Week 3 Lesson 1
Today we will learn how an if-then-else uses conditions to cause actions.
55 minutes
1 - Warm Up (5 min)
2 - We Do (5 min)
3 - Turn & Talk (5 min)
4 - UCSD Does (5 min)
5 - We Do (15 min)
6 - You Do (15 min)
7 - Reflect & Share (5 min)
WARM UP
Pairs, Groups,
Whole Class
1
(5 min)
This week we will be using if-then-else conditions to code. Let's think about these types of conditionals at school.
What happens when you are on time for school? What happens if you are late?
If _________ then __________.
Otherwise __________.
What happens if you charge your Chromebook? What happens if you do not?
If _________ then __________.
Otherwise __________.
We Do
2
(5 min)
As a class, let's use TIPP and SEE to learn how the project works.
Click on the Scratch project.
Locate the Title and read it.
Locate the Instructions and read them.
Locate the Purpose and read it.
Play the project.
Locate See Inside and click on it.
Identify all Sprites and Events.
Explore the code, but don't make changes quite yet!
Turn & TALK
3
(5 min)
In the Scratch project, the cat and bat sprites change their reactions based on sounds. What is the problem and how do you think you can fix it?
The problem is _________.
Maybe we can solve the problem by programming _________.
How is the if-then-else block used in this project? Use the anchor chart to help you explain.
In this project, the if-then-else is used to _____________.
UCSD DOES
4
(5 min)
you do
6
(15 min)
Open the Week 3 Student Hyperdoc provided by your teacher.
Open the project under the "You Do" section in your hyperdoc.
Play the project.
Fix the code so that the Cat frowns at the right noise level.
Fix the code so that the Bat frowns at the right noise level.
do more
Make the cat frown when it is even louder.
Make the bat frown when it is a little quieter.
Add other animals to react to the noise!
Make sure you have shared your project with your teacher using your hyperdoc.
File -> Save to your computer to save your program for later.
(How To)
Reflect & Share
7
(5 min)
Today in Scratch, we used if-then-else blocks to make the sprites smile or frown depending on the noise conditions.
Partner A: Share your project and talk about your process.
Today I _______. Let me show you...
Partner B: Respond to your partner with feedback.
I see you were able to ________.
Can you tell about how you ________?
Switch roles!
