Week 2 Lesson 3
Today we will learn how an if-then uses conditions to cause actions. We will also learn how variables track information.
53 minutes
1 - Warm Up (5 min)
2 - We Do (5 min)
3 - Turn & Talk (5 min)
4 - UCSD Does (3 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)
Today we will continue using if-then blocks, but we will also add variables to a project. Let's consider what we already know about variables.
How does a scoreboard work? What do the numbers mean?
A scoreboard ___________.
The numbers ___________.
Can you think of a game that keeps a score? How do you earn or lose points?
You earn points in the game ________
by ________.
You lose points in the game by ________.
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 rain drops are causing erosion, so we have to stop them somehow. However, part of the project is not working correctly. What is the problem and how do you think you can fix it?
The problem is _________.
One idea I have is to program _________.
How can you use a variable to make this project a game? Use the anchor chart.
In this project, when_________ the _________.
UCSD DOES
4
(3 min)
you do
6
(15 min)
Open the Week 2 Student Hyperdoc provided by your teacher.
Choose a starter project under the "You Do" section.
First, use GACC to fix any problems with the project.
Then, follow the additional instructions below each project.
do more
Make the hen squawk when you get 5 points.
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-thens to make raindrops disappear and a variable to keep track of the points we earned.
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 am impressed with ________ because ________.
On thing you could improve upon is ________.
Switch roles!
