Code.org Unit 3 Assessment Lessons 3-9

What is a reason to include comments in a program?

• Comments tell the computer what the code is doing.

• Comments tell the programmer what the code is doing & why.

• Comments will tell the program how to fix bugs.

• Comments will help find bugs in the program.

What is x value in the following code?

rect(250, 200, 75, 225);

• 250

• 200

• 75

• 225

In which corner, will the square in line 1 be located on the coordinate plane?

• upper right
• lower left
• lower right
• upper left

Why will this code not run?

• there has to be a number in the variable

• there are supposed to be no spaces in the variable label

• there are no caps in variables

variable

• A graphic character on the screen with properties that describe its location, movement, and look.

• a series of images that create the illusion of motion by being shown rapidly one after the other

• a single image within an animation

• A placeholder for a piece of information that can change.

Why is the randomNumber block useful in coding?

• the random numbers will cause the code to spin

• the random numbers will cause the sprite to change colors

• random numbers can cause the sprite to change depending on which parameter it has been placed into

What is width of the rectangle in the following code?

rect(250, 200, 75, 225);

• 250

• 200

• 75

• 225

What does this block do in code.org?

How can we correct the code above? We are getting the error message (dessert is defined, but it is not called in your program)

• Change drink to dessert in the 6th line of code

• Change drink to ice cream in the 6th line of code

• Change drink to sprite in the 6th in of code

A label for a piece of information used in a program.

• Property

• Variable

• initialize

• command