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# 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 2 915,95 kg

1.2 1,998 kg

1.3 0,750 kg

1.4 26,082 kg

2.1 3,098 kg

2.2 4,104 kg

2.3 1,219 kg

2.4 18,797 kg

3.1 48,688 kg

3.2 15 272 kg

3.3 8 722 kg

3.4 238,117 g

3.5 0,320 kg

3.6 127,296 g

## Inhoud

### AKTIWITEIT: Om te bereken deur bewerkings te kies wat geskik is om probleme op te los [LU 4.5]

Kom ons kyk nou eers hoe goed jy nog kan optel en aftrek sonder ‘n sakrekenaar.

1. Verminder die volgende massa met 50 g:

1.1 2 916 kg = ________________________________ kg

1.2 2,048 kg = ________________________________ kg

1.3 0,800 kg = ________________________________ kg

1.4 26,132 kg = _______________________________ kg

2. Vermeerder die volgende massa met 300 g:

2.1 2,798 kg = ________________________________ kg

2.2 3,804 kg = ________________________________ kg

2.3 0,919 kg = ________________________________ kg

2.4 18,497 kg = _______________________________ kg

3. Bereken ook die volgende sonder ‘n sakrekenaar. (Wenk: maak eers die eenhede dieselfde.)

3.1 38,942 kg + 9,746 kg =

__________________________________________

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3.2 6 913 kg + 8,359 t =

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__________________________________________

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3.3 9 t - 278 kg =

__________________________________________

__________________________________________

__________________________________________

__________________________________________

__________________________________________

3.4 18,517 g + 219,6 g =

__________________________________________

__________________________________________

__________________________________________

__________________________________________

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3.5 8 kg ÷ 25 =

__________________________________________

__________________________________________

__________________________________________

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3.6 15,912 g × 8 =

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__________________________________________

## Assessering

Leeruitkomste 4:Die leerder is in staat om gepaste meeteenhede, instrumente en formules in ‘n verskeidenheid kontekste te gebruik.

Assesseringstandaard 4.5: Dit is duidelik wanneer die leerder probleme oplos wat die kies van, berekening met en herleiding tussen geskikte S.I.-eenhede (sien hierbo) behels, terwyl geskikte kontekste vir Tegnologie en Natuurwetenskappe geïntegreer word.

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##### Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

##### What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

##### Who can create a lens?

Any individual member, a community, or a respected organization.

##### What are tags?

Tags are descriptors added by lens makers to help label content, attaching a vocabulary that is meaningful in the context of the lens.

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