Fit Column A with Column B$./$ Pas kolom A by Kolom B$.$

A$.$ In$-$context mathematical problem.

In$-$konteks wiskunde probleem

B$.$ Result unknown

Resultaat onbekend

C$.$ Part$-$part whole structure

Gedeelte$-$gedeelte geheel struktuur

D$.70=7/7-7=0$

E$.$ Binding structures of subtraction.

Bindingstrukture van aftrek.

F$.$ Structure of comparison problem.

Struktuur van vergelykende probleme.

G$.$ Identity element ofsubtraction.

Identiteitselement van aftrek..

H$.$ Context$-$free mathematical problem.

Konteksvrye wiskunde probleem

select

$1.$ Two invers subtraction facts.

Twee inverse aftrek feite.

D

$2.70=7$

select

$3.15-3=$ result $/$ resultaat

Initial $/$ Begin $-3=12$

$15-$ change $/$ verandering $=12$

select

$4.$ Large set, small set and difference.

Groot versameling, klein versameling en verskil.

select

$5.$ To get to school Susan must walk $10$ km$.$ She already walked $8$ km$.$ How far is she from the school?

Om by die skool te kom moet Susan $10$ km stap. Sy het alreeds $8$ km gestap. Hoe ver is sy nou van die skool af$?$

select

$6.$ X $+$ Y $=$ Z

select

$7.20-11=$

select

$8.$ My brothers$$ hair was $120$ cm long, the hairdresser cut off $20$ cm$.$ Before school started he had to cut off another $60$ cm$.$ How long is my brothers$$ hair now?