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This module and collection are included inLens: Siyavula: Mathematics (Gr. 4-6)
By: Siyavula

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Course by: Siyavula Uploaders. E-mail the author

# Om te bereken deur bewerkings te kies wat geskik is om probleme op te los

Module by: Siyavula Uploaders. E-mail the author

1.1 1 065

1.2 2 466

1.3 28 745

1.4 50 271

1.5 373 097

1.6 462 563

12 54 24

42 30 18

36 6 48

## LEERDERS AFDELING

### Om ‘n reeks tegnieke te gebruik om berekeninge te doen [LO 1.10.1]

1. Lees die volgende vrae aandagtig. Besluit dan watter bewerkings jy moet uitvoer om die antwoorde te vind. Gebruik jou sakrekenaar en skryf neer watter getal is:

1.1 598 meer as 467

1.2 2 346 minder as 4 812

1.3 5 098 meer as 23 647

1.4 46 138 minder as 96 409

1.5 123 516 meer as 249 581

1.6 435 091 minder as 897 654

### KOPKRAPPER!

• Voltooi die volgende towervierkant. Die som van die totale af, dwars en skuins (diagonaal) is 90.
 12 _______ _______ _______ 30 18 _______ _______ _______

### TYD VIR SELFASSESSERING

 Ek kan in honderde vorentoe en terug tel. (LU 1.9) 1 2 3 4 Ek kan in duisende vorentoe en terug tel. (LU 1.9) 1 2 3 4 Ek kan in tienduisende vorentoe en terug tel. (LU 1.9) 1 2 3 4 Ek kan getalrye voltooi deur na die patrone te kyk. (LU 2.1) 1 2 3 4 Ek kan getalle in uitgebreide notasie skryf. (LU 1.10) 1 2 3 4 Ek kan honderdduisende van ’n getallelyn af lees. (LU 1.4 en LU 1.10) 1 2 3 4 Ek kan verwantskapstekens (< ; > ; =) korrek invul. (LU 1.3) 1 2 3 4

## 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 1.8: Dit is duidelik wanneer die leerder skat en bereken deur geskikte bewerkings vir die oplossing van probleme in verband met die volgende te kies en te gebruik:

1.8.2: optel en aftrek van heelgetalle;

Assesseringstandaard 1.10: Dit is duidelik wanneer die leerder ‘n verskeidenheid tegnieke gebruik om sowel skriftelike as hoofberekeninge met heelgetalle te doen, insluitend:

1.10.1: optelling, aftrekking en vermenigvuldiging in kolomme.

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