Comparing and ordering numbers

Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?

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?

Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

How will you complete these interactive Venn diagrams?

Dotty Six is a simple dice game that you can adapt in many ways.

How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?