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1 | Title/Link | Further info | Maths topics | Suggested usage | ||||||||||||||||||||||

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3 | Quibans 70 - Commuting by train | Figures - calculate with these | Percentages - lots | Starter | ||||||||||||||||||||||

4 | Quibans 69 - QR code of trees | How many trees are in each pixel? | Conversions (currency, units) | Starter/Lesson | ||||||||||||||||||||||

5 | Quibans 68 - Human Chain | People made a chain to save a drowning family | Estimation, bounds, calculations | Starter | ||||||||||||||||||||||

6 | Quibans 67 - General Election Graphs | Infographics about the election | Criticism, graphs, displaying data | Full lesson | ||||||||||||||||||||||

7 | Quibans 66 - Paris Climate Accord | Article (with pointless graph) to criticise | Criticism, graphs, explanation | Homework | ||||||||||||||||||||||

8 | Quibans 65 - Primary School Breakfast Club | Mistakes in Conservative Party election plans | Estimating, criticism, fermi, calculations | Starter/Lesson | ||||||||||||||||||||||

9 | Quibans 64 - Diane Abbott | Car-crash interview during election campaign | Listen to radio interview, pick out numbers, decide accuracy | Starter/Lesson | ||||||||||||||||||||||

10 | Quibans 63 - Car Crime | Car crime in areas of Cambs | pmcc, conclusions, proportion | Starter | ||||||||||||||||||||||

11 | Quibans 62 - TV debate | Theresa May avoided TV debate | Estimation, calculating, explaining | Starter | ||||||||||||||||||||||

12 | Quibans 61 - Easter Eggs | Link Easter eggs with exercise required to burn them off | pmcc, conclusions, proportion, comparisons | Starter | ||||||||||||||||||||||

13 | Quibans 60 - Two short Quibans - United Airlines / Carers | Two short comparisons | percentages, comparisons, estimates | Starter | ||||||||||||||||||||||

14 | Quibans 59 - Greenpeace vs Coke | Recycle your bottles! | Percentages, calculations | Starter | ||||||||||||||||||||||

15 | Quibans 58 - Term-time holidays | Fines for parents | Percentages, calculations, criticism | Starter | ||||||||||||||||||||||

16 | Quibans 57 - Tolkien Reading Day | How long it will take to read all of the Lord of the Rings | Rate, speed, Fermi | Starter/Lesson | ||||||||||||||||||||||

17 | Quibans 56 - All you can eat | How much Brits spend eating out | Fermi problem, averages, criticism | Starter | ||||||||||||||||||||||

18 | Quibans 55 - Super Bowl in Space | Throw an american football in the Space Station | Convert units, speed/dist/time | Starter | ||||||||||||||||||||||

19 | Quibans 54 - Terrorism vs gun violence | Comparison graphs | Percentages, rates, averages | Starter | ||||||||||||||||||||||

20 | Quibans 53 - Trump's Wall | How much will it cost? | Volume, cost, calculations | Starter | ||||||||||||||||||||||

21 | Quibans 52 - Big Mexican Food | Biggest cake in the world | Convert units, bounds, calculations, finding errors | Starter | ||||||||||||||||||||||

22 | Quibans 51 - Monster Carrots | Error in article - how big are the carrots? | Estimation, Fermi, length calculations | Starter | ||||||||||||||||||||||

23 | Quibans 50 - A million cyclists | Cyclist counter in Cambridge | Rate, time calculations, percentage, tax | Starter | ||||||||||||||||||||||

24 | Quibans 49 - Bike thefts | Cambridge, bike theft capital | Percentages, calculations | Starter | ||||||||||||||||||||||

25 | Quibans 48 - Trump and the pollsters | Ridiculous probability comparison | Probability, combined events, percetanges, use of prob | Starter/Lesson | ||||||||||||||||||||||

26 | Quibans 47 - Shortest flights | The shortest scheduled aeroplane journeys | Average speed, time calculations, ratio | Starter/Lesson | ||||||||||||||||||||||

27 | Quibans 46 - Commuting in London | Average time for a commute | Average, surveys, calcuations with time, sampling | Starter | ||||||||||||||||||||||

28 | Quibans 45 - Army fitness | Soldiers who fail fitness tests | Percentage, ratio, upper/lower bounds | Starter | ||||||||||||||||||||||

29 | Quibans 44 - Glastonbury | Tickets sell out fast | Rate, proportion, speed | Starter | ||||||||||||||||||||||

30 | Quibans 43 - Buy Apple in the Big Apple | Is it cheaper to fly to NY to buy a MacBook ? | Convert currency, travel plans/costs, explanations | Full lesson | ||||||||||||||||||||||

31 | Quibans 42 - Brexit 1 | Financial centres of countries | infographics, graphs, percentages, proportions | Starter/full lesson | ||||||||||||||||||||||

32 | Quibans 41 - Phil Collins | Alcohol consumption | Rounding, percentages, problem-solving | Starter | ||||||||||||||||||||||

33 | Quibans 40 - Tom (Cruise + Hanks) | Won't need more money until they are 1000 ? | compound interest, cost of living | Starter/full lesson | ||||||||||||||||||||||

34 | Quibans 39 - Injured Cyclists | Number of cyclists injured in Cambs each year | Percentages, reverse percentages | Starter/full lesson | ||||||||||||||||||||||

35 | Quibans 38 - Skittles | Donald Trump Jr and his refugee analogy | Volume, Fermi, probability | Starter | ||||||||||||||||||||||

36 | Quibans 37 - Say "please" | Cafe charges polite customers less for coffee | Exchange rate, percentages | Starter | ||||||||||||||||||||||

37 | Quibans 36 - School exclusions for assault | Assaults on pupils and adults in primary/secondary schools | Graphs, correlation | Full lesson | ||||||||||||||||||||||

38 | Quibans 35 - Copper coins | Disgruntled parent pays fine in 1p and 2p coins | Problem solving, weight, estimation, convert units | Starter | ||||||||||||||||||||||

39 | Quibans 34 - It's May vs Leadsom | Conservative leadership election | Problem solving, percentages | Starter | ||||||||||||||||||||||

40 | Quibans 33 - EU Referendum | Results from the Brexit referendum | Percentages, rounding errors | Starter/full lesson | ||||||||||||||||||||||

41 | Quibans 32 - Boring Tunnels | New Swiss tunnel | Volume, exchange rates, Fermi | Starter/full lesson | ||||||||||||||||||||||

42 | Quibans 31 - Olympic preprations | Numbers related to the upcoming Rio games | Calculations, estimations | Starter | ||||||||||||||||||||||

43 | Quibans 30 - Footballers' salaries | Exploring the astronomical sums paid to footballers | Estimation, calculations, percentages, time | Full lesson | ||||||||||||||||||||||

44 | Quibans 29 - Slugs | More slugs than usual in British gardens | Estimation, calculations, real-life | Starter | ||||||||||||||||||||||

45 | Quibans 28 - Food activity icons | Food labels to show how much exercise would burn it off | Proportion, conversions, real-life | Starter | ||||||||||||||||||||||

46 | Quibans 27 - Cheap jeans | Lidl's jeans - worker pay | Percentages, calculations, real-life, VAT | Full lesson or HW | ||||||||||||||||||||||

47 | Quibans 26 - Fewer Shoppers | Fewer people in Cambridge - why? | Real-life, calculations, rounding, error | Starter | ||||||||||||||||||||||

48 | Quibans 25 - 3 short food & drink stories | Recycled coffee cups/Sugar tax/Vegetarianism | Fermi, percentages, ratio, fraction, real-life | Starters or full lesson | ||||||||||||||||||||||

49 | Quibans 24 - Tunnels | Crazy idea to build tunnels in Cambridge | Area of circle, volume, real-life, calculation | Starter | ||||||||||||||||||||||

50 | Quibans 23 - Custard Creams | Biscuit shortage! | Fermi, real-life, calculations, estimation | Starter | ||||||||||||||||||||||

51 | Quibans 22 - Adele | Adele's album sales | Ratio, units, real-life, estimation | Starter | ||||||||||||||||||||||

52 | Quibans 21 - Shoppers fail to spot cheapest deals | Story about public being unable to work out cheapest deals | Ratio/proportion questions, units, money, percentages | Starter/full lesson | ||||||||||||||||||||||

53 | 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 | ||||||||||||||||||||||

54 | Quibans 19 - Stolen Road | Bizarre story about Russian road being stolen and sold | Currency conversion, calculation, real-life, Fermi | Starter/full lesson | ||||||||||||||||||||||

55 | Quibans 18 - Library books | Various overdue library book stories | Proportion, real-life, errors, money | Starter | ||||||||||||||||||||||

56 | Quibans 17 - Lee Child | How long does it take him to write a book? | Proportion, calculations | Starter | ||||||||||||||||||||||

57 | Quibans 16 - The London Underground | Different facts about the Tube | Estimation, speed/distance/time, real-life, volume, proportion, ratio | Full lesson | ||||||||||||||||||||||

58 | Quibans 15 - Chairs | Art installation: how many chairs are there? | Estimation, volume, real-life | Starter | ||||||||||||||||||||||

59 | Quibans 14 - Refugees | Graphs showing original and destination of refugees | Fractions, real-life, multiples | Starter | ||||||||||||||||||||||

60 | Quibans 13 - Age trick | Algebra 'trick' to determine age and shoe-size | Algebra, making expressions, errors, real-life | Starter/full lesson | ||||||||||||||||||||||

61 | Quibans 12 - Squash | Number of participants in the game of squash | Real-life, fractions, predictions, percentages | Starter | ||||||||||||||||||||||

62 | Quibans 11 - More Sugar | Amount of sugar in different foods | Fractions, real-life | Starter | ||||||||||||||||||||||

63 | Quibans 10 - Train fares | Percentage of salary spent on train tickets across Europe | Percentages, percentage increase | Starter | ||||||||||||||||||||||

64 | Quibans 9 - Population | Global population increase, focus on Africa | Predictions, ratios, calculations | Starter | ||||||||||||||||||||||

65 | Quibans 8 - Twitter | Twitter rumoured to be allowing 10,000-character tweets | Estimations, word-lengths, errors | Starter | ||||||||||||||||||||||

66 | Quibans 7 - Spanish lottery | Lottery win shared by a Spanish town | Currency conversion, calculation | Starter | ||||||||||||||||||||||

67 | Quibans 6 - Card to Mars | How much would it cost to send a card to Mars? | Conversion, area, estimation | Starter | ||||||||||||||||||||||

68 | Quibans 5 - Sugar | Sugar intake for children | Comparisons, conversions, estimation | Starter | ||||||||||||||||||||||

69 | Quibans 4 - Gun deaths | Compare homicides in USA, Canada, Australia, UK | Rates, estimation, reading graphs | Starter/full lesson | ||||||||||||||||||||||

70 | Quibans 3 - Environmental impact of meat | George Monbiot article about CO2 emissions | Proportionality, calculations | Starter | ||||||||||||||||||||||

71 | Quibans 2 - Games Consoles | Electricity required to run an Xbox, etc. | Proportion, calculations, conversions, finding errors, money, time | Starter/full lesson | ||||||||||||||||||||||

72 | Quibans 1 - Black Friday | Sales on the Amazon website | Proportion, calculations, conversions | Starter/full lesson | ||||||||||||||||||||||

73 | What are Quibans? | Background to the idea | ||||||||||||||||||||||||

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