conclusions in IELTS writing

It is important to sum up at the end of some IELTS writing tasks. Having made your points and stated your arguments, it is necessary to conclude. This can be done using
in conclusion.

In conclusion, the modern world is clearly being made smaller by modern technology.

We can also use the phrase to sum up in the same way.

To sum up, it is obvious that modern educational values are superior to those of the last century.