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1001 Math Problems
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Keyhole problem
Three shapes constructed from cubes are presented. The challenge is to find the smallest ‘keyhole’ that the blocks will fit through, provided ‘turning’ is not allowed. This resource is suitable for Key Stage 3 and could be used as an extension to the topic of 2D representations of 3D shapes.
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Keyhole problem (activity sheet) 971.38 KB
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Keyhole problem (answer sheet) 237.66 KB
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Keyhole problem (activity sheet) 971.38 KB -
Keyhole problem (answer sheet) 237.66 KB
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