GCSE Maths - Difference of Two Squares (DOTS) Method for 2026/27 Exams

⭐️ Check out our website https://www.cognito.org/ ⭐️

*** WHAT'S COVERED ***
1. Intro to the Difference of Two Squares (D.O.T.S.) method for factorising expressions.
2. The step-by-step process for applying the D.O.T.S. factorisation technique.
3. Worked examples of factorising using D.O.T.S.
4. Verification of the D.O.T.S. method by expanding the factored brackets.

*** EXAM BOARD INFO ***
KS3 - Not on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course

*** CHAPTERS ***
0:00 Intro to Difference of Two Squares (D.O.T.S.)
0:16 Identifying D.O.T.S. Expressions
0:50 The D.O.T.S. Factorisation Method
1:20 Example 1
2:17 Example 2
2:40 Example 3
3:43 Example 4
4:06 Example 5
4:29 Example 6
4:48 Verifying D.O.T.S. by Expansion

*** PLAYLISTS ***
https://youtube.com/playlist?list=PLidqqIGKox7XPh1QacLRiKto_UlnRIEVh&si=orIUwL3o2jOoiYjT

https://youtube.com/playlist?list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g&si=DcihOwUkd9oWbbdp

https://youtube.com/playlist?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W&si=Y8MsO-FK948jnxpS

https://youtube.com/playlist?list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7&si=-7i5Iq7yOeJrhtu6

https://youtube.com/playlist?list=PLidqqIGKox7VKJD2WxRhoKaI6JGLVean8&si=NH_Q1ujhVgACM2FU

#GCSE #Maths #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP