WBSED - 7 - Maths :: Bar Graphs

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Go To: WBSED-Mathematics-Grade 7

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[Author - Kripa S]


Objective: To explain other ways to organize data and draw charts

Subtopics to be covered:

- Bar graph, Double bar graph

- Read a bar graph to understand data depicted

Learning Outcome:

- Students can read data from a given graph and answer questions based on the data depicted

- Students can draw a graph to depict data given in a work problem


[Author - Kripa S]


http ://uphins.com/wp-content/uploads/2015/08/DATA-copy.png (data organization and graphs)

http://www.math-only-math.com/images/tally-mark-table.jpg (tally marks)

http://www.learnersdictionary.com/media/ld/images/legacy_print_images/bar_graph.gif (bar graph)

http://www.datavizcatalogue.com/methods/images/top_images/histogram.png (histogram)


[Author - Kripa S]


1. Make a measuring scale on a wall till 180 cm. Measure the height of every student in your class on that scale.

Group students with same height. Make a table of length and number of students with same height (eg: 100 cm, 110 cm 120 cm…)

Find the range, mean and median of your class height.

2. Collect last week's attendance attendance from your class. Make a table of how many students were present on the 6 days. (Monday, Tuesday, .... ). Check what is the average attendance of the class for the week

Draw a bar chart if you can on the attendance


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