These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
Greg made excellent progress on this problem by working systematically.
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.