Open the Sam the Butterfly Starter File starter file and click “Run”. (Hi, Sam!) Move Sam around the screen using the arrow keys.
1 What do you Notice about the program?
2 What do you Wonder?
3 What do you see when Sam is at (0,0)? Why is that?
4 What changes as the butterfly moves left and right?
5 Sam is in a 640 × 480 yard. Sam’s mom wants Sam to stay in sight… How far to the left and right can Sam go and still remain visible?
6 Write an inequality to complete each of the following statements: |
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Sam hasn’t gone off the left edge of the screen as long as… |
Sam hasn’t gone off the right edge of the screen as long as… |
7 Draw the Circle of Evaluation for each inequality you wrote above. |
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8 Translate each of the Circles of Evaluation into code. |
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code: |
code: |
These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, 1738598, 2031479, and 1501927). 
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