Solution

163339

Problem / game
First name
Ms Knott
School
Thomas Kensington
Age
0

My year 6 pupils think that the biggest one is 54312 because it has to be a multiple of both 3 and 4 ( to be a multiple of 12). So we put 5431 in that order then thought about what the other digit could be and only 2 in the units place works.