Embedded Files
What you will do in this lesson:
What you will do in this lesson:
Create an app with a button that changes the background color in a traffic light pattern
What you will learn in this lesson:
What you will learn in this lesson:
How to use a conditional to is a condition is True or False
How to use IF, IF/Else, and If/Else If/Else blocks to make decisions in a program
Vocabulary
Vocabulary
conditionals: definition
Agenda/Lesson Steps
Agenda/Lesson Steps
- Preview: Examine the Code
2. Build the Traffic Light Challenge
2. Build the Traffic Light Challenge
Preview: Examine at the code
Preview: Examine at the code
A student wants the traffic light to go from Green to Yellow, Yellow to Red, and Red to Green.
A student wants the traffic light to go from Green to Yellow, Yellow to Red, and Red to Green.
What will happen when the Change Color Button is pressed?
Why does this happen?
Activity
Activity
1. Build the User Interface + Program Color Button
1. Build the User Interface + Program Color Button
Drag a button
Rename “Color Button”
Text “Change Color”
Program the Color Button
Set the background color to green
2. Program Green to Red using an If/Else Conditional
2. Program Green to Red using an If/Else Conditional
You will need an "Equals" block from the Logic drawer
3. Program Green to Yellow, Yellow to Red, Red to Green using a If/Else If/Else Conditional
3. Program Green to Yellow, Yellow to Red, Red to Green using a If/Else If/Else Conditional
Handout
Handout
Closeout
Closeout
Universal Supports
Universal Supports
additional video on If Statements (works with changing score...https://www.youtube.com/watch?v=RAtGL5GUmj0&t=41s)
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