Work out the answers to each question below and fill in the boxes. Once you have filled in all the answers, click
on the button to find out which
questions you have answered correctly. If you have answered
all the questions correctly, then
will appear and you should move on to the next question.
Otherwise either or
will appear, depending on how many mistakes you made.
Try correcting your answers, then click to
check whether your new answers are correct. You can check
your answers as many times as you want. If you can't work out the right answers then
click on to get some help.
To view the help pages you will need Adobe Acrobat Reader  click here to find out more about Acrobat Reader.

Study the numbers in the set below:
to the pencils. To remove a link which you already made, click on one of the circles at the ends of the link.





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Produced by A.J. Reynolds September 2004