Flowcharting

An Introduction

Definition

A flow diagram of an algorithm or a process

Example

Fix the lamp

Flowchart

Flowchart Symbols

Start/end

Process

Decision

Arrows

example

Count from 1 to 10 by the odd numbers

END

NO

YES

Is number >10?

START

Start at 1

ADD 2

DISPLAY NUMBER

Example flowchart

Your Turn

Create a flowchart describing the process that you follow each morning from the time you wake up for school until the time you arrive at the school entrance.

– You must use the appropriate symbols.– The process must contain at least two

decisions.– The process must contain at least 10 blocks

total plus a starting and ending block.

Get out of bed

Start

Alarm

Yes

No

Snoozebutton?

Shower

StartingExample