FID WORK March 20th 2024- Preconditions and Postconditions

Preconditions and Postconditions lesson

Moment you've been waiting for

NO QUIZ TODAY!!!! QUIZ HAS BEEN SHIFTED FOR THURSDAY!!!!

You are welcome for the no quiz today. We do though have a lesson. Keep going for the lesson

Objectives/ Question of Day

Students will be able to:

• Identify the preconditions and postconditions of an algorithm

• Implement an algorithm to calculate the average of the values in a one-dimensional (1D) array

• Implement an algorithm to calculate the sum of the values in a one-dimensional (1D) array

  Investigation Question: How can I perform calculations on the values stored in a 1D array?

Level 1

Please complete level 1, reading file. In your notes, label 3.5 and write what you notice/ wonder about the code

Open Ended

What do you notice in the program?

Open Ended

What do you wonder?

Vocabulary- goes in your notes

• postcondition - a condition that must always be true just after the execution of a code segment

• precondition - a condition that must always be true just before the execution of a code segment

• text file - a file that contains letters, numbers, and/or symbols but has no special formatting

Open Ended

When have you had to use a precondition or postcondition?

Task

Activity guide+ code.org

1. Please complete levels 2-5 on code.org

2. As you go on, complete the Pre- Conditions and Post- conditions activity guide

3. I have copied/ pasted the name, it is there

4. When you are done, please continue

Open Ended

• What was awesome about writing your code?

• What is one action you can take to improve your code?

• What questions do you have about today?

Ending/ HOMEWORK

That is it.
HOMEWORK:
Study for quiz tomorrow