This is a superb maths number line resource. Choose the scale and then run calculations of counting on and counting back.
http://ictmagic.wikispaces.com/Maths
This is a great set of flash maths resources for your whiteboard. Topics include an interactive number square, fraction bars and a set of algebra scales.
http://ictmagic.wikispaces.com/Maths
"A maths website with a vast number of maths videos and resource to use in your classroom. Topics include counting, addition, subtraction, multiplication, division and many more."
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
Are your students fed up with sharks eating their boats? Make sure it doesn't happen again with this shark themed place value maths game. Set the ability level and choose the correct answer from three options.
http://ictmagic.wikispaces.com/Maths