Texas Instruments TI-73VSC Teachers Guide - Page 57

Wrap-up, Assessment Suggestions, Extension

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52 Using the TI-73: A Guide for Teachers Measurement 9. Before graphing, set up the viewing window for each TI-73 ('). • Xmin will be 0. • Xmax will be the height of the ramp straight up plus 5 (so you can see the full graph). • Ymin will be 0. • Ymax will be the longest distance a car traveled plus 5. Á The Xmax and Ymax values shown here are just examples. For more information, see "Setting the Window Format" and "Defining Window Values" in the Function Graphing chapter of the TI-73 Guidebook . 10. Display the graph and discuss the data. Have students compare this graph to the graph they made on their activity sheets. * ) $ and # to view data Wrap-up ♦ Combine class data and calculate the mean for each height using an overhead calculator. Do this on the Home screen of the TI-73 using traditional methods. ♦ Graph the class data on the overhead and compare the class graph to the individual group graphs. Assessment Suggestions Discuss as a class or have students write in their journals: What is similar in all the graphs? Are there differences? What could have caused these differences? Would a shorter or longer ramp affect the data? Would a smaller or larger car affect the data? How? Extension Test the affect of varying the ramp length, car size or weight, or floor. © 1998 TEXAS INSTRUMENTS INCORPORATED

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52
Using the TI-73: A Guide
for Teachers
Measurement
© 1998 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
9.
Before graphing, set up the viewing window for each
TI-73 (
'
).
•
Xmin
will be 0.
•
Xmax
will be the height of the ramp straight up plus
5 (so you can see the full graph).
•
Ymin
will be 0.
•
Ymax
will be the longest distance a car traveled
plus 5.
For more information, see “Setting the Window
Format” and “Defining Window Values” in the
Function Graphing chapter of the
TI-73 Guidebook
±
.
The
Xmax
and
Ymax
values
shown here are
just
examples.
10. Display the graph and discuss the data. Have students
compare this graph to the graph they made on their
activity sheets.
*
)
$
and
#
to view data
Wrap-up
♦
Combine class data and calculate the mean for each
height using an overhead calculator. Do this on the
Home screen of the TI-73 using traditional methods.
♦
Graph the class data on the overhead and compare the
class graph to the individual group graphs.
Assessment Suggestions
Discuss as a class or have students write in their journals:
What is similar in all the graphs?
Are there differences? What could have caused these
differences?
Would a shorter or longer ramp affect the data?
Would a smaller or larger car affect the data? How?
Extension
Test the affect of varying the ramp length, car size or
weight, or floor.