P6 / River Valley / 2019 / SA2 / Paper 2 – Q09 [3 marks]

Question:

Bernard stacked 9 cubes and glued them together to form the solid below.
(a) Draw the front view and top view of the solid on the grid below.
(b) What is the minimum number of cubes Bernard has to add to the solid to make it into a bigger cube?

Solution: