Karel Functions Worksheet

What is a function in Karel?

• A way to teach Karel a new word.

• A type of variable in Karel.

• A command to stop the program.

• A way to draw shapes in Karel.

Why should we use functions in programming?

• To break down programs into smaller parts and make them easier to understand.

• To make the program run faster.

• To add more colors to the program.

• To increase the number of errors.

Which of the following is the correct order for writing a function in Karel?

• Function keyword, function name, open paren, closed paren, curly braces.

• Function name, function keyword, curly braces, open paren, closed paren.

• Curly braces, function keyword, function name, open paren, closed paren.

• Open paren, closed paren, function keyword, function name, curly braces.

What should the name of a function describe?

• What the function does.

• The color of the program.

• The number of lines in the code.

• The name of the programmer.

What does it mean to define a function?

• Specifying the instructions for a new action.

• Running the function in the program.

• Naming the function after yourself.

• Deleting a function from the code.

Which of the following is NOT a rule for naming a function?

• The name can have spaces.

• The name should start with a letter.

• The name should describe what the function does.

• The name cannot have spaces.

What does calling a function do?

• Causes the action defined in the function to happen.

• Deletes the function from the program.

• Changes the function’s name.

• Stops the program.

If you want Karel to turn around, which instructions should you give inside the turnAround function?

• turnLeft, turnLeft

• move, move

• turnRight, turnRight

• move, turnLeft

Why is it helpful to give functions good names?

• It makes the program clearer and easier to understand.

• It makes the program run faster.

• It increases the number of lines in the code.

• It helps Karel move faster.

What happens if you try to call a function that does not exist yet?

• The program will not work until you define the function.

• The program will run faster.

• Karel will ignore the function call.

• The function will be created automatically.