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Wiskunde

Getalbegrip, optelling en aftrekking

Getalbegrip

Opvoeders afdeling

Memorandum

1. 4

2.1 2 4

2.2 3 3

2.3 6 6

2.4 5 5

2.5 1 5

2.6 7 2

2.7 3 6

  • Kom ons hersien

Verskil

Optelling

  • Onthou jy nog

Slegs 2 faktore het / net deur 1 en homself gedeel kan word.

Altyd deelbaar deur 2.

1. 13 – 7 5. 91 - 3

2. 31 – 3 6. 97 - 7

3. 53 – 5 7. 59 – 7

4. 71 – 11

Leerders afdeling

Inhoud

Aktiwiteit: om hoofreken te kan doen [lu 1.9.1]

1. Hoe akkuraat kan jy nog aftrek? Hieronder is ’n syfer versteek. Gebruik die leidrade om die korrekte blokkies in te kleur.

1.1 14 – 9

1.2 17 – 8

1.3 21 – 7

1.4 23 – 6

1.5 20 – 12

1.6 42 – 13

1.7 45 – 18

1.8 39 – 16

1.9 34 – 15

1.10 104 – 7

1.11 106 – 8

1.12 103 – 8

1.13 101 – 5

2 12 106 8 18 19
81 66 70 21 5 63
101 12 50 14 117 80
64 73 9 109 68 76
7 98 86 29 22 72
27 96 38 17 8 97
88 71 11 95 83 3

Watter syfer is versteek?___________________________________________

2. Nog pret!

Nou moet jy baie mooi dink. Onthou jy nog wat die “inverse” van aftrekking is? Dit help dikwels om vinnig die antwoord van ‘n aftreksom te bereken. Werk saam met ’n maat en kyk wie eerste kan sê wat die syfer is wat agter elke wolkie versteek is.

Kom ons hersien!

  • Onthou jy nog?

Die antwoord van ’n minus-som word die __________________________________

Die inverse van aftrekking is ____________________________________________

Assessering

Leeruitkomste 1: Die leerder is in staat om getalle en hul verwantskappe te herken, te beskryf en voor te stel. Hulle kan ook met bekwaamheid en vertroue tel, skat, bereken en kontroleer tydens die oplos van probleme.

Assesseringstandaard 1.9: Dit is duidelik wanneer die leerder hoofberekeninge uitvoer wat die volgende behels:

1.9.1: optelling en aftrekking.

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 6. OpenStax CNX. Sep 15, 2009 Download for free at http://cnx.org/content/col11072/1.1
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