180 Days of Ideas for Discussion in Math Class.
(as of 9July2014, we're in overtime!)
No. Next question.
Give them a protractor and say estimate to the nearest 5 degrees. Yes.
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.htmlOne 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.