N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Graphs & TablesComposite Graphs. Scattergraphs Interpreting Tables Pie-Charts N5 Num 16-Feb-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept.Learning Intention Success Criteria 2.Solve problems involving graphs. 1.To explain how to interpret various graphs. 1.Understand key information on various graphs. Interpreting Graphs Come up with a question for the graph N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept.Stem Leaf Graphs Back to Back Stem Leaf Graphs Rugby Team 2 Heights 14 | 1 represents 141cm n = 15 Rugby Team 1 Heights A back to back stem-leaf helps us to compare two sets of data. Write down a question that can be answered easily from the graph. A group of students were asked how much pocket money they get. The results were. 6.60 6.90 6.20 5.80 7.40 5.60 6.70 7.20 6.10 6.20 5.90 6.00 7.20 5.80 6.30 Draw a Stem and Leaf diagram to show this n = 156 / 2 means Pocket money Note this gives us the same diagram as the previous example. This shows the importance of the title and key. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 1 Ch9 (page 85)Interpreting Graphs N5 Num 16-Feb-16Created by Mr.Lafferty Maths Dept Starter Questions Starter QuestionsConstruct your own Percentage Question N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept.Learning Intention Success Criteria Pie Charts Constructing Pie Charts 1.We are learning to interpret and construct Pie-Charts. 1.Be able to interpret a Pie-Chart. 2.Be able to construct a Pie-Chart. 16-Feb-16Created by Mr. Lafferty12 The pie chart shows the results of a class survey into favourite restaurant food. Chinese French Indian Italian Pie Charts ItalianFrench Write down the fraction of the class that choose ChineseIndian 16-Feb-16Created by Mr.Lafferty Maths Dept Pie Charts50 people were asked what was there favourite holiday How many chose America Spain 16-Feb-16 Total300 Rugby Football Cricket Ice Hockey Favourite Sport Squash o 108 o 54 o 72 o 36 o Drawing Pie Charts In a survey, 300 people were asked to indicate which one of five sports they liked best. Using the graph calculate the number people who liked each sport. Rugby Football Cricket Ice Hockey Squash Total Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Total90 Guitar Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Guitar Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Guitar Violin Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Guitar Violin Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Guitar Violin Recorder Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Guitar Violin Recorder Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Guitar Violin Recorder Drum Keyboard Total90 Drawing Pie Charts In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart. Guitar Violin Recorder Drum Musical Instrument Keyboard25 Guitar Violin Recorder Drum Keyboard 140 o 100 o 60 o 40 o 20 o N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 2 Ch9 (page 89)Interpreting Graphs N5 Num 16-Feb-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept.Learning Intention Success Criteria 2.Be able to construct a scattergraph. 1.We are learning to interpret and construct a scattergraph. 1.Be able to interpret a scattergraph. Scattergraphs 16-Feb-16Created by Mr. Lafferty Maths Dept.Scattergraphs Sam Jim Tim Gary Joe Dave Bob This scattergraph shows the heights and weights of a sevens football team Write down the height and weight of each player. (b)Estimate height if weight is 30kgs Height and Weight Data was collected on pupils weight and height. Data is plotted below. (a)Is there connection between height and weight. (c) Estimate weight if height is 130cm. h = 90 cm w = 40kgs As weight increases height increases N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept.Scattergraphs Construction of Scattergraph Is there a correlation? If yes, what kind? Age Price (1000) S t r o n g n e g a t i v e c o r r e l a t i o n Draw in the best fit line N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 3 Ch9 (page 91)Scattergraph N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Starter Questions Starter Questions10cm 2cm N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept.Learning Intention Success Criteria 2.Solve problems involving stem leaf diagrams. 1.To explain how to interpret a stem leaf diagrams. 1.Understand how to interpret a stem leaf diagram. Stem Leaf Diagrams N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try Lifeskills Ex 3 Ch11 (page 93)Interpreting Graphs N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Starter Questions Starter Questions N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept.Learning Intention Success Criteria Constructing Graphs 1. We are learning to interpret tables. 1.Be able to interpret tables. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 4 Ch9 (page 93)Interpreting Graphs Have you updated your Learning Log ?