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• GETIntPhaseMaths

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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Course by: Siyavula Uploaders. E-mail the author

# Om oppervlakte te bereken deur te ondersoek en te skat [

Module by: Siyavula Uploaders. E-mail the author

## Memorandum

1.1 13 cm × 13 cm = 169 cm²

1.2 2,2 m × 1,4 m = 3,08 m²

1.3 181 m × 93 m = 16 833 m²

1.4 4,2 m × 2,8 m = 11,76 m²

1.5 243 mm × 178 mm = 43 254 mm²

## AKTIWITEIT: Om oppervlakte te bereken deur te ondersoek en te skat [LU 4.8.2]

1. Kom ons kyk of jy ook die oppervlakte van die volgende kan bereken (onthou om jou bewerkings met ‘n getallesin te begin en moet ook nie die eenheid vergeet wanneer jy jou finale antwoord neerskryf nie):

1.1 die oppervlakte van ’n vierkant met ’n sylengte van 13 cm

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1.2 die blad van ’n lessenaar van 2,2 m by 1,4 m

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1.3 ’n langwerpige rugbyveld van 181 m lank en 93 m breed

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1.4 die hoeveelheid mat wat jy nodig het om ’n kamer van 4,2 m by 2,8 m se vloer te bedek

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1.5 die oortreksel van ’n wiskundeboek met ’n lengte van 243 mm en ’n breedte van 178 mm

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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 4.8: Dit is duidelik wanneer die leerder by benadering ondersoek en bepaal (alleen en/of as ‘n lid van ‘n groep of span):

4.8.2: oppervlakte van veelhoeke (m.b.v. vierkantroosters) ten einde reëls vir die berekening van oppervlakte van vierkante en reghoeke te ontwikkel.

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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?

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| A lens I own (?)

#### 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?

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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