When were you last curious? What was it that provoked your curiosity? What compelled you to explore further?
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problem
Number sandwiches
Age
7 to 14
Challenge level
Can you arrange the digits 1, 1, 2, 2, 3 and 3 to make a Number Sandwich?
problem
More number sandwiches
Age
11 to 16
Challenge level
When is it impossible to make number sandwiches?
problem
Shogi shapes
Age
11 to 14
Challenge level
Shogi tiles can form interesting shapes and patterns... I wonder whether they fit together to make a ring?
problem
Robotic rotations
Age
11 to 16
Challenge level
How did the the rotation robot make these patterns?
problem
Nine colours
Age
11 to 16
Challenge level
Can you use small coloured cubes to make a 3 by 3 by 3 cube so that each face of the bigger cube contains one of each colour?