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Wiskunde

Ruimte en vorm

Opvoeders afdeling

Memorandum

14

(a) 42

(b) 70

(c) 6

(d) 9

(e) 18

(f) 36

(g) 114

(h) 117

(i) 133

(j) 146

(k) 9

(l) 8

(m) 8

(n) 3

(o) 9

Leerders afdeling

Inhoud

Aktiwiteit: selfassessering [lu 1.8]

12.4 KOPKRAPPER!

’n Vliegtuig vlieg 200 km in die rigting 060 grade. Dan verander dit van rigting en vlieg 480 km verder in die rigting 110 grade. Kan jy die roete van die vliegtuig teken? (Wenk: 1 cm = 100 km. Trek weer ’n Noordlyn wanneer van rigting verander word. )

13. Tyd vir selfassessering

  • Merk die toepaslike blokkie:
JA NEE
Ek weet wat “Geometrie” beteken __ __
Ek kan die volgende begrippe verduidelik:
  • punt
__ __
  • lyn
__ __
  • lynsegment
__ __
  • halflyn / straal
__ __
  • paralelle lyne
__ __
  • loodregte lyne
__ __
Ek weet in watter drie rigtings lyne loop __ __
Ek weet hoe groot die volgende hoeke is:
  • omwenteling
__ __
  • inspringende hoek
__ __
  • gestrekte hoek
__ __
  • stomphoek
__ __
  • regte hoek
__ __
skerphoek __ __
Ek kan hoeke korrek met ’n gradeboog teken __ __
Ek kan rigtings in grade aandui __ __

14. Kom ons kyk eers hoe vaar jy in die volgende hoofrekentoets.

a) 6 x 7 = _______________________

b) 14 x 5 = ______________________

c) 54 ÷ 9 = ______________________

d) 63 ÷ 7 = ______________________

e) 26 – 8 = ______________________

f) 43 – 7 = ______________________

g) 123 – 9 = _____________________

h) 132 – 15 = ____________________

i) 114 + 19 = ____________________

j) 13 + 118 + 15 = _______________

k) ¼ van 36 = _____________________

l) ¹/³ van 24 = _____________________

m) ¹/ 8 van 64 = _____________________

n) ¹/ 6 van 18 = _____________________

o) ¹/ 5 van 45 = _____________________

  • Voltooi: Ek het......................... antwoorde reg.

Assessering

Leeruitkomste 1: Die leerder is in staat om getalle en die verwantskappe daarvan te herken, te beskryf en voor te stel, en om tydens probleemoplossing bevoeg en met selfvertroue te tel, te skat, te bereken en te kontroleer.

Assesseringstandaard 1.8: Dit is duidelik wanneer die leerder hoofberekeninge doen wat kwadrate van natuurlike getalle tot minstens 10 2 en derdemagswaardes van natuurlike getalle tot minstens 5 3 behels.

Questions & Answers

if three forces F1.f2 .f3 act at a point on a Cartesian plane in the daigram .....so if the question says write down the x and y components ..... I really don't understand
Syamthanda Reply
hey , can you please explain oxidation reaction & redox ?
Boitumelo Reply
hey , can you please explain oxidation reaction and redox ?
Boitumelo
for grade 12 or grade 11?
Sibulele
the value of V1 and V2
Tumelo Reply
advantages of electrons in a circuit
Rethabile Reply
we're do you find electromagnetism past papers
Ntombifuthi
what a normal force
Tholulwazi Reply
it is the force or component of the force that the surface exert on an object incontact with it and which acts perpendicular to the surface
Sihle
what is physics?
Petrus Reply
what is the half reaction of Potassium and chlorine
Anna Reply
how to calculate coefficient of static friction
Lisa Reply
how to calculate static friction
Lisa
How to calculate a current
Tumelo
how to calculate the magnitude of horizontal component of the applied force
Mogano
How to calculate force
Monambi
a structure of a thermocouple used to measure inner temperature
Anna Reply
a fixed gas of a mass is held at standard pressure temperature of 15 degrees Celsius .Calculate the temperature of the gas in Celsius if the pressure is changed to 2×10 to the power 4
Amahle Reply
How is energy being used in bonding?
Raymond Reply
what is acceleration
Syamthanda Reply
a rate of change in velocity of an object whith respect to time
Khuthadzo
how can we find the moment of torque of a circular object
Kidist
Acceleration is a rate of change in velocity.
Justice
t =r×f
Khuthadzo
how to calculate tension by substitution
Precious Reply
hi
Shongi
hi
Leago
use fnet method. how many obects are being calculated ?
Khuthadzo
khuthadzo hii
Hulisani
how to calculate acceleration and tension force
Lungile Reply
you use Fnet equals ma , newtoms second law formula
Masego
please help me with vectors in two dimensions
Mulaudzi Reply
how to calculate normal force
Mulaudzi
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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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