Flip Counter
A brilliant counting tool which displays numbers up to 99.999. It is excellent for demonstrating 1 more or less, 10 more or less or 100 more or less. It is also useful as a place value tool and there is an optional decimal point.
Finding the Area of Compound Shapes
A good site on finding the area of a shape based on rectangles on a grid. Estimate first and then compare with the actual area of the shape. Good as an IWB demo tool for teaching how to apply the formula to compound shapes based on rectangles.
Equivalent Fractions Finder
Experiment visually with the values of equivalent fractions of a square or circle. The site lends itself well as a teaching tool on an interactive whiteboard.
Bingo Coordinates
This is bingo coordinates game with three different coordinate grids. The first has numbers and letters on the axes, the second has numbers on both axes and the third includes negative numbers on the x axis.
