Scratch Charades

Hello!

Lesson 3

Scratch Basics

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SEQUENCE

A set of _________ that follow one another in ________

instructions

order

Why is it important to do things in sequence?

Can you think of other sequences in your everyday life?

FIRST

NEXT

THEN

LAST

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ALGORITHM

A list of __________ to finish a task

steps

UNIT 1.2 SCRATCH CHARADES

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1. Move forward 10 steps

2. Wait 2 seconds

10

3. Change color to green

WB Page

4

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PROGRAM

an algorithm written in a language that a

_____________ ______________

computer

understands

UNIT 1.2 SCRATCH CHARADES

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Here is a program for Scratch cat’s algorithm.

10

code

WB Page

4

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SCRATCH CHARADES

Director (User)

Builders

Actor

(Sprite)

Make sure the actor acts out the script correctly.

Work together to build the script.

Uses a script card to act out the script.

Hello!

WB Page

5

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Types of Blocks

Motion

Looks

Sound

Control

Hello

3

WB Page

5

Unplugged

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Direction Blocks

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SCRATCH CHARADES Instructions

Complete the

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GREEN

cards

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1st

And the

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BLUE

cards

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2nd

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1. The ACTOR (SPRITE) picks a green card without letting the BUILDERS see it.
2. The ACTOR acts out the card; the DIRECTOR makes sure the actions are correct. The ACTOR may repeat the actions if the BUILDERS need to see it again.
3. The BUILDERS put the blocks together.
4. When the BUILDERS are finished, the DIRECTOR lets them know if they need to debug their script.
5. When the script is correct, change roles in your team and play again.