problem
Four Colours
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.
problem
Favourite
The Brown Family
Use the information about Sally and her brother to find out how many children there are in the Brown family.
problem
Favourite
The Tall Tower
As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?