Comparing and ordering numbers

Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?

Complete these two jigsaws then put one on top of the other. What happens when you add the 'touching' numbers? What happens when you change the position of the jigsaws?

Can you each work out the number on your card? What do you notice? How could you sort the cards?

Can you form this 2010-digit number...

There are nasty versions of this dice game but we'll start with the nice ones...

How will you complete these interactive Venn diagrams?

Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?

If p is a positive integer and q is a negative integer, which of these expressions is the greatest?

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?

Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?