It's a fairly standard primary school question, but only in some nations. We posed the question slightly differently, our diagram providing an important hint to bring it to a more manageable level for younger problem solvers: http://fivetriangles.blogspot.com/2014/04/155-three-angle-sum.html
One irresponsible thing we wouldn't do, though, is create a YouTube video of a single solution, which implies that that method is the "correct" way to go about solving the problem.
No. Next question.
ReplyDeleteGive them a protractor and say estimate to the nearest 5 degrees. Yes.
ReplyDeleteIt's a fairly standard primary school question, but only in some nations. We posed the question slightly differently, our diagram providing an important hint to bring it to a more manageable level for younger problem solvers: http://fivetriangles.blogspot.com/2014/04/155-three-angle-sum.html
ReplyDeleteOne irresponsible thing we wouldn't do, though, is create a YouTube video of a single solution, which implies that that method is the "correct" way to go about solving the problem.
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ReplyDelete90°
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