Find a cuboid (with edges of integer values) that has a surface area of exactly 100 square units. Is there more than one? Can you find them all?
Discover a way to sum square numbers by building cuboids from small cubes
Find a cuboid (with edges of integer values) that has a surface area of exactly 100 square units. Is there more than one? Can you find them all?
Discover a way to sum square numbers by building cuboids from small cubes. Can you picture how the sequence will grow?
A and B are two interlocking cogwheels having p teeth and q teeth respectively. One tooth on B is painted red. Find the values of p and q for which the red tooth on B contacts every gap on the....
Have a go at this 3D extension to the Pebbles problem.
Rectangles are considered different if they vary in size or have different locations. How many different rectangles can be drawn on a chessboard?
Charlie and Alison have been drawing patterns on coordinate grids. Can you picture where the patterns lead?
Watch the