Page 66 - Learn To Program With Scratch

Problems

1. Explain how the following script works. Write the (x,y) coordinates for
all corners of the figure.

2. Write a script to connect each of the following sets of points in order
and reveal the final shape:
a. (30,20), (80,20), (80,30), (90,30), (90,80), (80,80), (80,90),
(30,90), (30,80), (20,80), (20,30), (30,30), (30,20)
b. (–10,10), (–30,10), (–30,70), (–70,70), (–70,30), (–60,30), (–60,60),
(–40,60), (–40,10), (–90,10), (–90,90), (–10,90), (–10,10)
3. Write a script to draw each of the patterns shown below.

4. Consider the following script and its output. Re-create the script, add
the necessary pen setup commands, run it, and explain how it works.

44 Chapter 2
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