problem How many Rectangles? Age 11 to 14 Challenge level By drawing 5 horizontal and four vertical lines, one can form 12 rectangles. What is the greatest number of rectangles that can be formed by drawing 15 lines?
problem Growing Surprises Age 11 to 14 Challenge level Can you find the connections between linear and quadratic patterns?
problem Square Number Surprises Age 14 to 16 Challenge level There are unexpected discoveries to be made about square numbers...
problem Fibonacci Surprises Age 11 to 14 Challenge level Play around with the Fibonacci sequence and discover some surprising results!
problem Beach Huts Age 11 to 14 Challenge level Can you figure out how sequences of beach huts are generated?
problem Difference of Two Squares Age 14 to 16 Challenge level What is special about the difference between squares of numbers adjacent to multiples of three?
problem Forwards Add Backwards Age 11 to 14 Challenge level What happens when you add a three digit number to its reverse?
problem Add to 200 Age 11 to 14 Challenge level By selecting digits for an addition grid, what targets can you make?
problem Reasoned Rounding Age 7 to 14 Challenge level Four strategy dice games to consolidate pupils' understanding of rounding.
problem Going to the cinema Age 11 to 16 A cinema has 100 seats. Is it possible to fill every seat and take exactly £100?