Texas Mathematics Teacher Fall/Winter 2020 - 28

Math with Antlers
Figure 3 shows a student measuring the linear distance
between points on the left antler and right antler. This
measurement determines the spread of the antler, and
students are asked to determine the "Tip to Tip Spread,"
Greatest Spread," and "Inside Spread of Main Beams."
The length of the main beam for each side of the antler are
also measured as seen in Figure 4. Figure 5 shows how
students measured the lengths of each point on the antlers
before measuring the changing circumference of the deer
antlers (see Figure 6) as students measure between points
on the antlers. This provides the opportunity to discuss
the meaning of circumference. This activity also connects
the measurements of linear and curved distances to a
real-world task that results in students recording mixed
numbers they must then add and subtract.

Figure 5: The length of a point on a deer
antler is a linear distance.

Figure 3: The spread of deer antlers is determined by measuring linear distance.

Figure 6: The circumference of deer antlers is
a curved distance.

"Students begin to see the

relationship between fractions
and learn how one fraction can be
equivalent to another.

"

Figure 4: The length of the main beam of a
deer antler is a curved distance.
28

| Fall/Winter 2020

Texas Mathematics Teacher



Texas Mathematics Teacher Fall/Winter 2020

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http://www.brightcopy.net/allen/txmt/66-02
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http://www.brightcopy.net/allen/txmt/65-02
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http://www.brightcopy.net/allen/txmt/64-02
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