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Can you make five differently sized squares from the interactive tangram pieces?

Baked Bean Cans

Is there a best way to stack cans? What do different supermarkets do? How high can you safely stack the cans?

Three Squares

What is the greatest number of squares you can make by overlapping three squares?

Six to Four

Age 5 to 7
Challenge Level

Thank you to everyone who sent in solutions for this one.
Charlotte , Natasha , Abbie , Adiva and Kristina (Moorgate CP School)
Harriette, Holly and Ellie (The Mount School, York)
Luke (Tattingstone School)
Christina (Marlborough Primary School)

Only the two very best solutions are shown below. They are best because they use all the match- sticks in the triangles and there are exactly four triangles (and only four triangles) in each.

Helen, Lydia and Antonia (The Mount School York)

Marion (Moorgate Primary School) and Daniel (Anglo-Chinese School, Singapore) who did this drawing.