Emphasize
that irrationals become approximations when changed to decimal form.
Refer
to =
1.73 as "rounded to" rather than exactly "equal
to".
The
only irrationals in Math A are "square roots of non-perfect
squares" and .
Remember to instruct students to
use the calculator's full value of a number until all computations
are complete. Round only the final answer. Don't round
too soon!!!
Emphasize that is
an irrational number. It is NOT 3.14
or
.
When working with ,
the key
on the calculator should be used and the full calculator display
should be used.
.
.
