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Wiskunde

Persentasies

Opvoeders afdeling

Memorandum

  • a) (i) 1 8 size 12{ { { size 8{1} } over { size 8{8} } } } {} / 12 , 5 100 size 12{ { { size 8{"12",5} } over { size 8{"100"} } } } {} / 125 1000 size 12{ { { size 8{"125"} } over { size 8{"1000"} } } } {}

(ii) 3 20 size 12{ { { size 8{3} } over { size 8{"20"} } } } {}

  1. 15

( 1 4 size 12{ { { size 8{1} } over { size 8{4} } } } {} van 60)

  1. 9

(15–6)

22.2 a) 1 10 size 12{ { { size 8{1} } over { size 8{"10"} } } } {} van 24 = 2,4

2 uur 24 minute

b) Veldwerk

Fiksheid

c) 1 8 size 12{ { { size 8{1} } over { size 8{8} } } } {}

  1. 3,6 uur

3 uur 36 minute

Leerders afdeling

Inhoud

Aktiwiteit: sirkelgrafieke met persentasie (%) [lu 2.6, lu 5.8, lu 5.9]

22. SIRKELGRAFIEKE MET PERSENTASIE (%)

22.1 Bestudeer die volgende sirkelgrafiek saam met ’n maat en beantwoord dan die vrae wat volg:

’n Graad 7-klas se musieksmaak lyk so:

a) Watter breuk van die leerders hou van

(i) klassieke musiek? .........................

(ii) geestelike musiek? .........................

b) As daar 60 leerders in die klas is, hoeveel luister na “rap”?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

c) Hoeveel minder leerders luister na Boeremusiek as na “rap”?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

d) Wat is JOU gunsteling musiek?

…………………………………………………………………………………………..

22.2 Kyk ook na die sirkelgrafiek in verband met die Suid-Afrikaanse krieketspan se daaglikse roetine. Beantwoord die volgende vrae:

a) Hoeveel uur is daar per dag vir ontspanning?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

b) Waaraan word daar ewe veel tyd spandeer?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

c) Watter breuk van die dag word aan boulwerk bestee?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

d) Hoeveel uur per dag word aan fiksheidsoefeninge afgestaan?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

23. UITDAGING!

Kan jy ’n kolomgrafiek trek van enige van die bogenoemde sirkelgrafieke?

24. Tyd vir self-assessering

  • Maak ’n regmerkie in die toepaslike kolom:
JA NEE
Ek kan % van bedrae bereken (nr. 15.1 – 15.3)
Ek kan een hoeveelheid as ’n % van ’n ander hoeveelheid skryf (nr. 16.1 – 16.3)
Ek kan % afslag bereken
Ek kan % verhoging bereken
Ek kan wins bereken
Ek kan verlies bereken
Ek kan die BTW op items bereken
Ek kan sirkelgrafieke interpreteer en vrae daaroor beantwoord
Ek kan ’n kolomgrafiek trek

Assessering

Leeruitkomste 2: Die leerder is in staat om patrone en verwantskappe te herken, te beskryf en voor te stel en probleme op te los deur algebraïese taal en vaardighede te gebruik.

Assesseringstandaard 2.6: Dit is duidelik wanneer die leerder ‘n situasie beskryf deur ‘n grafiek daarvan te interpreteer, of ‘n grafiek van ‘n beskrywing van ‘n situasie teken (bv. die hoogte van ‘n wipwaentjie oor tyd; die spoed van ‘n resiesmotor wat om ‘n baan beweeg);

Leeruitkomste 5: Die leerder is in staat om data te versamel, op te som, voor te stel en krities te ontleed om gevolgtrekkings en voorspellings te maak en om toevallige variasie te interpreteer en te bepaal.

Assesseringstandaard 5.8: Dit is duidelik wanneer die leerder ‘n verskeidenheid grafieke met die hand of met behulp van tegnologie teken om data voor te stel en te interpreteer (gegroepeer en ongegroepeer),

Assesseringstandaard 5.9: Dit is duidelik wanneer die leerder data wat op verskeie maniere voorgestel is krities lees en interpreteer ten einde gevolgtrekkings en voorspellings te maak.

Questions & Answers

Discuss the differences between taste and flavor, including how other sensory inputs contribute to our  perception of flavor.
John Reply
taste refers to your understanding of the flavor . while flavor one The other hand is refers to sort of just a blend things.
Faith
While taste primarily relies on our taste buds, flavor involves a complex interplay between taste and aroma
Kamara
which drugs can we use for ulcers
Ummi Reply
omeprazole
Kamara
what
Renee
what is this
Renee
is a drug
Kamara
of anti-ulcer
Kamara
Omeprazole Cimetidine / Tagament For the complicated once ulcer - kit
Patrick
what is the function of lymphatic system
Nency Reply
Not really sure
Eli
to drain extracellular fluid all over the body.
asegid
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include: 1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Adama
what is anatomy
Oyindarmola Reply
Anatomy is the identification and description of the structures of living things
Kamara
what's the difference between anatomy and physiology
Oyerinde Reply
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
AI-Robot
what is enzymes all about?
Mohammed Reply
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
yes
Prince
how does the stomach protect itself from the damaging effects of HCl
Wulku Reply
little girl okay how does the stomach protect itself from the damaging effect of HCL
Wulku
it is because of the enzyme that the stomach produce that help the stomach from the damaging effect of HCL
Kamara
function of digestive system
Ali Reply
function of digestive
Ali
the diagram of the lungs
Adaeze Reply
what is the normal body temperature
Diya Reply
37 degrees selcius
Xolo
37°c
Stephanie
please why 37 degree selcius normal temperature
Mark
36.5
Simon
37°c
Iyogho
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature
Stephanie
37A c
Wulku
what is anaemia
Diya Reply
anaemia is the decrease in RBC count hemoglobin count and PVC count
Eniola
what is the pH of the vagina
Diya Reply
how does Lysin attack pathogens
Diya
acid
Mary
I information on anatomy position and digestive system and there enzyme
Elisha Reply
anatomy of the female external genitalia
Muhammad Reply
Organ Systems Of The Human Body (Continued) Organ Systems Of The Human Body (Continued)
Theophilus Reply
what's lochia albra
Kizito
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Source:  OpenStax, Wiskunde graad 7. OpenStax CNX. Oct 21, 2009 Download for free at http://cnx.org/content/col11076/1.2
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