eW/FS/WE/001
Dumping grounds
There are 8 houses in the block. Each house produces
one bin with rubbish, once a week. How many bins
does the municipal lorry remove from the block in a
month (4 weeks)?
Teacher:
See if your learners can do this sum. Reward the ones
who did get the right answer. For those that did not
succeed, let them work through the following exercise.
How many rubbish bins are collected in one week from
the block?
8x1=
rubbish bins.
How many rubbish bins are collected in one month from
the block?
4x
=
rubbish bins.
If each house starts to recycle their garbage, and
produce half as many rubbish, how many bins will be
collected from the block in a month (4 weeks)?
x ½=
www.ewisa.co.za
or
x1=
÷2=
Contact: ewisa@wamsys.co.za or ewisa@wisa.co.za
www.ewater.co.za www.waterinfo.co.za www.waterinformation.co.za
EB3t