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PatchTool
Geometry

Patch Tool

Pre-K-2, 3-5
Use this tool to design a pattern using geometric shapes.
ShapeTool
Geometry

Shape Tool

Pre-K-2, 3-5, 6-8
This tool allows you to create any geometric shape imaginable. Squares, triangles, rhombi, trapezoids and hexagons can be created, colored, enlarged, shrunk, rotated, reflected, sliced, and glued together.
TrigonometricGraphing
Algebra

Trigonometric Graphing

9-12
Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions.
AGeometricInvestigation
Algebra

A Geometric Investigation of (a + b)2

9-12
This interactive demonstrates why (a + b)2 = a2 +2ab + b2.
Cubes ICON
Measurement

Cubes

3-5
Use this applet to determine the volume of a box by filling it with cubes, rows of cubes, or layers of cubes. Determine the surface area as well by using the box's net.
FactorGame
Number and Operations

Factor Game

3-5, 6-8
Exercise your factoring ability against a human or the computer in this Calculation Nation game.
FractionGame
Number and Operations

Fraction Game

3-5, 6-8
This applet allows students to individually practice working with relationships among fractions and ways of combining fractions.
IGDDroppingAPerpendicular
Geometry

IGD: Dropping a Perpendicular Line

9-12
Use this applet to show how to drop a perpendicular from a point onto a line.
AreaOfTrapezoids
Geometry

Area of Trapezoids

6-8
Investigate how changes in the base and height of a trapezoid affect its area.
AreaOfParallelograms
Geometry

Area of Parallelograms

6-8
This applet shows the relationship between the area of a parallelogram and the lengths of its sides.