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Wiskunde

Meetkunde, datahantering en waarskynlikheid

Meetkunde

Opvoeders afdeling

Memorandum

Leerders afdeling

Inhoud

Aktiwiteit: om vergrotings en verkleinings van 2-dimensionele figure te teken [lu 3.3.2, lu 3.5]

Soms is dit nodig om vorms te verklein of te vergroot. Dink maar aan ‘n prent wat jy wil fotostateer, maar dit moet in ‘n kleiner ruimte inpas, of opskrifte wat jy met behulp van ‘n fotostaatmasjien wil vergroot om as aanwysings teen ‘n gangmuur te gebruik. Kom ons kyk hoe vaar jy op jou eie!

1. Gebruik die geruite papier en:

1.1 vergroot die vierkant drie keer;

1.2 verklein die reghoek een keer;

1.3 verdubbel die grootte van die driehoek.

2. Vergelyk nou jou tekeninge met die oorspronklikes. Wat merk jy op as jy die vorms met mekaar vergelyk?

UITDAGING!

Kan jy die olifantjie net so teken in die groter blokkies?

Assessering

Leeruitkomste 3: Die leerder is in staat om eienskappe van en verwantskappe tussen twee-dimensionele vorms en drie-dimensionele voorwerpe in ‘n verskeidenheid oriënta­sies en posisies te beskryf en voor te stel.

Assesseringstandaard 3.3: Dit is duidelik wanneer die leerder twee-dimensionele vorms en drie-dimensionele voorwerpe wat in hierdie graad bestudeer word, ondersoek en vergelyk (individueel en/of as lid van ‘n groep), volgens die bostaande eienskappe deur die volgende te doen:

3.3.2: teken vorms op grafiekpapier;

Assesseringstandaard 3.5: Dit is duidelik wanneer die leerder vergrotings en verkleinings van twee-dimensionele figure (ten minste vierhoeke en driehoeke) teken en grafiekpapier gebruik om die grootte en vorm daarvan te vergelyk.

Questions & Answers

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Hajah Reply
the study of living organisms and their interactions with one another and their environments
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the diagram of the digestive system
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They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
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Genetics is the study of heredity
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Joseph Reply
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Yousuf Reply
the study of living organisms and their interactions with one another and their environment.
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list any five characteristics of the blood cells
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advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
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is organisms that are similar into groups called tara
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A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
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Source:  OpenStax, Wiskunde graad 6. OpenStax CNX. Sep 15, 2009 Download for free at http://cnx.org/content/col11072/1.1
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