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?
Can you use the information to find out which cards I have used?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Can you make arrange Cuisenaire rods so that they make a 'spiral' with right angles at the corners?
Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?