"Shorter and Longer"
Students develop language to describe and compare lengths. They compare lengths directly. In addition, they measure and compare lengths using non-standard units and put objects in order according to their lengths.
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Resolving 2-Plane Traffic Conflicts by Changing Route—Problem Set B
Do pilots create appropriate spacing between aircraft by traveling a longer or shorter path? An interactive presents two airplanes that violate safety protocols. Pupils must determine how to change the path of one plane to create the...
5th - 9th Math