Simply 'having a go' is a great way to make a start on a problem. When you do have a go, if it works out well that's fine, but what happens if it doesn't work out so well? Do you start again from scratch or is there a way to use what you've already done to help? Have a go at these tasks which might be solved using this 'trial and improvement' way of working.
Kate has eight multilink cubes. She has two red ones, two yellow, two green and two blue. She wants to fit them together to make a cube so that each colour shows on each face just once.
Use the information about Sally and her brother to find out how many children there are in the Brown family.
As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?