A nice flash whiteboard resource where users are given a multiplication question to answer by dragging along a numberline.
http://ictmagic.wikispaces.com/maths
A great whiteboard game for teaching about number lines, decimals and place value. Work out what the number is along the number line.
http://ictmagic.wikispaces.com/Maths
Create a number line worksheet using whole and decimal numbers.
Note that only the answer screen is shown on the screen, but when you print you will get both the question and answer sheets.
http://ictmagic.wikispaces.com/Maths