Go To: APSB-Mathematics-Grade 7
[Author - Kripa S]
Objective: Explain how to organize data and draw graphs based on data inferred
Subtopics to be covered:
- Organize data in order, frequency, range of data
- Arithmetic mean, Mode and Median of data
- Bar graph, Double bar graphs, Tally marks, Frequency table
Learning Outcome:
- Students can create a frequency table with tally marks for a given set of data
- Students can read a bar graph and decipher data portrayed
- They can draw a bar graph based on the given data
[Author - Kripa S]
http://scert.telangana.gov.in/sites/default/files/publication/ebooks/7TM_MAT.pdf#page=150 (Telangana Board) (Telugu Medium)
http://apscert.gov.in/ebookapp/GeneratePdf (AP Board) (Telugu Medium)
http://scert.telangana.gov.in/sites/default/files/publication/ebooks/7EM_MAT.pdf#page=150 (Telangana Board) (English Medium)
http://apscert.gov.in/ebookapp/GeneratePdf (AP Board) (English Medium)
[Author - Kripa S, Vinaya Santhosh]
https://te.khanacademy.org/video?lang=te&format=lite&v=ieCIbCLCw_w ( (Khan Academy) సగటు, మధ్యగతం, బాహుళకము )
https://www.youtube.com/watch?v=Uwxa6Odl8Zo (Data Handling)
[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)
[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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