Coding: Variables

For the following pseudocode:

takeoff;

if (Alexa said Hello),

I say "Stop Alexa"

else

I say "Hi Alexa"

If my Alexa says "Good Morning", what will I say?

• Stop Alexa

• Hi Alexa

• Good Morning, Alexa

• Nothing

For the following pseudocode:

set number to 2;

if (get number is 8)

flip forward;

else if (get number is 2)

flip right;

else

flip backwards;

What will my drone do?

• flip backwards

• flip forward

• flip right

• nothing

For the following pseudocode:

set number to 10;

if (get number is 8)

flip forward;

else if (get number is 2)

flip right;

else

flip backwards;

What will my drone do?

• flip backwards

• flip forward

• flip right

• nothing

For the following pseudocode:

set distance to 1;

go forward for (get distance) seconds;

change distance by 1;

go forward for (get distance) seconds;

change distance by -1;

What is my distance in the end?

• 1

• 2

• 3

• 4

For the following pseudocode:

set distance to 1;

go forward for (get distance) seconds;

change distance by 1;

go forward for (get distance) seconds;

change distance by -1;

What is my distance in the beginning?

• 1

• 2

• 3

• 4

A variable is used to...

• tell if an expression is true or false

• repeat the same instructions over and over again

• store information to be referenced and used by programs

• store information so that it is never used in the program

In the game of Pacman, what is an example of a variable?

• Pacman

• Lives

• Time

• All of the above

In Basketball, what are good variables?

• Score

• If the team wins

• If the team loses

• Whether the team listens to the coach

Code is...

• when it's not warm.

• the dog from Garfield.

• a song or poem dedicated to someone.

• specific instructions in a computer program.

Statements that can only run under certain conditions or situations such as: if the seat is taken, then move to the next available seat.

• conditionals (if/then statements)

• variable

• abstractions

• binary