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Mathematics

More geometry, data handling and probability

Educator section

Memorandum

12.2

(a) 8

(b) 7,5 (7 and a half)

(c) 7,3

12.5 Internet

Leaner section

Content

Activity: methods to gather information [lo 5.1, lo 5.2, lo 5.3, lo 5.6, lo 5.9]

12. METHODS TO GATHER INFORMATION

12.1 Yes / No Answers

a) Interview any member of your family and tick the applicable block:

Yes No
Do you readily eat cabbage?
Do you like sport?
Do you watch TV longer than 2 hours per day?
Do you take any medication?
Do you suffer from asthma?
Do you like pizza?
Do you own a car?
Do you have brothers and/or sisters?
Are you the oldest child?
Do you work full-time?
Do you have high blood-pressure?
Do you think the petrol price will increase?
Do you think the interest rate will be increased this year?

b) Where, do you think, are questionnaires like this one regularly used?

_____________________________________________________________________

_____________________________________________________________________

12.2 Variety of answers

12.2.1 Now interview another family member and write down his/her answers:

a) What is your occupation? _________________________________________

b) How many children do you have? ___________________________________

c) What is your favourite TV program? ________________________________

d) What book have you read recently? _________________________________

e) What kind of car do you drive? ____________________________________

f) What kind of music do you like to listen to? __________________________

g) What is the greatest crisis in our country, do you think? _________________

_______________________________________________________________

h) What, according to you, must our government give immediate attention to? _______________________________________________________________

_______________________________________________________________

i) Why is the Rand so unsteady? ______________________________________

_______________________________________________________________

j) Why do food prices keep on rising? _________________________________

_______________________________________________________________

12.2.2 Divide into groups of three and compare your answers.

12.2.3 Where would questionnaires that have a variety of possible answers, normally be used?

_____________________________________________________________________

_____________________________________________________________________

12.3 Given information

  • Sometimes you get the answers you are looking for from given information.

a) Cut out an advertisement form the newspaper that advertises the most expensive house. Stick it in the block below.

b) Consult your advertisement and complete the following:

i) Price of the house: _______________________________________________

ii) Suburb/Town/City: ______________________________________________

iii) Number of bedrooms: ____________________________________________

iv) Number of bathrooms: ____________________________________________

v) Number of garages: ______________________________________________

vi) Other rooms mentioned:

Questions & Answers

what is mutation
Janga Reply
what is a cell
Sifune Reply
how is urine form
Sifune
what is antagonism?
mahase Reply
classification of plants, gymnosperm features.
Linsy Reply
what is the features of gymnosperm
Linsy
how many types of solid did we have
Samuel Reply
what is an ionic bond
Samuel
What is Atoms
Daprince Reply
what is fallopian tube
Merolyn
what is bladder
Merolyn
what's bulbourethral gland
Eduek Reply
urine is formed in the nephron of the renal medulla in the kidney. It starts from filtration, then selective reabsorption and finally secretion
onuoha Reply
State the evolution relation and relevance between endoplasmic reticulum and cytoskeleton as it relates to cell.
Jeremiah
what is heart
Konadu Reply
how is urine formed in human
Konadu
how is urine formed in human
Rahma
what is the diference between a cavity and a canal
Pelagie Reply
what is the causative agent of malaria
Diamond
malaria is caused by an insect called mosquito.
Naomi
Malaria is cause by female anopheles mosquito
Isaac
Malaria is caused by plasmodium Female anopheles mosquitoe is d carrier
Olalekan
a canal is more needed in a root but a cavity is a bad effect
Commander
what are pathogens
Don Reply
In biology, a pathogen (Greek: πάθος pathos "suffering", "passion" and -γενής -genēs "producer of") in the oldest and broadest sense, is anything that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ. The term pathogen came into use in the 1880s.[1][2
Zainab
A virus
Commander
Definition of respiration
Muhsin Reply
respiration is the process in which we breath in oxygen and breath out carbon dioxide
Achor
how are lungs work
Commander
where does digestion begins
Achiri Reply
in the mouth
EZEKIEL
what are the functions of follicle stimulating harmones?
Rashima Reply
stimulates the follicle to release the mature ovum into the oviduct
Davonte
what are the functions of Endocrine and pituitary gland
Chinaza
endocrine secrete hormone and regulate body process
Achor
while pituitary gland is an example of endocrine system and it's found in the Brain
Achor
what's biology?
Egbodo Reply
Biology is the study of living organisms, divided into many specialized field that cover their morphology, physiology,anatomy, behaviour,origin and distribution.
Lisah
biology is the study of life.
Alfreda
Biology is the study of how living organisms live and survive in a specific environment
Sifune
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Source:  OpenStax, Mathematics grade 7. OpenStax CNX. Sep 16, 2009 Download for free at http://cnx.org/content/col11075/1.1
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