Subtracting
Decimals
MAL
TIONS
Dividing
Decimals
Adding
Decimals
PLACE
GLUE
HERE
DECI
OPERA
Multiplying
Decimals
E XAM P LE :
On a school trip, a class travels
47 kilometers by train and 2.4
kilometers by bus. How far did
the class travel all together?
47.0
+ 2.4
49.4
E XAM P LE :
Colin is filling 4.5 ounce bottles
with lavender bubble bath that
he made for gifts. He was able
to fill 75 bottles. How many
ounces of bubble bath did he
make?
75
X 4.5
375
+ 3000
337.5
1 decimal
place
1 decimal
place
Subtracting Decimals
Adding Decimals

Line up the decimals

Line up the decimals

Write place holders

Write place holders

Add as usual

Subtract as usual

Bring the decimal point
straight down.

Bring the decimal
straight down.
Multiplying Decimals

Line up the numbers

Multiply as usual
Josh has $4.65 in his pocket,
and then he goes to the store
and buys a soda for $1.49.
How much money does Josh
have remaining?
5
point
Dividing Decimals

E XAM P LE :
1
4.65
-1.49
$3.16
E X AM P LE :
The hardware store has 53
Make the divisor a whole
pounds of nails on sale for
number by shifting the decimal $16.96. What is the price of one
to the right
pound of nails?
Move the dividend decimal the
same number of spaces to the
right

Count the numbers to the
right of the decimal points in
the problem


Move the decimal point in
the answer to the left that
many places

Divide as usual

Bring the decimal point
straight up.
3.125
1696 5300.000
-5088
2120
-1696
4240
-3392
8480