2. McCourt 2004
Round the following number to 1dp
6.348
Firstly, highlight
the number to
the first number
after the
decimal point
So we have
6.3
But is this the
answer?
Now look at
the number
immediately
after where
we stopped
highlighting
If this number is
a 0, 1, 2, 3 or 4
we don’t have
to do anything
else and we
have our
answer.
4. McCourt 2004
What if the red number was a
5, 6, 7, 8 or 9?
Lets look at an example
5. McCourt 2004
Round the following number to 1dp
9.2721
Firstly, highlight
the number to
the first number
after the
decimal point
So we have
9.2
But is this the
answer?
Now look at
the number
immediately
after where
we stopped
highlighting
If this number is
a 5, 6, 7, 8 or 9
we increase the
last digit by
one.
So 9.2 becomes
9.3