Prepared by: Shehla Shoaib

Programming & Scratch

Prepared by: Shehla Shoaib

Scratch

Scratch is a programming language and online community where you can create your own interactive stories, games, and animations -- and share your creations with others around the world.

Prepared by: Shehla Shoaib

Learning to program is about learning to think logically.

The building blocks out of which a programmer constructs solutions, meanwhile, are relatively simply.

Programming

Prepared by: Shehla Shoaib

logical reasoning

breaking complex problems into simpler parts

debugging problems

developing ideas from initial conception to completed project

sustained focus and determination

Problem-Solving and Project-Design Skills

Prepared by: Shehla Shoaib

Scratch Interface

Stage:

Where

your game

takes place Scripts

Area: Where

you enter your

instructions

Blocks

Palette:

Commands

Sprite

list

Prepared by: Shehla Shoaib

Review

Prepared by: Shehla Shoaib

computer programs tell the computer precisely what to

do, step-by-step

writing computer programs doesn’t require special

expertise, just clear and careful thinking

Fundamental Ideas about Computers and

Programming

Prepared by: Shehla Shoaib

Common in programming, for instance, are "loops" (whereby a program does something multiple times) and "conditions" (whereby a program only does something under certain circumstances. Also common are "variables" (so that a program, like a mathematician, can remember certain values).

Programming

Prepared by: Shehla Shoaib

In programming, a statement is simply a directive that tells the computer to do something. Think of it as a command or an instruction. In Scratch, any block whose label reads like a command is a statement.

Statements

Prepared by: Shehla Shoaib

One such block instructs a sprite to say something:

Statements

Prepared by: Shehla Shoaib

Another such block instructs a sprite to go to some location:

Statements

Prepared by: Shehla Shoaib

To create a program in Scratch, you need to think

systematically about the order of steps

Sequence

Prepared by: Shehla Shoaib

Example #01

Prepared by: Shehla Shoaib

Example #02