8
c
. Three Results of Division
There are three different ways that a division can be displayed on the screen.
Decimal answer (i)
Quotient and remainder answer (ii)
Fraction answer (iii)
i.
Decimal
answer Key in
5
.
4
2
9
is displayed.
This shows the standard decimal answer to a division problem.
ii. Now key in
This time
1
4
2
9
r
is displayed.
This shows the
quotient and remainder
answer to a division problem.
iii.. Now set the calculator to give a fraction answer to a division problem.
Press
. The selection
. n/d
is displayed
.
This lets you select decimal or fraction answers to
division problems.
Press the right arrow key
to underline
n/d
. Press
to confirm your selection.
The
n/d
indicator in the screen lets you know that the calculator will now give
fraction
answers
to division
problems.
Press
to exit the menu.
Notice that
n/d
is still displayed.
Now key in
.
10
5
4
2
9
(a stacked fraction) is displayed.
This shows a fraction answer to a division problem. Notice also that the fraction result will not
be in simplest form necessarily. See later for how to simplify.
Press the up arrow key
once to scroll up. Press
again. The calculations you entered
previously are displayed. Press the Down arrow
. Press the Down arrow
again.
You can review the three different results of the division problem and explore with your
students why the same problem gets three different-looking answers.
Students will come to understand that all three answers are the same and make the
connection between decimals, quotients and remainders, and fractions.