1. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Graphs & Tables www.mathsrevision.com Composite Graphs. Scattergraphs Interpreting Tables Pie-Charts

2. N5 Num 16-Feb-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

3. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com 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

4. Come up with a question for the graph

6. 14 000 2002 20000

7. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Stem Leaf Graphs Back to Back Stem – Leaf Graphs 14026 1534 16016 1716 18144 Rugby Team 2 Heights 14 | 1 represents 141cm 78 21 76 4 508 31346 70 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.

8. 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 6 8 8 9 0 1 2 2 3 6 7 9 2 2 4 n = 156 / 2 means £6.20 567567 Pocket money Note this gives us the same diagram as the previous example. This shows the importance of the title and key.

9. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 1 Ch9 (page 85) www.mathsrevision.com Interpreting Graphs

10. N5 Num 16-Feb-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com Construct your own Percentage Question

11. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com 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.

12. 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

13. 16-Feb-16Created by Mr.Lafferty Maths Dept Pie Charts www.mathsrevision.com 50 people were asked what was there favourite holiday How many chose America Spain

14. 16-Feb-16 Total300 Rugby Football Cricket Ice Hockey 75 90 45 60 Favourite Sport Squash 30 90 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

15. 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 35 10 15 5 Musical Instrument Keyboard25

16. 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 35 10 15 5 Musical Instrument Keyboard25

17. 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 35 10 15 5 Musical Instrument Keyboard25

18. 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 35 10 15 5 Musical Instrument Keyboard25 Guitar

19. 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 35 10 15 5 Musical Instrument Keyboard25 Guitar Violin

20. 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 35 10 15 5 Musical Instrument Keyboard25 Guitar Violin

21. 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 35 10 15 5 Musical Instrument Keyboard25 Guitar Violin Recorder

22. 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 35 10 15 5 Musical Instrument Keyboard25 Guitar Violin Recorder

23. 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 35 10 15 5 Musical Instrument Keyboard25 Guitar Violin Recorder Drum Keyboard

24. 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 35 10 15 5 Musical Instrument Keyboard25 Guitar Violin Recorder Drum Keyboard 140 o 100 o 60 o 40 o 20 o

25. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 2 Ch9 (page 89) www.mathsrevision.com Interpreting Graphs

26. N5 Num 16-Feb-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

27. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com 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

28. 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com 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.

29. (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

30. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Scattergraphs Construction of Scattergraph Is there a correlation? If yes, what kind? Age Price (£1000) 3 1 1 2 3 3 4 4 5 9 8 8 7 6 5 5 4 2 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

31. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 3 Ch9 (page 91) www.mathsrevision.com Scattergraph

32. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Starter Questions Starter Questions www.mathsrevision.com 10cm 2cm

33. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com 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

34. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try Lifeskills Ex 3 Ch11 (page 93) www.mathsrevision.com Interpreting Graphs

35. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Starter Questions Starter Questions www.mathsrevision.com

36. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria Constructing Graphs 1. We are learning to interpret tables. 1.Be able to interpret tables.

42. N5 Num 16-Feb-16Created by Mr. Lafferty Maths Dept. Now try N5 Lifeskills Ex 4 Ch9 (page 93) www.mathsrevision.com Interpreting Graphs Have you updated your Learning Log ?