1. The Maker

2. Variables and Conditional Statements
Unit 3

3. Learning Outcomes:
1- Understand what variables are and why and when to use them in a program.
2- Learn how to create a variable, set the variable to an initial value, and change the value of the variable within the Maker program.
3- Understand what conditional statements are, and why, and when, to use them in a program.
4- Practice using the logic blocks so different conditions produce specifc outcomes.
5- Demonstrate understanding and applying skills by working with classmates to create a game that uses Maker and a program that correctly and effectively uses conditionals.

4. Key vocabulary

5. Introduction to Variables
Computer programs process information. It stores some information in a temporary location called variables. Programmers create variables to hold the value of information that may change. In a game program, a variable may be created to hold the player’s current score, since that value should change during the game.

6. Fidget cubes

7. What pieces of information have values that don’t change?
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The days of the week
The year
The students’ names
The school address
Date of Birth
Months Names
Countries names

8. What pieces of information have values that do change?
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What pieces of information have values that do change?
The temperature/weather
The current time
Whether they are standing or sitting
Weight

9. Keeping score: Scorekeeper
Let’s Have Fun!
You Have 1 Minute
In group of 3
Play Rock, Paper, Scissors
Two students will play and the third one will record the results

10. Play Rock, Paper, Scissors
Variables In this Game
Player A wins
Player B wins
Player A & B Tie
Rounds

11. Unit 3 - Score Keeper Activity
Use the Maker and Ardublockly software to program the Score Keeper input and processing using the blocks shown on this slide

12. Unit 3 - Score Keeper…Continued
Program the Score Keeper output using the blocks shown on this slide