Variables in Scratch

What is a "variable"?

• A named value in a program that always stays the same, eg the value for pi.

• A character in a game, eg Scratch the cat.

• A background in a game, eg a range of mountains.

• A named value that can change throughout the program, eg a timer or a score.

we can make new variable from ........

• looks

• variables

• motion

• control

Where do you go to add a backdrop?

• Image #1

• Image #2

• Image #3

• Image #4

A variable like this one, can only hold one value at a time

• True

• False

Tags

CCSS.6.EE.B.6

Variables can be used for:

• Keeping score

• Counting

• Controlling the flow of the program

• Starting a program

If this script is given to a sprite, what will the sprite say?

• 14

• 10

• -10

• 4

What is a variable?

• Block of code

• Container for a value

• Sprite costume

• Sound

What is the variable in this code?

• keep score

• random position

• edge

What is a variable?

• Something that can change
• Instructions telling the program what to do
• Has an input and an output
• Forever if

Which of these would be most likely to be a variable in a game?

• score

• a castle backdrop

• a "go to x;y" block

• a costume for your sprite