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  • GETIntPhaseMaths display tagshide tags

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

    Module Review Status: In Review
    Collection Review Status: In Review

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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

WISKUNDE

Getalbegrip, Optelling en Aftrekking

Aftrekking

OPVOEDERS AFDELING

Memorandum

LEERDERS AFDELING

Inhoud

AKTIWITEIT Om te bereken deur bewerkings te kies wat geskik is om probleme op te los [LO 1.8.1]

1. Dit is belangrik dat jy nog sal onthou hoe om korrek af te rond, want dit is ook ‘n metode wat jy kan gebruik om vinnig die verskil te bereken.

1.1 Werk saam met ’n maat en bereken die verskil deur beide getalle af te rond tot die naaste 10. Maak beurte om vir mekaar die antwoorde te sê.

a) 276 – 95

b) 415 – 109

c) 647 – 142

d) 999 – 351

2. Kan jy vinniger as jou maat die verskil tussen die volgende bereken deur beide getalle af te rond tot die naaste 100?

2.1 1 325 – 876

2.2 3 764 – 1 321

2.3 6 009 – 4 245

2.4 9 999 – 7 908

Onthou jy nog?

Voltooi die volgende:

’n Priemgetal is ’n getal wat _________________________________________

____________________________________________________________________

____________________________________________________________________

’n Ewe getal is _____________________________________________________

_____________________________________________________________________

_____________________________________________________________________

KOPKRAPPER!

Twee priemgetalle kan van mekaar afgetrek word en ’n ewe getal as antwoord gee, bv. 19 – 5 = 14

Kan jy die volgende priemgetalle vind om die getallesin waar te maak?

1. __________________ – __________________ = 6

2. __________________ – __________________ = 28

3. __________________– __________________ = 48

4. __________________ – __________________ = 60

5. 88 = __________________ – __________________

6. 90 = __________________ – __________________

7. 52 = __________________ – __________________

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:

1.8.1: afronding tot die naaste 5, 10, 100 of 1 000.

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Definition of a lens

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.

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Definition of a lens

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? tag icon

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

| External bookmarks