Yasmin and Zach have some bears to share. Which numbers of bears can they share so that there are none left over?
There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?
What is the least number of moves you can take to rearrange the bears so that no bear is next to a bear of the same colour?