Noah, stacking the reels, provided with your lots of opportunities to problem solve as you tried to get each reel to balance on the next. You found it easy to stack the first three reels on top of each other. After you had three stacked on top of each other, the next two were a bit trickier. You found if you held them, they stayed upright, but when you let go they crashed to the ground. Rolling the reels down the pūranga gave you opportunities to explore velocity, momentum, and displacement. For example, You discovered that the velocity of the reel was dictated by the direction you rolled it from. Certain points of the mound produced greater speeds when rolled in a straight line. The momentum of the reel was dictated by the amount of
