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  • GETSenPhaseMaths display tagshide tags

    This module and collection are included inLens: Siyavula: Mathematics (Gr. 7-9)
    By: Siyavula

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Pret met die Sakrekenaar en Negatiewe Getalle

Module by: Siyavula Uploaders. E-mail the author

WISKUNDE

Pret met die Sakrekenaar en Negatiewe Getalle

OPVOEDERS AFDELING

Memorandum

23. a) -7 m

  1. a) -20 m
  2. b) -16 m
  3. c) -15 m

25. 22ste vloer

LEERDERS AFDELING

Inhoud

AKTIWITEIT: Pret met die Sakrekenaar en Negatiewe Getalle

23. ’n Paar vriende het besluit om te gaan “bungi jump”. Bereken hoe ver elkeen van hulle onder die brug gaan draai het.

a) __________________________________________________________________

Figure 1
Figure 1 (Brug_01.jpg)

b) __________________________________________________________________

Figure 2
Figure 2 (Brug_02.jpg)

c) __________________________________________________________________

Figure 3
Figure 3 (Brug_03.jpg)

d) __________________________________________________________________

Figure 4
Figure 4 (Brug_04.jpg)

24. KOM ONS SPEEL!!

Werk saam met ’n maat. Verwyder die boer (Jack), koningin, koning, aas en swart piet (Joker) uit ’n pak speelkaarte. Sit die pak onderstebo tussen julle neer. Neem die getal 10 as ’n wegspringplek.

Speler 1: Tel ’n kaart op. As dit ’n swart kaart is, tel die totaal / getal van die kaart by 10. As dit ’n rooi kaart is, trek af.

Speler 2: Tel ’n kaart op. Doen dieselfde as speler 1.

Spelers moet mekaar se antwoorde kontroleer. Gebruik ’n sakrekenaar as julle twyfel. Speel totdat al die kaarte se totale / getalle bygetel of afgetrek is.

25. KOPKRAPPER!

Jy is in ’n hyser op die 4 de vloer van ’n gebou met kelderverdiepings. Jy ry 6 vloere af, dan 13 vloere op en dan weer 11 vloere af. Daarna ry jy 9 vloere af en weer 23 op. Jy ry nog 17 vloere af en weer 25 op. Op watter vloer klim jy uit? ______________ Maak ’n skets of teken ’n getallelyn om dit voor te stel.

26. UITDAGING!

Teken ’n tydlyn waarop jy belangrike gebeure voor sowel as sedert jou geboorte aantoon. Dui jou geboortejaar met ’n 0 aan.

27. SELFASSESSERING

Merk die toepaslike blokkie met ’n regmerkie:

Table 1
Ek kan GOED BETER BESTE
voorbeelde gee van negatiewe getalle in vandag se lewe. __________ __________ __________
negatiewe getalle korrek op my sakrekenaar insleutel. __________ __________ __________
negatiewe getalle rangskik van klein na groot en andersom. __________ __________ __________
negatiewe getalle met behulp van my sakrekenaar optel en aftrek. __________ __________ __________
vloeidiagramme met negatiewe getalle korrek voltooi. __________ __________ __________
berekeninge met negatiewe getalle sonder ’n sakrekenaar doen. __________ __________ __________

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Definition of a lens

Lenses

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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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