Transcript Math

Dividing Decimals
 Place
the decimal point in the quotient
directly above the decimal point in the
dividend.
 Divide as you would with whole numbers
4.2 ÷ 2 = 2.1
Divisor
Dividend
Divisor
Quotient
Quotient
2.1
2 4.2
Dividend

0.18 ÷ 2

48.78 ÷ 6
 71.06
÷ (-34)
 -9.36
 48.1
÷ (-6)
÷ (-13)
 20.95
÷5
 For
Mrs. Carter’s birthday, her class
bought her a pendant for $76.50 and a
card for $2.25, which totaled $78.75. If
there are 25 students in the class, what is
the average amount each student paid for
the gift?
On average, each American consumed
261.6 lb of red meat and poultry in 2000.
How many pounds of red meat and
poultry did the average American eat
during each month of 2000?
 Randy
spent $61.25 on some CDs and a
set of headphones. All of the CDs were on
sale for the same price. The set of
headphones cost $12.50. If he bought 5
CDs, what was the sale price of each CD?
3.6 4.32
 Move
the decimal in the
divisor to the left to make the
divisor a whole number.
 Move the decimal in the
dividend the same number of
places you moved the decimal
in the divisor.
 Move the decimal straight up
in the quotient.
 Divide as you would with
whole numbers.
12.95 ÷ 1.25
3.78 ÷ 4.2
1.25 9.00
In this problem we
had to move the
decimal two places
in the divisor so we
added another zero
to move the decimal
two places in the
dividend.
 Add
a decimal and a
zero to your dividend
 Move the decimal in
the divisor to the left
to make the divisor a
whole number.
 Move the decimal up
in the quotient.
 Divide as you would
with whole numbers.
12 ÷ 1.6
84 ÷ 2.4
36 ÷ 2.25