Page 36 - THE MATHMATE November 2024
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twenty of the same items. At the end of the walk,      steps  you  will  take  to  walk  across.  Write  down
          examine  your  data,  graph  it  in  a  bar  graph  or   your estimate before you walk across and stop at
          pictograph,  and  then  calculate  the  percent  of    Post 1.
          each type of item found, and then use the data
          and percentages to create a circle graph. At the       Compare your estimate with the number of steps
          end of the trail walk, be sure to write down other     you  took.  Remember  your  estimated  number  –
          ideas for using your data.                             you will use it later!












                                                                 Math Activity #5
          Math Activity #2                                       As you walk along the trail to Post 2, notice the
          Begin  the  Math  Trail  at  the  Education  Center    symmetry in the leaves and plants. Symmetry is
          (bathhouse).  Look  closely  at  the  steps  going     when  two  halves  of  something  are  the  same.
          down to Lake Placid. If you have a partner, take       Think of a butterfly, a heart shape. These shapes
          turns walking down the steps, with ONE of you          have  symmetry.  What  do  you  see  that  has
          placing your hand on the head or shoulder of the       symmetry?
          person  in  front  of  you.  Notice  which  steps  feel
          different as your partner walks down them. Then,       Math Activity #6
          step down behind them. Discuss why the steps           Stop at Post 2. Notice the different patterns in the
          feel different.                                        bark of the trees. Can you identify the trees by
                                                                 name?  Identify  trees  that  are  the  same kind  of
          Math Activity #3                                       tree by the bark. How else can you identify the
          Trade  places  with  your  partner  and  repeat  the   same species of tree?
          activity. If you are alone, if you have one, use a
          yardstick.  Without  a  yardstick  determine  some     Math Activity #7
          other type of measure to find differences in the       As  you  walk  along  the  trail,  look  across  Lake
          step heights and treads. Find a straight stick and     Placid at the dock. Estimate how far it is across
          lay it from one step to another. As you move it,       the  lake.  What  strategies  could  you  use  to
          notice  the  difference  of  the  “steepness”  of  the   determine the actual distance? Discuss them with
          stick  on  the  different  steps.  This  is  called  the   a partner or group. Continue recording items you
          slope. Which slope makes the most comfortable          find on the trail.
          when stepping down the stairs?
                                                                 Math Activity #8
          Math Activity #4                                       After passing Post 3, walk about 20-30 paces and
          Turn to the left at the bottom of the steps. Walk      you will come to a place where there are fallen
          along the lake until you come to the footbridge.       trees on the side of the trail near the lake. You can
          Before crossing the bridge, estimate how many          explore    the   relationship   (ratio)   of   the


           Scctm The MathMate                               36                 Volume 44/Number 1 October 2024
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