The document contains 5 math word problems, each with a different topic: 1) A rectangle is transformed into a square of equal area with two cuts. 2) The ratio of the shaded area to total area is determined for a pentagon made of right triangles and a square. 3) The number of white cubes in a large cube made of black and white unit cubes is calculated. 4) The product of numbers in each quarter of a circle (a x b x c) is determined. 5) A multiplication is reconstructed so that each prime digit appears exactly twice.