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  • GETSenPhaseMaths display tagshide tags

    This module is included inLens: Siyavula: Mathematics (Gr. 7-9)
    By: Siyavula

    Review Status: In Review

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Tessellasies

Module by: Siyavula Uploaders. E-mail the author

WISKUNDE

Ruimte en Vorm

OPVOEDERS AFDELING

Memorandum

24.2 Nee. Vyfhoeke tesseleer nie

26

(a) 50

(b) 105

(c) 993

(d) 995

(e) 12

(f) 12

(g) 12

(h) 7

(i) 100

(j) 100 000

(k) 5 r. 3

(l) 9 r. 5

(m) 8 r. 6

(n) 9 r. 5

(o) 7 r. 4

LEERDERS AFDELING

Inhoud

AKTIWITEIT: Tessellasies [LO 1.8]

24. TESSELLASIES

24.1 Het jy geweet?

Wanneer jy ’n vlak met teëls bedek sonder dat daar openinge tussen die teëls gelaat word, word die patroon ’n tesselasie genoem, bv.

Figuur 1
Figuur 1 (graphics1.png)

Ons sê die vorm tesseleer.

24.2 Dink jy ALLE veelhoeke sal tesseleer? __________ Motiveer jou antwoord.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

24.3 Gebruik ’n kombinasie van veelhoeke, bv. ’n driehoek en ’n vierkant, en ontwerp ’n tapyt vir ’n kombuis / badkamer. Dit moet teselleer! Kleur dit netjies in.

25. Tyd vir selfassessering

Tabel 1
  • Kleur die gesiggie in wat waar is van jou:
      
Ek kon verskillende driehoeke op grond van hul eienskappe groepeer graphics2.png graphics3.png graphics4.png
Ek kan die volgende begrippe verduidelik:      
  • skerphoekige driehoek
 graphics5.png graphics6.png graphics7.png
  • gelykbenige driehoek
 graphics8.png graphics9.png graphics10.png
  • stomphoekige driehoek
 graphics11.png graphics12.png graphics13.png
  • gelyksydige driehoek
 graphics14.png graphics15.png graphics16.png
  • reghoekige driehoek
 graphics17.png graphics18.png graphics19.png
  • ongelyksydige driehoek
 graphics20.png graphics21.png graphics22.png
  • simmetrie
 graphics23.png graphics24.png graphics25.png
  • tessellasie
 graphics26.png graphics27.png graphics28.png
Ek kan simmetrie-asse van figure aandui graphics29.png graphics30.png graphics31.png
Ek kan ’n figuur teken wat tesseleer graphics32.png graphics33.png graphics34.png
       

26. Kan jy die punt van jou vorige hoofrekentoets verbeter? Probeer dié een binne 2 minute voltooi.

a) 16 + 19 + 15 = ____________

b) 28 + 36 + 41 = ____________

c) 1 009 – 16 = ____________

d) 1 012 – 17 = ____________

e) ____________ x 8 = 96

f) 9 x ____________ = 108

g) 84 ÷ 7 = ____________

h) 63 ÷ ____________= 9

i) 105 ÷ 103 = ____________

j) 10³ x 102 = ____________

k) 43 ÷ 8 = ____________

l) 59 ÷ 6 = ____________

m) 78 ÷ 9 = ____________

n) 86 ÷ 9 = ____________

o) 53 ÷ 7 = ____________

27. UITDAGING!

  • Kyk of jy die volgende kan regkry:

27.1 Rangskik 20 tandestokkies om sewe vierkante te vorm (sien skets). Skuif drie vuurhoutjies sodat slegs vyf vierkante van dieselfde grootte oorbly.

Figuur 2
Figuur 2 (graphics35.png)

27.2 Pak jou tandestokkies soos in die voorbeeld hieronder. Skuif slegs twee sodat jy ’n parallelogram en drie ruite vorm.

Figuur 3
Figuur 3 (graphics36.png)

27.3 Trek die volgende stukke van ’n tangram oor op folio en knip dit netjies uit (of gebruik ’n tangram as julle een in die klas het).Gebruik al die stukke en bou ’n kat op soveel verskillende maniere as wat jy kan.

Figuur 4
Figuur 4 (graphics37.png)

Assessering

Leeruitkomste 1:Die leerder is in staat om getalle en die verwantskappe daarvan te herken, te beskryf en voor te stel, en om tydens probleemoplossing bevoeg en met selfvertroue te tel, te skat, te bereken en te kontroleer.

Assesseringstandaard 1.8: Dit is duidelik wanneer die leerder hoofberekeninge doen wat kwadrate van natuurlike getalle tot minstens 102 en derdemagswaardes van natuurlike getalle tot minstens 53 behels.

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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?

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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.

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