IB Computer Science 1

Wednesday (11/16/11)

Warmup:

• Define a function named printEvens(a, b) that takes two parameters
  1. Inside the function, write a loop that prints out all the even numbers from a up to b
• Test your function by making a function call to print the even numbers from 20 to 60

Agenda:

• Turtle animations
• Turtle gaming

Monday (11/14/11)

Agenda:

• Carney, Inc. - JamTech - Saturday, December 3rd, 2011
• Etch-a-Sketch - Create a program that uses the arrow keys to draw pictures
  1. Drop the pen down
  2. Respond to the keyboard arrows to draw
  3. Respond to the keyboard's "space" key to clear the screen
     • Hint: If you can't remember how to clear the screen, look for the command in the Python Turtle Documentation

Wednesday (11/9/11)

Warmup:

• What does the following expression evaluate to? ((2**4)-5*4/2)

Agenda:

• Return and review 1st Quarter Exams
• mainloop() & responding to the keyboard
• Etch-a-Sketch - Create a program that uses the arrow keys to draw pictures
  1. Drop the pen down
  2. Respond to the keyboard arrows to draw
  3. Respond to the keyboard's "space" key to clear the screen
     • Hint: If you can't remember how to clear the screen, look for the command in the Python Turtle Documentation

Friday (11/4/11)

Warmup:

• Create a smiley face polygon
• Change the turtle to be the smiley face
• Make the turtle move around the screen as the smiley face

Agenda:

• mainloop()
• Responding do the keyboard

Wednesday (11/2/11)

Agenda:

• 1st Quarter Exam: Part 2
• Advanced Turtling
  • Changing the turtle's look - Turtle - Changing Shape
  • mainloop()
  • Responding do the keyboard
  • Multiple turtles

Monday (10/31/11)

Warmup:

• Do you have any questions before we take the 1st quarter exam?
• Functions apology...

Agenda:

• 1st Quarter Exam
  1. Tear the two pages apart
  2. Write your name on both
  3. Give Mr. Bui the 2nd page
  4. 1st part is closed-book, multiple-choice
  5. After completing the first part, return both and pickup your 2nd page

Thursday (10/27/11)

Agenda:

• Students should review for the 1st Quarter Exam, which will be on Monday (10/31/11)
• Unix/Linux Commands will *not* be on the exam
• 1st Quarter Exam Review - review old assignments and presentations
  • Closed-person, open-book, open-note
  • Turtle - look at old assignments
  • Basic programming terms (e.g. syntax, semantic, run-time, etc.)
  • Functions
  • Variables, values, and data types
  • Comparison operators (e.g. ==, <, >, <=, and >=)
  • Logical operators (e.g. not, and, or)
  • if-statements
  • while loops
• Be sure you have completed the Looping Exercises and Turtle - Graphing Calculator

Tuesday (10/25/11)

Agenda:

• Carney, Inc. - JamTech - October, 29th
• Demo Looping Exercises
• Work on Turtle - Graphing Calculator
  • Once you have the basic calculator working, try to implement a zoom feature that draws the equation bigger
  • Draw the tick marks on the x and y axes

Friday (10/21/11)

Agenda:

• Demo Looping with Turtle Exercises
• Demo Looping Exercises
• Work on Turtle - Graphing Calculator

Wednesday (10/19/11)

Warmup:

• What are the 3 major components of the while loop?

Agenda:

• Complete Turtle - Looping Assignment
• Complete Looping Exercises

Thursday - Monday (10/13/11 - 10/17/11)

Warmup:

• Write a loop that prints out all the numbers from 20 up to and not including 80

Agenda:

• Demo Guessing Game Assignment
• Complete Print Shapes Exercises
• Complete Looping with Turtle Exercises

Tuesday (10/11/11)

Warmup:

1. Create a file named LoopingNotes.py
2. Copy the code below:
3. Comment each line and explain what it does (use the # sign)

x = 0
while x < 5:
  print(x)
  x = x + 1

Agenda:

• Looping practice
  • Print out all the numbers from 0-50
  • Print out all the numbers from 75 down to 25
  • Write a loop that prints out the first 100 even numbers
  • Prompt the user for a number and store it in a variable n, then print out the first n odd numbers (starting at 1) using a loop
  • Print out all the numbers that are divisible by 6 from 0 through 100
• Guessing Game Assignment

Thursday (10/6/11)

Warmup:

• Make sure you've completed the Logical operators assignment

Agenda:

• Complete and demo Geek Flow Chart Assignment
• Introduction to Iteration (looping)
  • while loops
  • counter variables

Tuesday (10/4/11)

Warmup:

• On a scratch sheet of paper or on the computer, complete the truth tables on the board

Agenda:

• MPAA calculator assignment
• Media:BooleanLogic.ppt
• College Admissions Exercise
  1. Research a random college admission's median GPA and SAT
  2. Prompt the user for his/her GPA
  3. Prompt the user for his/her SAT
  4. Using if-statements, print out whether or not the user meets the median requirements for that college
• Logical operators assignment
• Geek Flow Chart Assignment

Friday (9/30/11)

Warmup:

• Answer the following questions with a True or False:
  1. 0 < 8
  2. 1 == 0
  3. 4 <= 4
  4. 9 > 10

Agenda:

• Make sure you've demoed Quadratic Formula Assignment
• Introduction to Conditionals
  • Comparison operators
  • Boolean values: True, False
  • if statement
  • if-else statement
  • nested if statements
• MPAA calculator assignment
• Media:BooleanLogic.ppt
• College Admissions Exercise
  1. Research a random college admission's median GPA and SAT
  2. Prompt the user for his/her GPA
  3. Prompt the user for his/her SAT
  4. Using if-statements, print out whether or not the user meets the median requirements for that college
• Logical operators assignment

Wednesday (9/28/11)

Warmup:

1. Prompt the user to enter a string and store in a variable named s
2. Prompt the user to enter a number and store in a variable named n
3. Print out the string multiplied by the number: s*n

Agenda:

• CSTA Survey
• MadLibs, Circle, and Slope exercises
• Quadratic Formula Assignment
• return statement in functions
• Go back and create functions that use return:
  • circumference(r)
  • area(r)
  • slope(x1, y1, x2, y2)

Back To School Night (9/26/10)

• Media:B2snIBCS1.ppt

Monday (9/26/11)

Warmup:

• Give an example for each of the following data types:
  • int
  • float
  • string

Agenda:

• Values, Types, and Variables Review
• Input and Output
  • Media:PythonInputOutput.ppt
• Mad Libs exercise
  1. Prompt the user to enter a noun and store it in a variable named noun
  2. Prompt the user to enter a verb and store it in a variable named verb
  3. Prompt the user to enter another noun and store it in a variable named noun2
  4. Print out a message that contains noun, verb, and noun2
• Circle calculations exercise
  1. Prompt the user to enter the radius of a circle (this should be a float)
  2. Calculate and print out the circumference of the circle. Make sure your output looks like: "Circumference: ###"
  3. Calculate and print out the area of the circle. Make sure your output looks like: "Area: ###"
• Slope calculation exercise
  1. Prompt the user to enter x1 (this should be a float)
  2. Prompt the user to enter y1 (this should be a float)
  3. Prompt the user to enter x2 (this should be a float)
  4. Prompt the user to enter y2 (this should be a float)
  5. Calculate and print out the slope. Make sure your output looks like: "Slope: ###"
• Quadratic Formula Assignment

Thursday (9/22/11)

Warmup:

1. Define a function named drawSquare() that draws a 100x100 square
2. Test out your function by making several drawSquare() function calls

Agenda:

• Demo Turtle - House Function Assignment
• Introduction to Values, Types, and Variables
• Complete Values, Types, and Variables Identification assignment
• Function parameters
  • Defining and calling a function with one parameter
  • Defining and calling a function with more than one parameter
• Redo the House Function
  1. After demonstrating the House Function the first time, change the function by adding 2 parameters
  2. Add x and y parameters to the function header's parameter list
  3. Add goto(x,y) at the beginning of the function body so that the house is drawn at (x,y)
  4. Don't forget to use penup() and pendown()
  5. Test your new function by making a function call using parameters:

house(0,200)
house(-200,200)
house(0,-200)

Tuesday (9/20/11)

Warmup:

• Draw a triangle on the screen that has dots at each of its corners

Agenda:

• Introduction to Functions
  • Function definition
    • Function header
    • Function body
  • Function call
• Turtle - House Function Assignment

Friday (9/16/11)

Agenda:

• Make sure you demo the Turtle - Moving and Drawing Assignment
• More Python Turtle Commands
  • exitonclick() reminder
  • home()
  • goto()
  • circle()
  • dot()
• Practice
  • Draw a bullseye target in the middle of the screen
  • Draw dots in a row
  • Draw a circle in each of the four corners
  • Draw dots in a row of increasing size that are touching each other

Monday - Wednesday (9/12/11 - 9/14/11)

Warmup:

• Using the power of the internets, what was the first commercial graphical user interface (GUI) developed for the personal computer?
• In what year was the first GUI introduced?
• In what year was the Unix operating system developed?

Agenda:

• Introduction to Unix/Linux
• Media:BasicProgrammingTerms.ppt
• Introduction to Python Turtle
  • Python turtle library
• Turtle - Moving and Drawing Assignment

Tuesday - Thursday (9/6/11 - 9/8/11)

• Introductions
• Name cards
• Lab setup/config
  • Login username is your first initial and lastname (e.g. pbui)
  • Your password is your student ID number
  • Go to Apple (upper left) -> System Preferences -> Accounts -> Change Password
  • Acceptable-use policies apply in this lab!
• Student Surveys
  • Fill out and submit
• Misc logistics
  • 20/10 no pass policy
  • Location of bathrooms
  • Sign in/out sheets
• IB Computer Science I Syllabus

• What is computer science?
  1. List 3 people/things/systems that use computers (e.g. air traffic control)
  2. For each of the above people/things/systems, write down the information that they use (e.g. flight information)
  3. List 3 things you have done in any science class
  4. Define the term: "to compute" or "computation"

• How many steps are necessary in making a PB&J sandwich?