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Wiskunde

Getalbegrip, optelling en aftrekking

Getalbegrip

Opvoeders afdeling

Memorandum

1.1 8

1.2 12

1.3 775

1.4 2 700

1.5 * +7

1.6 11

1.7 9 rem 3

1.8 9 000

1.9 6 248

1.10 504

1.11 350

1.12 200

1.13 45

1.14 8

1.15 6 rem 5

Leerders afdeling

Inhoud

Aktiwiteit: om hoofreken te kan doen [lu 1.9.1, lu 1.9.2]

1. Dit is nou eers weer tyd om te kyk of jy jou hoofrekenvaardighede kan verbeter. Werk so vinnig en akkuraat moontlik sonder ’n sakrekenaar:

1.1 ________ x 9 = 72 1.9

1.2 ________ x 8 = 96

1.3 5 000 − 4 225 = ________

1.4 2 575 + 125 = ________

1.5 (7 x ________ + 7 = 70

1.6 (5 x 9) − ________ = 34

1.7 84 ¸ 9 = ________

  • Round off to the nearest 1 000: 9 450: ________
  • Double: 3 124: ________

1.10 Halve 1 008: ________

1.11 250 + 25 + 75 = ________

1.12 (9 x 12) + 92 = ________

1.13 (12 x 12) − ________ = 99

1.14 (42 + ________) x 100 = 5 000

1.15 53 ¸ 8 = ________

Ek het _______________________________________ uit die 15 reg!

Kleur in: Ek het:

VERBETER VERSWAK DIESELFDE PUNT AS VIR MY EERSTE TOETS

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;

1.9.2: vermenigvuldiging van heelgetalle tot minstens 12 x 12.

Questions & Answers

calculate molarity of NaOH solution when 25.0ml of NaOH titrated with 27.2ml of 0.2m H2SO4
Gasin Reply
what's Thermochemistry
rhoda Reply
the study of the heat energy which is associated with chemical reactions
Kaddija
How was CH4 and o2 was able to produce (Co2)and (H2o
Edafe Reply
explain please
Victory
First twenty elements with their valences
Martine Reply
what is chemistry
asue Reply
what is atom
asue
what is the best way to define periodic table for jamb
Damilola Reply
what is the change of matter from one state to another
Elijah Reply
what is isolation of organic compounds
IKyernum Reply
what is atomic radius
ThankGod Reply
Read Chapter 6, section 5
Dr
Read Chapter 6, section 5
Kareem
Atomic radius is the radius of the atom and is also called the orbital radius
Kareem
atomic radius is the distance between the nucleus of an atom and its valence shell
Amos
Read Chapter 6, section 5
paulino
Bohr's model of the theory atom
Ayom Reply
is there a question?
Dr
when a gas is compressed why it becomes hot?
ATOMIC
It has no oxygen then
Goldyei
read the chapter on thermochemistry...the sections on "PV" work and the First Law of Thermodynamics should help..
Dr
Which element react with water
Mukthar Reply
Mgo
Ibeh
an increase in the pressure of a gas results in the decrease of its
Valentina Reply
definition of the periodic table
Cosmos Reply
What is the lkenes
Da Reply
what were atoms composed of?
Moses Reply
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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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