A great resource for showing children angles inside a triangle. Move the corners to see how the angles change for different types of triangles.
http://ictmagic.wikispaces.com/Maths
Experience Geometry on your desktop and on the web
Easily create startling geometric constructions! Starting from simple triangle relations, continuing with trigonometric theorems up to fractals and transformation groups Cinderella lets you create and manipulate visualizations in an intuitive, yet powerful way. Using Java® technologies, constructions are seamlessly exported to the WWW. And even better: you can get this for free!
Microsoft Mathematics 4.0, for students in middle school, high school, and early college, shows how to solve equations while bolstering understanding of fundamental math concepts.
It features built-in Ink Handwriting Support, which lets you hand-write math problems and equations in a worksheet area on a tablet or ultra-mobile PCs for immediate solving or later work. The software also includes a graphing calculator capable of plotting in 2D and 3D, a movie editor, a library of formulas and equations, a triangle solver, and more.
This multimedia resource includes interactive math activities, print activities, learning strategies, and videos that illustrate how math is used in everyday life. The resource addresses the following mathematics topics: Fractions; Integers; Percentages; Rate/Ratio/Proportion; Square Roots; Exponents; Patterns; Algebra; Linear Equations; Polynomials; Angles; Circles; Surface Area and Volume; Area and Perimeter; Triangles; Pythagoras; Trigonometry; Similarity and Congruence; Transformations; Shape Classification; Data Display and Graphs; Central Tendency and Distribution; and Probability.
A great general maths site with lots of tutorials, activities and games which will help your students at school and at home.
http://ictmagic.wikispaces.com/Maths