Grade 8 - Revision | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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Grade 8 - Revision

Study Slideshow

Primary data

Information that you collect yourself

15

What is it?

Carry out an experiment

15

What is it?

Ask a question

15

Secondary data

Data that someone else has already collected

15

3 ways to collect primary data

Carry out a survey, Ask people a questions, Carry out an experiment

15

3 ways to collect secondary data

Look on the internet, Look on the books, Look on the newspaper and magazines

20

Would you collect primary data or secondary data to answer the following questions? What is the favourite colour of the students in your class?

Primary data

15

Would you collect primary data or secondary data to answer the following questions? What is the most popular make of car in your country?

Answer: Secondary data

15

If you were doing a survey, which units shown on the right would you use to measure: The distance a person can cycle in 1 hour

Answer: kilometres

10

Would you collect primary data or secondary data to answer the following questions? Which sport is played by the most students in your school?

Answer: Primary data

20

This is a table in which you use tally marks to fill in response

Data-collection sheet

5

a table that lists items and shows the number of times the items occur

Frequency table

10

tally chart

biểu đồ kiểm kê

10

polygon that has 5 sides, or 6 sides

pentagon or hexagon

5

quadrilateral that has 2 pair of parallel sides

parallelogram

25

quadrilateral that has 1 pair of parallel sides

trapezoid/trapezium

10