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Wiskunde

Desimale breuke

Opvoeders afdeling

Memorandum

10.1 1 2

  1. 5
  1. 8
  2. 3

6 7

7 4

  1. 1

5 6

10.3 a)<

b)>

c)<

d) =

e)<

f)>

Leerders afdeling

Inhoud

Aktiwiteit: ordening en vergelyking van desimale breuke [lu 1.3.2, lu 2.3.3, lu 5.7]

10. ORDENING EN VERGELYKING VAN DESIMALE BREUKE

10.1 Werk saam met ’n maat deur die uitslae van die volgende atlete met mekaar te vergelyk. Plaas die atlete dan in posisie van die wenner tot die laaste plek.

NAAM VERSPRING POSISIE HOOGSPRING POSISIE
Alec 6,1 m ................... 1,63 m ...................
Dimitri 4,85 m ................... 1,5 m ...................
Owen 5,9 m ................... 1,11 m ...................
Tembo 5,32 m ................... 1,6 m ...................
Vera 5,09 m ................... 1,23 m ...................
Cindy 4,9 m ................... 1,57 m ...................
Sonia 6,04 m ................... 1,7 m ...................
Gloria 5,21 m ................... 1,34 m ...................

10.2 a) Kry nou die statistiek van vyf van jou klasmaats en voltooi die tabel.

NAAM LENGTE MASSA
1. .................................................. .................... ....................
2. .................................................. .................... ....................
3. .................................................. .................... ....................
4. .................................................. .................... ....................
5. .................................................. .................... ....................

b) Rangskik jou maats van die kortste tot die langste:

1. ...............................................................

2. ...............................................................

3. ...............................................................

4. ...............................................................

5. ...............................................................

c) Rangskik jou maats van die swaarste tot die ligste:

1. ...............................................................

2. ...............................................................

3. ...............................................................

4. ...............................................................

5. ...............................................................

10.3 Vul in:<;>of = :

a) 0,63 …… 0,7

b) 0,4 …… 0,39

c) 32,068 …… 32,102

d) 1,27 …… 1,270

e) 0,007 …… 0,07

f) 4,44 …… 4,044

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 1.3: Dit is duidelik wanneer die leerder die volgende getalle herken, klassifiseer en voorstel sodat dit beskryf en vergelyk kan word:

1.3.2 desimale (tot minstens drie desimale plekke), breuke en persentasies;

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 2.3: Dit is duidelik wanneer die leerder voorstellings maak van en verwantskappe tussen veranderlikes gebruik sodat inset- en/of uitsetwaardes op ‘n verskeidenheid maniere bepaal kan word deur die gebruik van:

2.3.3 tabelle;

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 5.7: Dit is duidelik wanneer die leerder die grootste en kleinste telling in ‘n datastel identifiseer en die verskil tussen hierdie tellings bepaal ten einde die verspreiding van die data (omvang) te bepaal.

Questions & Answers

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the study of the heat energy which is associated with chemical reactions
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Read Chapter 6, section 5
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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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