Ritangle 2021

Ritangle 2021 took place 5 October - 14 December 2021, with over 700 teams taking part.

Ritangle is a competition designed for teams of students aged 16‌-‌18 who are currently studying either:

  • A level Mathematics
  • the International Baccalaureate
  • Scottish Highers
  • qualifications with equivalent content.

For more information about Ritangle, please visit the page for this year's competition.

Ritangle 2021 winners


Congratulations to the winning team from

Altrincham Grammar School For Boys

Ritangle 2021 runners-up


Well done also to the runners up from

Royal Grammar School Guildford

Honourable mentions

Teams from the following schools also reached stage 3 and submitted the highest correct answers. Congratulations to all the schools and colleges below:

  • The Judd School
  • King Edward VI School (Southampton)
  • Dulwich College
  • Wilson's School
  • Hutton Grammar School
  • Bournemouth School
  • Abingdon School
  • The Latymer School
  • St Bernards Catholic Grammar School
  • The English School Nicosia

Unlocking Stage 3 took a great deal of ingenuity, combining answers from the 32 Stage 1 and Stage 2 questions. Congratulations to all the teams that managed to do this.

  • Abbey College Cambridge
  • Aloha College
  • Aquinas College
  • Beauchamp City Sixth Form
  • Beauchamp College
  • Bedford School
  • Bethany School
  • BHASVIC
  • Birkdale school
  • Bourne Grammar School
  • Bournemouth School for Girls
  • Bradley Stoke Community School
  • Brampton Manor Academy
  • Bristol Grammar School
  • British School of Alicante
  • British School of Brussels
  • Caistor Grammar School
  • Carmel College
  • Caterham School
  • Cheltenham Ladies' College
  • Cheney School
  • Christ's Hospital
  • Churchill Academy and Sixth Form
  • City of London School for Boys
  • Colchester County High School for Girls
  • Colchester Royal Grammar School
  • Comberton Sixth Form
  • Denbigh School
  • Doha College
  • Downe House
  • Dr. Challoners Grammar School
  • Dulwich College Beijing
  • Garden International School
  • George Abbot
  • George Watson's College
  • Grange Academy
  • Greenhead College
  • Gunnersbury Catholic School
  • Highgate School
  • Highsted Grammar School
  • Highworth Grammar School
  • Hill House School
  • Holmleigh Park High School
  • Howard of Effingham School
  • Huish Episcopi Academy
  • Ivybridge Community College
  • Jersey College for Girls
  • Kenilworth School
  • King Edward VI Aston
  • King Edward VI Camp Hill School for Girls
  • King Edward VI Five Ways
  • King Edward VI School, Stratford-upon-Avon
  • King Edwards VII
  • King Henry VIII Malaysia
  • King's College London Mathematics School
  • Kings College School
  • Kingsbury High School
  • Kingswood School Bath
  • Lancaster Girls' Grammar School
  • Lancaster Royal Grammar School
  • London Academy of Excellence Tottenham
  • Loughborough College
  • Maricourt Catholic High School
  • Merchant Taylors' School Northwood
  • Midhurst Rother College
  • Mill Hill County High School
  • Newcastle Sixth Form College
  • Newstead Wood Grammar School
  • Norlington School and 6th Form
  • Northampton School For Boys
  • Norwich High School For Girls
  • Oakwood Park Grammar School
  • Oxford International College
  • Oxford Spires Academy
  • Parrs Wood High School
  • Pate's Grammar School
  • Pocklington School
  • Poole High School
  • Queen Elizabeth’s School, Barnet
  • Queen Elizabeths Grammar School, Kent
  • Queensmead School
  • Ravens Wood School
  • Reed's School
  • Robert Clack School
  • Runnymede College
  • Runshaw College
  • Rutlish School
  • Saffron Walden County High School
  • Shaftesbury School
  • Shanghai United International School (Gubei Campus)
  • Sherborne Girls
  • Sherborne School
  • Sir Henry Floyd Grammar School
  • Sir Roger Manwood’s School
  • Sir William Borlase's Grammar school
  • Solihull School
  • St Catherine’s School
  • St. Olave's Grammar School
  • Stephen Perse Foundation
  • Tanglin Trust School
  • Taverham High School
  • The Abbey Senior School
  • The Bishop's Stortford High School
  • The Boswells School
  • The British School in Tokyo
  • The Burgate Sixth Form
  • The Cherwell School
  • The Glasgow Academy
  • The Henrietta Barnett School
  • The Liverpool Blue Coat School
  • The London Oratory School
  • The Manchester Grammar School
  • The National Mathematics and Science College
  • The Perse Upper
  • The Royal Grammar School, High Wycombe
  • The Thomas Hardye School
  • The West Bridgford School
  • Thorpe St Andrew Sixth Form
  • Turton Sixth Form
  • Wallington County Grammar School
  • Walton High School
  • Westminster School
  • Woodford County High School
  • Wycliffe College

Ritangle 2021 Questions

Downloads

Stage 1 & 2
questions

Download

Stage 1 & 2
solutions

Download

Stage 3
question

Download

Stage 3
solution

Download