Fall presents special opportunities for bringing math to life in meaningful ways, as our students observe and quantify changes in the world around them.
Leaf weight-loss plan:
Seeking a symmetrical leaf:
Collect a variety of leaves and compare them: Which one is the most symmetrical? Is any leaf perfectly symmetrical?
What's my size?
What's my line?
Place a leaf on graph paper and trace around it. Try to determine a method for estimating the length of the leaf's "perimeter." (If the outline were stretched out to become a straight line, how long would it be?)
Daily highs and lows
Rain, rain, go away!
From the spring equinox (around March 21) until the fall equinox (around September 22), day lasts longer than night. But from the fall equinox until next spring's equinox, night lasts longer than day. Your students can
Angle of the sun
Have your students noticed that the sun isn't right overhead at noon on a fall day? Your class can track changes in the sun's noon position over the course of a month or a season.