Quibans list
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Title/LinkFurther infoMaths topics
Suggested usage
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Quibans 72 - Academy footballCompensation paid for signing youth footballersFermi estimation, percentagesStarter
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Quibans 71 - I’d walk a million miles for one of your goals
How long would it take to walk a million miles?Estimation, calculationsStarter
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Quibans 70 - Commuting by trainFigures - calculate with thesePercentages - lotsStarter
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Quibans 69 - QR code of treesHow many trees are in each pixel?Conversions (currency, units)Starter/Lesson
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Quibans 68 - Human ChainPeople made a chain to save a drowning familyEstimation, bounds, calculationsStarter
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Quibans 67 - General Election GraphsInfographics about the electionCriticism, graphs, displaying dataFull lesson
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Quibans 66 - Paris Climate AccordArticle (with pointless graph) to criticiseCriticism, graphs, explanationHomework
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Quibans 65 - Primary School Breakfast Club
Mistakes in Conservative Party election plansEstimating, criticism, fermi, calculationsStarter/Lesson
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Quibans 64 - Diane AbbottCar-crash interview during election campaign
Listen to radio interview, pick out numbers, decide accuracy
Starter/Lesson
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Quibans 63 - Car CrimeCar crime in areas of Cambspmcc, conclusions, proportionStarter
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Quibans 62 - TV debateTheresa May avoided TV debate Estimation, calculating, explainingStarter
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Quibans 61 - Easter Eggs
Link Easter eggs with exercise required to burn them off
pmcc, conclusions, proportion, comparisonsStarter
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Quibans 60 - Two short Quibans - United Airlines / Carers
Two short comparisonspercentages, comparisons, estimatesStarter
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Quibans 59 - Greenpeace vs CokeRecycle your bottles!Percentages, calculationsStarter
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Quibans 58 - Term-time holidaysFines for parentsPercentages, calculations, criticismStarter
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Quibans 57 - Tolkien Reading Day
How long it will take to read all of the Lord of the Rings
Rate, speed, FermiStarter/Lesson
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Quibans 56 - All you can eatHow much Brits spend eating outFermi problem, averages, criticismStarter
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Quibans 55 - Super Bowl in Space
Throw an american football in the Space Station
Convert units, speed/dist/timeStarter
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Quibans 54 - Terrorism vs gun violenceComparison graphsPercentages, rates, averagesStarter
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Quibans 53 - Trump's WallHow much will it cost?Volume, cost, calculationsStarter
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Quibans 52 - Big Mexican FoodBiggest cake in the worldConvert units, bounds, calculations, finding errorsStarter
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Quibans 51 - Monster CarrotsError in article - how big are the carrots?Estimation, Fermi, length calculationsStarter
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Quibans 50 - A million cyclistsCyclist counter in CambridgeRate, time calculations, percentage, taxStarter
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Quibans 49 - Bike theftsCambridge, bike theft capitalPercentages, calculationsStarter
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Quibans 48 - Trump and the pollstersRidiculous probability comparison
Probability, combined events, percetanges, use of prob
Starter/Lesson
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Quibans 47 - Shortest flightsThe shortest scheduled aeroplane journeysAverage speed, time calculations, ratioStarter/Lesson
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Quibans 46 - Commuting in LondonAverage time for a commuteAverage, surveys, calcuations with time, samplingStarter
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Quibans 45 - Army fitnessSoldiers who fail fitness testsPercentage, ratio, upper/lower boundsStarter
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Quibans 44 - GlastonburyTickets sell out fastRate, proportion, speedStarter
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Quibans 43 - Buy Apple in the Big AppleIs it cheaper to fly to NY to buy a MacBook ?Convert currency, travel plans/costs, explanationsFull lesson
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Quibans 42 - Brexit 1Financial centres of countriesinfographics, graphs, percentages, proportionsStarter/full lesson
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Quibans 41 - Phil CollinsAlcohol consumptionRounding, percentages, problem-solvingStarter
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Quibans 40 - Tom (Cruise + Hanks)Won't need more money until they are 1000 ?compound interest, cost of livingStarter/full lesson
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Quibans 39 - Injured CyclistsNumber of cyclists injured in Cambs each yearPercentages, reverse percentagesStarter/full lesson
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Quibans 38 - SkittlesDonald Trump Jr and his refugee analogyVolume, Fermi, probabilityStarter
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Quibans 37 - Say "please"Cafe charges polite customers less for coffeeExchange rate, percentagesStarter
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Quibans 36 - School exclusions for assault
Assaults on pupils and adults in primary/secondary schools
Graphs, correlationFull lesson
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Quibans 35 - Copper coinsDisgruntled parent pays fine in 1p and 2p coinsProblem solving, weight, estimation, convert unitsStarter
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Quibans 34 - It's May vs LeadsomConservative leadership electionProblem solving, percentagesStarter
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Quibans 33 - EU ReferendumResults from the Brexit referendumPercentages, rounding errorsStarter/full lesson
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Quibans 32 - Boring TunnelsNew Swiss tunnelVolume, exchange rates, FermiStarter/full lesson
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Quibans 31 - Olympic preprationsNumbers related to the upcoming Rio gamesCalculations, estimationsStarter
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Quibans 30 - Footballers' salaries
Exploring the astronomical sums paid to footballers
Estimation, calculations, percentages, timeFull lesson
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Quibans 29 - SlugsMore slugs than usual in British gardensEstimation, calculations, real-lifeStarter
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Quibans 28 - Food activity icons
Food labels to show how much exercise would burn it off
Proportion, conversions, real-lifeStarter
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Quibans 27 - Cheap jeansLidl's jeans - worker payPercentages, calculations, real-life, VATFull lesson or HW
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Quibans 26 - Fewer ShoppersFewer people in Cambridge - why?Real-life, calculations, rounding, errorStarter
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Quibans 25 - 3 short food & drink storiesRecycled coffee cups/Sugar tax/VegetarianismFermi, percentages, ratio, fraction, real-life
Starters or full lesson
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Quibans 24 - TunnelsCrazy idea to build tunnels in CambridgeArea of circle, volume, real-life, calculationStarter
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Quibans 23 - Custard CreamsBiscuit shortage!Fermi, real-life, calculations, estimationStarter
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Quibans 22 - AdeleAdele's album salesRatio, units, real-life, estimationStarter
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Quibans 21 - Shoppers fail to spot cheapest deals
Story about public being unable to work out cheapest deals
Ratio/proportion questions, units, money, percentagesStarter/full lesson
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Quibans 20 - Three short Quibans (from 'Go Figure')
Chai Latte/Indian phones/Coffee Pods
Fermi, exchange rates, proportion, calculations, real-life
Starters or full lesson
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Quibans 19 - Stolen Road
Bizarre story about Russian road being stolen and sold
Currency conversion, calculation, real-life, FermiStarter/full lesson
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Quibans 18 - Library booksVarious overdue library book storiesProportion, real-life, errors, moneyStarter
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Quibans 17 - Lee ChildHow long does it take him to write a book?Proportion, calculationsStarter
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Quibans 16 - The London UndergroundDifferent facts about the Tube
Estimation, speed/distance/time, real-life, volume, proportion, ratio
Full lesson
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Quibans 15 - ChairsArt installation: how many chairs are there?Estimation, volume, real-lifeStarter
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Quibans 14 - Refugees
Graphs showing original and destination of refugees
Fractions, real-life, multiplesStarter
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Quibans 13 - Age trickAlgebra 'trick' to determine age and shoe-sizeAlgebra, making expressions, errors, real-lifeStarter/full lesson
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Quibans 12 - SquashNumber of participants in the game of squashReal-life, fractions, predictions, percentagesStarter
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Quibans 11 - More SugarAmount of sugar in different foodsFractions, real-lifeStarter
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Quibans 10 - Train fares
Percentage of salary spent on train tickets across Europe
Percentages, percentage increaseStarter
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Quibans 9 - PopulationGlobal population increase, focus on AfricaPredictions, ratios, calculationsStarter
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Quibans 8 - Twitter
Twitter rumoured to be allowing 10,000-character tweets
Estimations, word-lengths, errorsStarter
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Quibans 7 - Spanish lotteryLottery win shared by a Spanish townCurrency conversion, calculationStarter
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Quibans 6 - Card to Mars
How much would it cost to send a card to Mars?
Conversion, area, estimationStarter
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Quibans 5 - SugarSugar intake for childrenComparisons, conversions, estimationStarter
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Quibans 4 - Gun deaths
Compare homicides in USA, Canada, Australia, UK
Rates, estimation, reading graphsStarter/full lesson
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Quibans 3 - Environmental impact of meat
George Monbiot article about CO2 emissionsProportionality, calculationsStarter
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Quibans 2 - Games ConsolesElectricity required to run an Xbox, etc.
Proportion, calculations, conversions, finding errors, money, time
Starter/full lesson
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Quibans 1 - Black FridaySales on the Amazon websiteProportion, calculations, conversionsStarter/full lesson
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What are Quibans?Background to the idea
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