Texas Instruments TI-73 Teachers Manual page 16

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Number Sense
Activity — Part B
In this part, students discover the ratio of the average
height of a student to the average length of an intestine.
Have students perform the steps unless otherwise
indicated.
1. Measure height in centimeters or inches.
2. Enter the data in
a. Display the List editor.
3
b. If necessary, clear
$ to highlight
: b
c. Enter the heights in
item.
3. Find the average height on the Home screen using the
function.
mean
a. Return to the Home screen.
- l
b. Access the
- v " " [
c. Calculate the mean.
- v Z E b
4. Compare the average height to intestine length as a
ratio.
Wrap-up
Ask students: How many average students would it take
to make the length of an average intestine?
.
L
2
.
L
2
L
2
. Press b after each list
L
2
menu and select
MATH
Activity 3: How Do You Measure Up?
.
mean
© 1998 T
EXAS
11
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I
NSTRUMENTS
NCORPORATED

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