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PBS
Pbs Parents: Early Math
Help nurture the development of early math skills -- from infant to grade 2. Site provide information about math literacy and developmental stages. For each age range, you will find several online games and printable activities for core...
George Mason University
Handmade Manipulative Instructions
At this personal site, you will find pages of math manipulatives and different types of graphing paper to print out and use in your classroom.
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.
University of Cambridge
University of Cambridge: Nrich: Three Squares
Students can sharpen their logic and spatial relationship skills while working on this challenge on this one page website. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Star Find
This one page website offers two interesting tiling problems. The solution is provided here as well.
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.
National Council of Teachers of Mathematics
Nctm: Figure This: Envelopes
Explore tessellations with real world applications in this activity from the NCTM Math Challenges for Families series. Figure out what shape you would use to create a legal envelope from a single sheet of paper. Then discover how...
Curated OER
The Fabric of Moroccan Life Find the Design
The designs found in Moroccan weaving and textiles often come from things of everyday life or from basic geometric shapes. Given on this site are seven examples of common designs for you to explore and enjoy.
Scholastic
Scholastic: I Spy
These interactive matching games for elementary age students combine visuals of familiar objects and rhyming riddles to create brain-teasing puzzles.
University of Cambridge
University of Cambridge: Nrich: Christmas Presents
Improve your logic and net recognition skills with this learning game. Solution included.
University of Cambridge
University of Cambridge: Nrich: Making Boxes
Have fun and learn by making a box and then find out its maximum volume as well as other problem-solving activities, including making a table of your results and drawing a graph.
National Gallery of Art
National Gallery of Art: The Art Zone
Ten interactive activities that allow you to use the computer to create and manipulate works of art.