Mathematics - 3rd Grade

• Figures and Polygons
  This website offers picture examples and written definitions of different polygons and terms.
• Jigsaw Puzzle
  So you think you're good at jigsaw puzzles? Use fractions and scale to place the puzzle pieces.
• Math Cats Tessellation Town
  Students manipulate interactive shapes to help learn about and develop tessallations.
• National Library of Virtual Manipulatives:Geometry
  Virtual manipulatives related to the NCTM Geometry standard for grades 3 - 5.
• PBS Kids Symmetrizer
  Explore symmetry with an cool, online Kaleidoscope.
• Puzzle Parlor
  Twelve interactive online games from the puzzle makers at Kadon Enterprises, Inc. designed to give students practice with problem solving skills using mathematical and spatial sense intelligence.
• Reflection Symmetry
  This website demonstrates reflection symmetry with animated folding of different shapes. Students identify and draw lines of symmetry on triangles, squares, circles, and rectangles.
• Shapes and Poetry
  At the conclusion of this lesson students will recognize geometric figures, draw and describe geometric figures, and interpret positional words.
• Spaceship Builder
  Create a fleet of Cyberspaceships using your area and perimeter knowledge.
• Tangram Game
  Tangram is an ancient game that originated in China. Try to create the shape shown using all 7 pieces provided.
• Visualizing Transformations
  The interactive figures in this four-part example allow a user to manipulate a shape and observe its behavior under a particular transformation or composition of transformations.