Add Variables

You're writing an app to track your sleep habits. Which value is most likely represented by a variable?

• Your name

• The brand of mattress you sleep on

• The usual time you go to sleep

• The number of hours you sleep in a night

Tags

CCSS.6.EE.B.6

Which word always describes the value of a variable?

• Adjustable

• Hidden

• Static

• Minimal

Tags

CCSS.6.EE.B.6

You're writing some code that will add your signature to any email you send. Which of the following is the best name for the variable?

• Me

• Sincerely

• Name

• Email

What is the difference between assigning and initializing a variable?

• Initializing occurs after declaring; assigning occurs before

• Initializing occurs once; assigning can occur multiple times

• Initializing is optional; assigning is mandatory

• Initializing involves a string; assigning involves a single character

The variable PlayerScore represents a player's score in a videogame. If a player scores 10 more points, how would the variable be updated?

• PlayerScore - 10

• PlayerScore 0

• PlayerScore 10

• PlayerScore + 10

Tags

CCSS.6.EE.B.6

The main cause of bugs in coding is:

• hardware malfunction

• human error

• changing the value of variables

• using too many variables