# OpenStax_CNX

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• GETSenPhaseMaths

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

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Collection Review Status: In Review

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Inside Collection (Course):

Course by: Siyavula Uploaders. E-mail the author

# Getallepatrone (Hoofrekentoets)

Module by: Siyavula Uploaders. E-mail the author

## Memorandum

7.

a) 96

b) 61

c) 53

d) 13

e) 12

f) 54

g) 82

h) 24

i) 80

j) 178

k) 2 700

l) R90

m) R60,80

n) 24 000

o) 90

p) R237

q)

r)

s)

t) 34.25

• word elke keer een meer (+1)
• word elke keer 7 meer (+7)
• word 8 meer (+8)

8.4 word 6 meer (+6)

• 6; 27; 48
• 24; 27; 30

Totaal verskil

• 27; 27

8.5.4 Totale is dieselfde

dis presies dieselfde as bogenoemde

## Inhoud

### AKTIWITEIT: Getallepatrone (Hoofrekentoets) [LU 2.2]

• Kom ons kyk eers hoe vaar jy in die volgende hoofrekentoets.

Probeer om dit in minder as 2 minute te voltooi.

a) 12 × 8 = _________________

b) 23 + 38 = _________________

c) 48 + _________________ = 61

d) 132 ÷ _________________ = 11

e) 71 – 18 = _________________

f) _________________ ÷ 6 = 9

g) 63 + 19 = _________________

h) 39 + . _________________ = 63

i) 7 × _________________ = 560

j) Verdubbel 89: _________________

k) 90 × 30 = _________________

l) R4,50 × 20 = _________________

m) 400 × 60 = _________________

n) 2 700 ÷ . _________________ = 30

o) R6,08 × 10 = _________________

p) R2,37 × 100 = _________________

q) 3/8 of 64 = _________________

r) 4/5 of 45 = _________________

s) 6/7 of 42 = _________________

t) Halveer 68,5: _________________

Ek het . ________________________________________. reg.

• Kleur die regte gesiggie in: Ek voel

8. Kyk na die interessante patrone wat ons in die kalender vind.

• Werk saam met ’n maat en bespreek:

a) Watter patroon sien julle in elke ry? (horisontaal)

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

b) Watter patroon is daar in elke kolom? (vertikaal)

_____________________________________________________________________

_____________________________________________________________________

c) Watter patrone sien julle in die diagonaal (skuins) van links na regs?

_____________________________________________________________________

_____________________________________________________________________

d) Watter patroon is daar in die diagonaal (skuins) van regs na links?

_____________________________________________________________________

_____________________________________________________________________

e) Kyk na die donker blok in die kalender. Bepaal nou:

f) die som van elke ry: ________________________________________________

g) die som van elke kolom: _____________________________________________

• Wat merk julle op?_______________________________________________

h) Die som van die diagonale: ___________________________________________

• w Wat merk julle op?____________________________________________________________

i) Toets dit vir enige ander “blok” van getalle op die kalender. Wat is julle gevolgtrekking?

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

## Assessering

Leeruitkomste 2:Die leerder is in staat om patrone en verwantskappe te herken, te beskryf en voor te stel en probleme op te los deur algebraïese taal en vaardighede te gebruik.

Assesseringstandaard 2.2: Dit is duidelik wanneer die leerder verwantskappe of reëls wat waargeneem is, in eie woorde beskryf, verduidelik en bewys.

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