PART SPRING first half HANDLING DATA SECTION Line graphs SECTION Pie charts and bar charts SECTION Information from tables and lists CROWN COPYRIGHT 00
NOTES FOR THE TEACHER HANDLING DATA SUGGESTED TIME hours º TEACHING OBJECTIVES Represent and interpret data in a line graph (for example, the weight of a baby at monthly intervals from birth to one year). Recognise when points can be joined to show trends. Solve a problem by extracting and interpreting information presented in tables, graphs and charts. SECTION Line graphs SECTION Pie charts and bar charts SECTION Information from tables and lists HOMEWORK All of the Star Challenges can be used as follow-up activities. CROWN COPYRIGHT 00 90
PART CHECKLIST Unit Checklist for pupils Line graphs You will: read and interpret information from line graphs understand the meaning of intermediate points on a graph Pie graphs and bar charts You will: read and use information from pie charts read and use information from bar charts Information from tables and lists You will: read and interpret information from tables and lists CROWN COPYRIGHT 00 9
SECTION : LINE GRAPHS DIRECT TEACHING POINTS Discuss the appropriateness of joining up the points on each of the graphs. Establish when intermediate points have meaning and when they do not. Discuss whether joining the points helps to show a trend. In exercise, the intermediate points have meaning. Emphasise that they are estimates, not actual temperature readings, and that the estimate for.0 am is likely to be fairly good, while that for pm is likely to be less accurate. In exercise, intermediate points have no meaning, but joining the points may help to see the pattern of sales. In exercise, intermediate points have meaning and the graph can be extended to read off further values. KEY VOCABUL ARY line graph intermediate points TO LEAR USE AND CROWN COPYRIGHT 00 9
PART SECTION Line graphs The temperature graph Pupils in a Year class kept a record of the classroom temperature. The points on this graph have been joined with lines. The values between the plotted points are all estimates, not actual values. Estimates between two plotted points are usually more accurate than values obtained by extending a graph. Temperature C 0 0 9.00 am 0.00.00.00.00.00.00.00.00 Time pm At what time was the first temperature taken?... At what time was the last temperature taken?... What was the highest temperature recorded?... C At what time was the highest temperature recorded?... CROWN COPYRIGHT 00 What was the lowest temperature recorded?... C What was the temperature at.00 am?... C (a) Read the temperature at.0 am.... C (b) Would this temperature be the actual temperature at.0 am, or an estimate?... Estimate the temperature at pm.... C 9
PART SECTION Line graphs The sales graph This is the sales graph for a company which makes toys called Whizzbangs. Sales Graph 9 Sales in thousands 0 Jan Feb Mar Apr May Jun Jul Aug Sep Months in Year 000 How many months does the graph cover?... How many Whizzbangs were sold in April?... How many Whizzbangs were sold in July?... Which month had the lowest sales?... Which month had the highest sales?... Do points between the plotted points have a meaning?... Explain your answer.......... CROWN COPYRIGHT 00 Why might the sales be higher in summer?...... 9
PART SECTION Line graphs The currency conversion graph You can use the values between the plotted points, and extend the graph to give you more values. 0 00 90 0 Conversion graph French Francs < > Pounds ( ) French Francs 0 0 0 0 0 0 0 0 0 0 British Pounds ( ) Molly wants to change her British money into French Francs. How many francs would she get for 0?...francs CROWN COPYRIGHT 00 How many francs would she get for?...francs What are 0 francs worth in?... What are francs worth in?... What is worth in francs?...francs Can you use the graph to work out what 00 is worth in francs?... 9
PART SECTION ANSWERS " Car sales Line graphs Number of cars sold Car sales 00 0 0 0 0 00 0 0 0 0 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 99 99 All correct star Which month had the lowest sales?... Most cars were sold in the month when the car registration letter changed. Which month was that?... In which months were fewer than 0 cars sold?... How many cars were sold in September?... Number of cars sold Car sales 00 0 0 0 0 00 0 0 0 0 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 999 999 Which month had the lowest sales?... In which months were more than 0 cars sold?... The registration letter changed twice this year. In which two months did it change?... Is it sensible to join the points on this graph?... CROWN COPYRIGHT 00 Explain your answer....... 9
SECTION : PIE CHARTS AND BAR GRAPHS SECTION : INFORMATION FROM TABLES AND LISTS DIRECT TEACHING POINTS Section exercises and are basic examples and are suitable for class or group discussion. Work on bar charts is consolidated in Star Challenge. Star Challenge extends the work on pie charts to use simple fractions of a complete circle. You can also use topical examples drawn from newspapers and magazines. KEY TO VOCABUL ARY LEAR USE AND pie chart sector multiple bar chart table list information CROWN COPYRIGHT 00 9
PART SECTION Pie charts and bar charts The darts competition 0 Number of wins Sally Chip Roy Kaz Yusuf Meg Competitors How many matches did Sally win?... How many matches did Meg win?... Who was the best player?... Who was the worst player?... How many matches were there?... Number of wins 0 Darts on target Darts thrown Sally Chip Roy Kaz Yusuf Meg Competitors Roy had throws. How many were on target?... Who had the most misses?... Who hit the target most often?... CROWN COPYRIGHT 00 9 0 Who had the least number of misses?... On this form, who do you think should win the final match? Give a reason why.... 9
PART SECTION Pie charts and bar charts Reading simple pie charts Pulp Blur Travis Oasis boys chose their favourite pop group. How many chose Pulp?... How many chose Blur?... How many chose Oasis?... My stamp collection I have 00 stamps in my collection. How many stamps do I have?... How many stamps do I have?... How many stamps do I have?... " Tree planting Six friends want to plant some trees at their school. They need to raise some money to buy the trees. All correct star Amounts of money raised so far Adi Peter Karen Lorna Errol Salif CROWN COPYRIGHT 00 0 9 0 Amount in pounds ( ) Who has raised the most money so far?... How much has Lorna raised?... How much has Salif raised?... They need to raise 0 to buy the trees. How much more do they still need to raise?... 99
PART SECTION Pie charts and bar charts " Pie charts Colour of cars in the car park 0 correct stars -9 correct star blue red 90º º others º white There are 0 blue cars in the car park. (a) How many cars are white?... (b) How many cars are red?... (c) How many cars are there altogether?... (d) How many others are there?... The pie chart below shows where space explorers spent their holidays in the solar system in 9. 0 explorers went to Earth. Complete the table, using the information in the pie chart. Venus Saturn 0º 90º 0º 90º Earth Mars Holiday Angle Number of destinations on space pie chart explorers Earth 0 0 Mars Venus Saturn CROWN COPYRIGHT 00 Holiday destinations 00
PART SECTION Information from tables and lists Household goods Own Rent Video Microwave Dishwasher Computer Mobile a TV a TV Recorder Cooker Phone Smith Brown Kuri Green Ono 9 0 How many of these families own a dishwasher?... How many of these families own a video recorder?... How many of these household goods has the Kuri family?... Which family has the least number of these goods?... How many families own a TV?... How many of these families rent or own a TV?... How many TVs do these families have altogether?... How many families have a computer?... Which two families do not have a mobile phone?... Which family has a dishwasher but no microwave?... Fly to the USA Travel Cheap New York 0 Miami Washington 9 Los Angeles 0 Wanderer Chicago Los Angeles Washington New York 0 Out of this World Miami 9 New York Washington Chicago Cheapest and Best Chicago New York 0 Los Angeles 0 Washington CROWN COPYRIGHT 00 What does it cost to fly to New York with Wanderer?... What does it cost to fly to Los Angeles with Travel Cheap?... Which company does not give a price to fly to Los Angeles?... How much is the cheapest flight to: New York?... Chicago?... Miami?... Which company offers the cheapest flight to: Los Angeles?... Washington?... 0
PART SECTION Information from tables and lists " Yesterday s weather around the world 9-0 correct star Max Weather Temp ( C) Ajaccio (Corsica) S Athens (Greece) R Beijing (China) Sh Berlin (Germany) Th Boston (USA) Cl Cairo (Egypt) Cl 0 Dallas (USA) S Dublin (Ireland) R Max Weather Temp ( C) Helsinki (Finland) Cl Hong Kong (China) F Istanbul (Turkey) Cl Lima (Peru) F 9 Lisbon (Portugal) F Madrid (Spain) Cl New York (USA) R Paris (France) Th Th thundery S sunny F fair Sh showery R rain Cl cloudy What was the maximum temperature in Athens?... What was the maximum temperature in Dallas?... Which place was warmer, Helsinki or Madrid?... What was the weather in New York?... Which was hotter, Cairo or Madrid?... Which place had the highest temperature?... Name two places that had a maximum temperature of C....... 9 0 Which two places had thundery weather?...... Which place was the coldest?... Three places had rainy weather. Which of these three was the warmest?... CROWN COPYRIGHT 00 0
PART SECTION Information from tables and lists " The castle visit All correct star Peckforton Castle Cost per person Adults.0 Children.0 ( and over) Children p (under ) Visit the haunted room and meet the ghost. 0p per adult 0p per child Sara is twelve years old. How much will it cost Sara to visit the castle?... Asif and Vikram are nine and ten years old. They are going to the castle with their mother. How much will it cost for all three of them to get into the castle?... CROWN COPYRIGHT 00 Ten children (all under ) and two teachers are going to visit the castle. How much will it cost?... Mr and Mrs Young, Luke (), Joanne (9) and Connor () visited the castle, and also went into the haunted room. What was the total cost of their visit?... 0
PART ANSWERS Unit Answers Section Line graphs The temperature graph 9.00 am C C (a) C (b) estimate.00 pm.00 pm C C The sales graph 9 months March 000 May 00 No. There are no dates between each of the months on the graph, so you cannot have sales figures for them. Summer toy (or other valid reason). The currency conversion graph 00 francs 0 francs 0 francs.0 Yes, 000 francs Section Pie charts and bar charts The darts competition 0 Roy 0 Yusuf 9 Roy Meg Chip 0 Roy. He gets the greatest proportion of shots on target. Reading simple pie charts,, 0, 0, 00 Section Information from tables and lists Household goods 9 9 Brown, Kuri CROWN COPYRIGHT 00 Brown 0 Ono Fly to the USA 0 Out of this World Cheapest and Best 0 0 9 Out of this World 0
PART ANSWERS Unit Answers Star Challenge answers CROWN COPYRIGHT 00 " " " " " Car sales July August Feb, June, July, Dec February March, April, September March, September 0 No. The points between have no meaning. Tree planting Adi 0 Pie charts (a) (b) 0 (c) 0 (d) 90 0 0 90 Yesterday s weather around the world Madrid Rain Cairo The castle visit 0 Hong Kong Dublin and New York Berlin and Paris Boston Athens.0.0.00 0.0 9 All correct star All correct star 0 correct stars -9 correct star 9-0 correct star All correct star 0