Is a Tessellation?
The Math Forum defines and illustrates geometric tessellation.
Cool Math
Coolmath: Coolmath4kids: Tessellations
Tessellations are explained and described at this website. Three basic rules are given for creating tessellations.
Other
Epsilones: Ilusiones Opticas Y Figures Imposibles
Observe many figures that look impossible to the eye and enjoy many of the optical illusions shown. [In Spanish]
Success Link
Success Link: Symmetry Activity
Use this lesson plan to assess students' understanding of symmetry and their ability to express that understanding both in writing and with paper.
Khan Academy
Khan Academy: Decompose Figures to Find Volume (Unit Cubes)
Find the volume of irregular 3D figures made up of unit cubes by dividing the figures into rectangular prisms and finding the volume of each part. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
ABCya
Ab Cya: Monsterland Challenge
Monsterland Challenge - Your goal is to help Junior wake up his dad! Remove objects so Junior falls on top him!
ABCya
Ab Cya: Monsterland 4
Monsterland 4: One More Junior - Help Junior wake up his dad again! There are many new levels and tricks to be learned in this puzzler.
ABCya
Ab Cya: Monsterland 3
Monsterland 3: Junior Returns - Senior is really getting tired! Help Junior to wake up his dad in over 20 levels of physics fun!
ABCya
Ab Cya: Monsterland 2
Junior is back in an all new physics-based puzzle! Help Junior wake up his dad by falling, sliding and crashing into him while he sleeps!
ABCya
Ab Cya: 10 X 10 Ice Cream Adventure
10 x 10 is a fun puzzle game for the whole family! Help Mr. Pebbles score points by dragging the ice cream into the grid to fill up vertical and horizontal lines. There are lots of tasty ice cream treats to help you along the way!