Skip to content
Accessibility Help

Notifications

Home
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBBC
CBeebies
Food

Search Bitesize

Home
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBBC
CBeebies
Food

Home
Learn
Study support
Careers
Teachers
Parents
Trending
My Bitesize

England

Early years
KS1
KS2
KS3
GCSE
Functional Skills

Northern Ireland

Foundation Stage
KS1
KS2
KS3
GCSE

Scotland

Early Level
1st Level
2nd Level
3rd Level
4th Level
National 4
National 5
Higher
Core Skills
An Tràth Ìre
A' Chiad Ìre
An Dàrna Ìre
3mh ìre
4mh ìre
Nàiseanta 4
Nàiseanta 5
Àrd Ìre

Wales

Foundation Phase
KS2
KS3
GCSE
WBQ
Essential Skills
Cyfnod Sylfaen
CA2
CA3
CBC
TGAU

International

KS3
IGCSE

More from Bitesize

About us
All subjects
All levels
Primary games
Secondary games

KS3

What is Algebra?

Part of Maths

What is Algebra?
- WATCH: Introducing algebra
  Algebraic notation shows the calculation. Find out how to write it in this Bitesize maths video for KS3.

Language:

Best of CBBC

Duck’s job might last all day… but Frog’s here to ‘help’
Attribution
iPlayer
Catch up on the adventures of Darrell and friends
Attribution
iPlayer
In the kingdom of Far Far Away, is happiness really just a teardrop away?
Attribution
iPlayer
Get your cheer on and create your perfect personalised uniform
Attribution
CBBC

Home
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBBC
CBeebies
Food

Terms of Use
About the BBC
Privacy Policy
Cookies
Accessibility Help
Parental Guidance
Contact the BBC
Make an editorial complaint
BBC emails for you

Copyright © 2026 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.