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Using the TI-73: A Guide for Teachers

Geometry

Wrap-up

Have students compare their team’s picture graph with another team’s picture. Have them discuss with their partner and the other team whether or not the graphs are exactly alike and why or why not.

Assessment Suggestions

♦Ask: What was represented by the numbers in L1 and

L2?

♦Have students write a journal entry explaining what they learned.

Extensions

♦Have students draw their own picture and label the ordered pairs. Have them graph the drawings.

♦Have students change the appearance of the dolphin without changing the data in the lists.

♦Have students explore what happens if they reverse the x- and y-coordinates. (Change which list is the Xlist and which is the Ylist in the Stat Plot setup.)

♦If students want to store their picture to recall at another time,

1.Turn off the axes.

- g # # " to AxesOff b

2.Access the DRAW STO menu and select StorePic.

2 "" b

➪Students can press ) and then "to view the

coordinates of each point of their picture.

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