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Being Resourceful - Upper Primary Statistics
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?
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.