Variables

Variable is

• value that does not change

• used to control the program

• something to send message to user

• a box inside computer memory to store something

The category of Variables in Scratch ...

• Motion

• Variables

• Control

• Looks

Variable is something that can vary

• True

• False

A variable can hold many values

• True

• False

How many blocks are under variables

• 3

• 4

• 5

• 6

What does this block do?

• Make the variable "my pets" to hold 5

• Add 5 to existing value of the variable "my pets"

• Subtract 5 from existing value of the variable "my pets"

• None of the above

What does this block do?

• Make the variable "my pets" to hold 1

• Add 1 to existing value of the variable "my pets"

• Subtract 1 from existing value of the variable "my pets"

• None of the above

What does this block do?

• Make the variable "my pets" to hold 2

• Add 2 to existing value of the variable "my pets"

• Subtract 2 from existing value of the variable "my pets"

• None of the above

What is the variable in this script?

• forever

• if

• age

• say