
Attribute Trains – Learn about shape and color patterns of by completing trains of blocks. 

Cob Web Plot – Change variables and observe patterns from this graphing simulation. 

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 threedimensional shapes. 

Golden Rectangle – Illustrates iterations of the Golden Section. 

Great Circle – Use a 3D globe to visualize and measure the shortest path between cities. 

How High? – Try your hand at the classic Piagetian conservation of volume test. 

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. 

Platonic Solids  Slicing – Discover shapes and relationships between slices of the platonic solids. 

Polyominoes – Build and compare characteristics of biominoes, triominoes, quadrominoes, etc. 

Pythagorean Theorem – Solve two puzzles that illustrate the proof of the Pythagorean Theorem. 

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 semiregular tessellations to tile the plane. 

Tight Weave – Visualize the creation of the Sierpinski Carpet, an iterative geometric pattern that resembles a woven mat. 

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. 