Exploring and noticing

How have "Warmsnug" arrived at the prices shown on their windows? Which window has been given an incorrect price?

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?

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

You are organising a school trip and you need to write a letter to parents to let them know about the day. Use the cards to gather all the information you need.

Create some shapes by combining two or more rectangles. What can you say about the areas and perimeters of the shapes you can make?

Use the 'double-3 down' dominoes to make a square so that each side has eight dots.

Find the next two dominoes in these sequences.

Many numbers can be expressed as the difference of two perfect squares. What do you notice about the numbers you CANNOT make?