How could you put these three beads into bags? How many different ways can you do it? How could you record what you've done?
Have a go at this well-known challenge. Can you swap the frogs and toads in as few slides and jumps as possible?
Look at different ways of dividing things. What do they mean? How might you show them in a picture, with things, with numbers and symbols?
Andy had a big bag of marbles but unfortunately the bottom of it split and all the marbles spilled out. Use the information to find out how many there were in the bag originally.