problem
It's a tie
Age
7 to 11
Challenge level
Kaia is sure that her father has worn a particular tie twice a week in at least five of the last ten weeks, but her father disagrees. Who do you think is right?
problem
Same or different?
Age
7 to 11
Challenge level
Anna and Becky put one purple cube and two yellow cubes into a bag to play a game. Is the game fair? Explain your answer.