What is the smallest number of answers you need to reveal in order
to work out the missing headers?
Mathematicians are always looking for efficient methods for solving problems. How efficient can you be?
Who said that adding, subtracting, multiplying and dividing
couldn't be fun?
Investigate how you can work out what day of the week your birthday will be on next year, and the year after...
Here's a chance to work with large numbers...
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.