This 455-page guide outlines and illustrates effective strategies for teaching geometry and related spatial concepts to children in kindergarten through grade 3.

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.

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.

Students work in groups to investigate weather and estimating cloud cover. The activity explores estimation, spatial sense, fractions, and patterns. The resource consists of a lesson plan, group activity instructions, lesson overview,...

Accompanied by links to online activities and demonstrations, students learn about the different types of transformations on a coordinate grid through this lesson plan. The lesson is designed to match the Grade 7 Ontario curriculum, with...

An excellent compilation of activities that engage parents and children in math explorations at home. Detailed lessons covering a wide range of math topics such as fractions, measurements, money, data collection, and math in newspapers....

The Math Forum defines and illustrates geometric tessellation.

The animals need help! In this week's Afterschool Adventure, children will take the role of Animal Assistants and use their spatial skills to help save the day. Each section of this weeklong adventure is introduced by a video clip or...

Build the castles that the waves have crashed down by putting shapes in the right spot. Games focuses on geometry and spatial sense.

Explore the literature connections, online activity, pencil and paper activity, and the manipulative investigation of patterns and geometric shapes on this page!

Sharpen your logic and spatial sense skills while working on this challenge. Solution included.

An integrated geometry instructional activity 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...

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.

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,...

Join Otto at the Phantasia construction site. Will you help him build a new playground?

Meet Calypso the fish and go to the underwater world to learn more about position on maps.

Help Gina locate items in the tea store using coordinates, a compass, and a ruler in this series of leveled exercises.

A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities. One may want to cut out the pieces to solve the problem as a puzzle.

A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities.

A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities.

Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.

Calling all Shape Detectives! In this weeklong adventure, the children will explore and search for basic shapes as they go on a shape hunt. They will describe, match, sort and compose a variety of two-dimensional shapes, and create a...

A ten-question test for assessing geometry concepts with solid figures. This assessment is scored online providing students with immediate feedback. Great for use as an assessment tool.

This one page Mathworld site has a number of examples of semiregular tessellations. A definition and a small amount of related information is given at the bottom of the page.