Find the five distinct digits N, R, I, C and H in the following nomogram
Can you work out the value of x in this 'power-full' equation?
A wooden cube with edges of length 12cm is cut into cubes with edges of length 1cm. What is the total length of the all the edges of these centimetre cubes?
What fractions can you find between the square roots of 65 and 67?
The problem is how did Archimedes calculate the lengths of the sides of the polygons which needed him to be able to calculate square roots?
Powers of numbers might look large, but which of these is the largest...
For how many integers n is the difference between √n and 9 less than 1?
From this sum of powers, can you find the sum of the indices?
However did we manage before calculators? Is there an efficient way to do a square root if you have to do the work yourself?
