Algorithms and Scratch Basics

An organized set of rules or steps to perform an action, is also known as...

• Scratch
• Software
• Algorithm
• Block

An Algorithm has 4 main characteristics. It should be....

• Doable, Creative, finite and precise
• Doable, Understandable, finite and precise
• Amazing, Understandable, finite and precise
• Doable, Understandable, Infinite and precise

Start
Put your hand on the doorknob
Turn the doorknob to the side until it unlocks the door
Push or pull  the door to open it
End
..................................................
What would be an appropiate title for this algorithm?

• How to push a door
• Steps to stand infront of a door
• Steps to touch a doorknob
• How to open a door

Any user should be able to perform an Algorithm without any problems, that means it should be....

• Doable
• Understandable
• Infinite
• Precise

If an Algorithm is performed correctly should always give same result, that means it should be....

• Doable
• Understandable
• Finite
• Precise

An Algorithm, should be easy to follow (clear). That means it should be...

• Doable
• Understandable
• Finite
• Precise

An Algorithm, should have a beginning and an end. That means it should be...

• Doable
• Understandable
• Finite
• Precise

Choose the option that better completes the statement.
"Algorithms are useful to help us...

• write a tv show without pen and paper
• perform any activity.
• understand how to build a rocket in a full moon in mars when you are a unicorn
• digest our food

Algorithms have ________ main characteristics.

• 3
• 6
• 4
• 5

A cooking recipe is a clear example of an Algorithm.

• True
• False