If you notice that the first term is a perfect square, and the second term is a perfect square, and you have a negative here, we can say that it is "the difference of two squares." What we want to do ...

The number 9 can be written as a difference of two squares as 3 2 – 0 2 = 9 – 0 = 9. Can you find a different way to express it as the difference of two squares? Which numbers between 1 and 30 can be ...

This lively journal is produced five times per year and includes contributions from mathematics practitioners. It reflects the best of current thinking and practice. In addition to articles covering ...