Functions and Variables in MakeCode

What is a variable?

• A. A tool that lets us make sounds

• B. A container that stores information or values

• C. A block that moves a character on the screen

Why is it important to give clear names to variables?

• So we can understand what each variable is used for

• To make the microcontroller work faster

• To make the program look fancy

Which of these is a good name for a variable that keeps track of a player’s score?

• p

• score

• 123score

What is a function in programming?

• A way to add graphics to a game

• A block of code that performs a specific task

• A tool to delete variables

Why would you use a function in a program?

• To organize code and avoid repeating instructions

• To create more variables

• To change the background color of the code editor

In MakeCode, how do you create a function?

• By clicking the “Sprites” menu

• By going to the “Functions” category and selecting “Make a Function”

• By pressing the "Delete" button

What happens when you "call" a function in your program?

• The function's instructions run

• A new variable is created

• The program stops running

Which of these is a correct example of a function name?

• 123add

• calculate_sum

• temperature-@

If we have a variable named steps that stores the number of steps we’ve walked, what would happen if we set steps = 0?

• The program would crash

• The steps would be reset to zero

• The steps would increase by 1

True or False: Variables and functions help make our code more organized and easier to understand.

• True

• False