CMU CS Academy Lesson 1.1.2
Interactive Video
•
Computers
•
9th - 12th Grade
•
Easy
Maria Cruz Farooqi
Used 2+ times
FREE Resource
30 questions
Show all answers
1.
SLIDE QUESTION
30 sec • Ungraded
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Our First Program
To start, let's draw a rectangle. Press the green (a) button to run this Python code:
3.
DROPDOWN QUESTION
1 min • 1 pt
To understand what is going on, we first have to talk about the canvas.
In this course, all drawing is done on a canvas. The canvas is made up of tiny colored points, or (a) . We use ( x , y ) coordinates to talk about pixels on the canvas, like so:
(b) is the left-top corner of the canvas (not the middle!).
As x increases, you head (c) .
As y increases, you head (d) , not up!
Our canvas is a 400x400 square, so (200, 200) is the middle of the canvas, and (e) is the right-bottom corner.
4.
SLIDE QUESTION
30 sec • Ungraded
5.
DROPDOWN QUESTION
1 min • 1 pt
Drawing Rectangles
Ok, let's get to the details. Here is the Python code from above:
Rect(10, 20, 30, 40)
We use Rect to draw a (a) . We provide 4 values after that: left, top, width, and height. So the above code draws a rectangle with its left-top corner at (b) , a width of (c) , and a height of (d) .
6.
SLIDE QUESTION
30 sec • Ungraded
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Watch video to get answer:
Which rectangle has a right-bottom corner at (100, 150)?
Rect(70, 90, 30, 60)
Rect(70, 90, 150, 100)
Rect(70, 90, 80, 10)
Rect(70, 90, 100, 150)
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