Geometry (Grades 3 - 5)

Virtual manipulatives related to the NCTM Geometry standard for grades 3 - 5.

	Attribute Blocks – Learn color and shape concepts by sorting blocks.
	Attribute Trains – Learn about shape and color patterns of by completing trains of blocks.
	Congruent Triangles – Build similar triangles by combining sides and angles.
	Fractals - Iterative – Generate six different fractals.
	Fractals - Koch and Sierpinski – Change colors and pause this fractal simulation at any point.
	Fractals - Mandelbrot and Julia Sets – Investigate relationships between these two fractal sets.
	Fractals - Polygonal – Change the parameters to create a new fractal.
	Geoboard – Use geoboards to illustrate area, perimeter, and rational number concepts.
	Geoboard - Circular – Use circular geoboards to illustrate angles and degrees.
	Geoboard - Coordinate – Rectangular geoboard with x and y coordinates.
	Geoboard - Isometric – Use geoboard to illustrate three-dimensional shapes.
	Golden Rectangle – Illustrates iterations of the Golden Section.
	Ladybug Leaf – Program a ladybug to hide behind a leaf.
	Ladybug Mazes – Program a ladybug to move through a maze.
	Pattern Blocks – Use six common geometric shapes to build patterns and solve problems.
	Pentominoes – Use the 12 pentomino combinations to solve problems.
	Platonic Solids – Identify characteristics of the Platonic Solids.
	Platonic Solids - Duals – Identify the duals of the platonic solids.
	Space Blocks – Create and discover patterns using three dimensional blocks.
	Tangrams – Use all seven Chinese puzzle pieces to make shapes and solve problems.
	Tessellations – Using regular and semi-regular tessellations to tile the plane.
	Transformations - Composition – Explore the effect of applying a composition of translation, rotation, and reflection transformations to objects.
	Transformations - Dilation – Dynamically interact with and see the result of a dilation transformation.
	Transformations - Reflection – Dynamically interact with and see the result of a reflection transformation.
	Transformations - Rotation – Dynamically interact with and see the result of a rotation transformation.
	Transformations - Translation – Dynamically interact with and see the result of a translation transformation.
	Triominoes – Manipulate the puzzle pieces and find multiple solutions.
	Turtle Geometry – Explore numbers, shapes, and logic by programming a turtle to move.