EXAMPLE: When dividing .2 by 100, move the decimal point one place
to the left for each of the zeros in the divisor (the number you
are dividing into the other number). There are two zeros;
therefore, you move the decimal two places to the left.
.2 : 100 = 0.00.2 = 0.002
EXAMPLES:
(4) 1.8 10
= .18
5 : 10
(1)
=
.5
(5) 1.8 100 =
.018
5 : 100 =
.05
(2)
(6) 1.8 1000 = .0018
5 : 1000 = .005
(3)
e. Did you remember how to round off numbers? Whenever instructed to round
off to a specific decimal place, solve the problem to one more place and round off.
EXAMPLE: (round to 2d decimal place)
52.5
5.2 = 10.096 = 10.10
1-32. PRACTICE 1-6
Round the following numbers to two decimal places.
a. 10.333
=
b. 11.625
=
c.
12.611
=
d. 3.237
=
e. 2.621
=
f.
0.396
=
Divide the following decimals; round off to second decimal place.
100.25 50.5 =
g.
h. 40.5
5.5 =
MD0904
1-27