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
A fun and useful area and perimeter 2D shape tutorial and interactive activities for you whiteboard. Learn how to find the area and perimeter of rectangles and triangles and then complete the questions.
http://ictmagic.wikispaces.com/Maths