Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?
Sort the houses in my street into different groups. Can you do it in any other ways?
Nine squares are fitted together to form a rectangle. Can you find its dimensions?
How many hexagons are required for the perimeter of the whole shape to have length 1002cm?
The planet Zog has both green and blue bank notes. Can you work out how many zogs two green and three blue bank notes are worth?
Weekly Problem 52 - 2017
Sue cuts some squares from a piece of paper to make a Christmas decoration. What is the perimeter of the resulting shape?
Find out about the lottery that is played in a far-away land. What is the chance of winning?
