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The 1st and 2nd grade students made boomerangs as part of their study of the continent of Australia. To make the boomerangs, the kids cut their designs from folded paper, so that when open it made the complete symmetrical shape. They traced the design on wood, so I could cut it out with the scroll saw. Next, they sanded the edges and we went out for test flights. Finally, the boomerangs became an art project through the use of colored markers.
Both of these projects involve development of spatial sense. In making rockets, the children plan how things will look and then have the challenge of making things do what they have imagined. Not always as easy as one might think. In making the boomerangs, the use of folded paper to form a symmetrical shape is also a tool that is specifically useful in the development of spatial sense. Just as in algebra, one side equals the other.
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