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LESSON 7
7: E
7: E
XAMINING
XAMINING
S
S
LOPE
LOPE
AS
AS
A
A
R
R
ATE
ATE
OF
OF
C
C
HANGE
HANGE
47
Am usement Par k Ex perienc e
Whole Class
13. Ask each group to review their findings and report back to the whole class. Ask them to consider
what may account for variations (if any), in the measurements of different groups.
ACTIVITY 2: EXAMINING THE SLOPES
PROCESS
Whole Class
As students complete this activity, they will graph the data that they collected earlier and then
mathematically determine the slope of the lines that result from their data points. When they have
completed this exercise they will readily see that the computed slopes are actually similar to, if not
equal to, the speeds they have computed for the horses.
During the framing of the activity, it is suggested that students know only that they are going to graph
two lines and analyze those graphs mathematically to determine if the lines on the graphs provide them
with more information than they originally thought.
Number of Rotations
Distance
Traveled Inner
0
1
2
3
4
5
Horses on the Inner Circle
Time for Number
of Rotations
Average Speed
for Number
o
f Rotations
Number of Rotations
Distance
Traveled Outer
0
1
2
3
4
5
Horses on the Outer Circle
Time for Number
of Rotations
Average Speed
for Number
of Rotations
49


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