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Wiskunde

Nog meetkunde, datahantering en waarskynlikheid

Opvoeders afdeling

Memorandum

16.2

16.3 (1,1) (1,2) (1,3) (1,4) (1,5) (2,5) (2,4) (2,3) (3,3) (3,4) (3,5) (3,6)

(3,7) (4,7) (5,7) (6,7) (6,6) (7,6) (8,6) (8,5) (8,4) (8,3) (8,2) (8,1)

(9,1) (9,2) (9,3) (9,4) (9,5) (9,6) (9,7) (9,8) (8,8) (7,8) (7,9) (8,9)

(9,9) (9,10)

17.2

(a) 50, 7N

(b) 10, 2S

(c) 30, 5S

(d) 70, 5N

(e) 4W, 1N

(f) 5W, 3S

(g) 3W, 6N

(h) 10, 2N

19.

(a) 343

(b) 200

(c) 270 000

(d) 1 600 000

(e) 100

(f) 164

(g) 83

(h) 0

(i) 90

(j) 150

(k) 30

(l) R148

(m) 13

(n) 81

(o) 28

Leerders afdeling

Inhoud

Aktiwiteit: ‘n ander tipe data [lu 3.8, lu 5.9, lu 1.8]

16. ‘n Ander tipe data

16.1 Het jy geweet?

Ons kan ook data versamel / inligting vind deur koördinate wat gegee word.

Kyk goed na die voorbeeld. Die kolletjie (λ) is by (4,7).

Die 4 dui die horisontale getal aan en die 7 die vertikale getal.

16.2 Teken die volgende op die eiland in.

16.3 Skryf die koördinate vir die roete wat ’n aantal leerders tydens ’n pretlloop gevolg het.

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16.4 UITDAGING!

  • Skryf jou eie geheime boodskap! Gee jou koördinate vir ’n maat om te ontsyfer.

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  • Laat jou maat jou boodskap hier neerskryf:

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17. Het jy geweet?

17.1 Soms word die koördinate met kom­pas­aanwysings gekombineer om ’n sekere plek te vind.

Die lughawe sal jy vind by 3W, 3N. (W = wes ; N = noord)

17.2 Waar sal jy die volgende plekke vind?

a) Dieretuin _______________________________________________________

b) Biblioteek __________________________________________________

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Source:  OpenStax, Wiskunde graad 7. OpenStax CNX. Oct 21, 2009 Download for free at http://cnx.org/content/col11076/1.2
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