toaz.info-mathematics-2-weber-kunkel-martinez-and-shultis-oxford-2018-pdf-pr_ec2d38046ecccf7e7d7ec6294557323e (4)

among humans is a very natural part of who we are.
Competition
are professional sports teams who compete with each
There
as well as the adolescents who are hoping to be the next
other,
athlete. The Olympics bring together athletes from around
great
world for two weeks of competition. There is also the day-today
the
competition among people seeking that exciting new job.
this constant competition, humans
Despite
also cooperate with one another.
must
same athletes and those same
Those
must also nd a way to work
employees
with others to accomplish group goals.
is the line between competition and
Where
Can it be analysed? In this
cooperation?
you will learn to describe competition
unit,
cooperation among humans and,
and
do you experience more, competition or cooperation?
Which
Explain.
there ever been a time when you competed against someone
Has
whom you later had to cooperate? If so, describe how that
with
mathematics, a ratio is a way to compare dierent
In
that are measured using the same units.
quantities
example, if there are 12 girls and 8 boys on
For
team, the ratio of girls to boys would be
your
Introducing ratio and proportion
hopefully, understand where that line is.
Reect and discuss Reect and discuss 11
In a small group, answer the following:
●
Give two examples of times when you were competitive.
●
Give two examples of times when you were cooperative.
●
●
went.
Ratios
Just like fractions, ratios can be simplied.
written as 12 to 8 or 12:8 (also read as ‘12 to 8’).
1 Ratios and proportions
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