Session 1 C O L U M N

Session 1 C O L U M N G R A P h Numeracy lesson and differentiation Content Environment Process Product

C O L U M N G R A P h We all have the same width Same width Key words Data: information Survey: a way of collecting information Column graph: Column graphs are an excellent way to show results that aren't continuous - especially samplings such as surveys. Conduct: organize and carry out.

Census: it is a survey that surveys the whole population or group. Horizontal axis: this is a line running across the graph. It has a label beneath it. Vertical axis: this is a line running up the side of a graph. It has a label next to it. Scale: The scales on horizontal or vertical axes are similar to the scales found on many measuring instruments. A scale is a series of numbers that are increasing or decreasing by the same amount. Part of the skill of interpreting a graph is reading the scales on the axes. Each scale will be labelled with the unit of measurement that has been used. What is a survey? Helps to find the views of the whole community or group Surveys are a primary source of information Uses questions Survey

A way of collecting information Census Surveys the whole population Sample Surveys a selected group ,,,. How to conduct a survey Type of sport Basket ball Volleyball

Socce r Netball Number of students 7 5 9 2 Graph your results 4-5Choose a suitable graph

3- Record your results in a table 2- Ask people your question 1- Think of a How to question conduct a survey DIFFERENT TYPES OF GRAPHS Colum n graph s Step graph s

Line graph s Types of graph s Bar graph s Sector graph s Pictur e graph s Column graph Column graphs have a series of vertical blocks. Column graphs can be distinguished from histograms

because the blocks always have gaps between them while histograms have no gaps. 30 25 20 15 10 5 0 Pu Ye Red G Use of column graphs A column graph is used to show relationships between groups. Column graphs are an excellent way to show results that are one time, that aren't continuous - especially samplings such as surveys.

Origin of the words graph and data How to construct a column graph. 1-Draw two axes: one vertical and one horizontal. Make sure you leave room at the edge of the page for your labels. 2- Always place numbers on the vertical axis. Non-numerical groups are on the horizontal axis 3- Label each axis 3- Columns should be of the same width and should not touch at all. 4- Leave half of the column width at the start. 5 - The scale should go up evenly and cover the largest and smallest values. 6- Include scientific units where appropriate. 7- Include a title to explain what the graph is about. Your title should start with: Graph of.. Things you should follow when drawing a column graph use grid paper Column graphs have a series of vertical blocks.

Leave half of the column width at the start Always place numbers (numerical groups)on the vertical axis. Columns should be of the same width and should not touch at all. use a pencil Draw in the two axes with a ruler Non-numerical groups are on the horizontal

axis. Graph of parents region of birth Columns The Vertical axis going up shows frequency (Numbers) Numbers are placed on the vertical axis Number of students Title 9 8

7 6 5 4 3 2 1 0 A gap at the start which is half of the column width (0.5 cm or 5mm) All columns should have the same width 1 cm Other

Legend Region of parents birth The horizontal axis (going across) shows the items The spacing between the columns is kept the same A census was carried out by 7A who has a total of 21 students to find out important information. This information include the following: Region of parents birth Region of students birth Month of birth Number of siblings This table shows parents region of birth of 7A 2014. Parents region of birth

Number of students Australia Pacific Islands Asia Middle East other 5 6 1 8 1

Draw a suitable graph for your data. Graph of parents region of birth Title Add a title Step 1: Draw the axes Step 2: Always place numbers on the vertical axis. Non-numerical group on the horizontal axis. Step 3: Label the axis Number of parents Step 4: Setting up the scales. Count how may squares represent 1 on vertical axis. On the horizontal axis, Leave 0.5 gap for the start (1 square) (half of the column width)

1 cm Step 5: Putting up the values and drawing the columns i as ddle t Ot he r M ia As ia l ra t us

ifi cI sla 0 nd s columns should be of the same width (1cm).. Region of parents birth Students to get a grid paper and draw one at the same time. Number of parents Graph of parents region of birth 9 8

7 6 5 4 3 2 1 0 8 5 6 Other 1 Region of parents birth 1 Number of parents

Graph of parents region of birth Region of parents birth Region of students birth Title Number of students 1 cm 6 0 ac ifi cI sla nd As s

ia M id dl e Ea st Ot he r 1 8 tra s Au lia Region of students birth Month of birth

Title Number of students 1st quarter = J,F,M 2nd quarter = A,M,J 3rd quarter = J,A,S 4th quarter = O,N,D 7 5 ar te rd r qu ar te r th

qu ar te r qu qu st r te r a nd 0 6 Month of birth

Month of birth Title Number of students Summer: D,J,F Autumn: M,A,M Winter: J,J,A Spring: S,O,N 8 Sp r n W in te r um

um er m ut 0 in g 4 4 Seasons 0 i 0s in

bl ib lin g 4 5 2 7+ g 2s ib lin 3 s gs i bl in g s 4s ib l

i ng s 5s i bl in g s si b lin gs 1s Number of students Title Number of siblings 1 Number of Siblings Station 2

Station 1 Station 3 Station 4 Feedback from each student and Evaluation Student feedback and evaluation Class: Date: Lesson: By Zani Alam

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