This past week, fourth grade has been busy studying angles. They took their search for angles outdoors where they were on the hunt for acute, right and obtuse angles. What could be a better hunting ground than sidewalks outside the lower school and gymnasium? We assigned students to color coded angle teams. Equipped with sidewalk chalk and a piece of paper for checking the veracity of a right angle, we headed out in search. Quickly, it was discovered that nothing seemed what it looked like. Students were quick to discern degrees of difference between right and obtuse angles. They decided on a key that would allow pedestrians to make sense of their findings. One revelation they all came away with was that if an angle is obtuse on one side on a straight line it had to be acute on the opposite side. Quickly our campus sidewalks became a walking math puzzle waiting to be solved by passersby.
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