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Resources tagged with Stage 5 - Reviewed 2012 similar to Impossible Sandwiches:

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Challenge level: Challenge Level:1 Challenge Level:2 Challenge Level:3

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Broad Topics > sfh10 > Stage 5 - Reviewed 2012

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Upsetting Pitagoras

Stage: 4 and 5 Challenge Level: Challenge Level:2 Challenge Level:2

Find the smallest integer solution to the equation 1/x^2 + 1/y^2 = 1/z^2

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Plum Tree

Stage: 4 and 5 Challenge Level: Challenge Level:1

Label this plum tree graph to make it totally magic!

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Magic Caterpillars

Stage: 4 and 5 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Label the joints and legs of these graph theory caterpillars so that the vertex sums are all equal.