{"id":289,"date":"2013-05-09T09:40:53","date_gmt":"2013-05-09T09:40:53","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/?p=289"},"modified":"2013-05-09T09:40:53","modified_gmt":"2013-05-09T09:40:53","slug":"scratch-calculations","status":"publish","type":"post","link":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2013\/05\/09\/scratch-calculations\/","title":{"rendered":"Scratch Calculations"},"content":{"rendered":"<p>How can we work of the average height of a group of trees?<\/p>\n<p style=\"text-align: center\"><!--more--><a href=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2013\/05\/ScratchAvg.gif\"><img decoding=\"async\" data-attachment-id=\"290\" data-permalink=\"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2013\/05\/09\/scratch-calculations\/scratchavg\/\" 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