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Add/Subtract Decimals
Mathematics, Grade 4
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Study Guide Add/Subtract Decimals Mathematics, Grade 4
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ADD
AND
SUBTRACT
DECIMALS
What
Is
Adding
and
Subtracting
Decimals?
Addition
and
subtraction
of
decimals
is
like
adding
and
subtracting
whole
numbers.
The
only
thing
we
must
remember
is
to
line
up
the
place
values
correctly.
How
to
Add
and
Subtract
Decimals:
To
Add
decimals:
•
First
line
the
numbers
up
in
a
column,
lining
up
the
decimal
points.
•
Add
down
the
columns,
starting
at
the
right.
•
Continue
to
add
down
the
columns,
moving
from
right
to
left.
Example:
2.5
+
3.4
5.9
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Permission
is
granted
for
the
purchaser
to
print
copies
for
non-commercial
educational
purposes
only.
Visit
us
at
www.NewPathLearning.com.
To
Subtract
decimals:
•
First,
line
the
numbers
up
in
a
column,
lining
up
the
decimal
points.
•
Subtract
down
the
columns,
starting
at
the
right.
•
Continue
to
subtract
down
the
columns,
moving
from
right
to
left.
•
Borrow
when
necessary.
0
12
18
Example:
13.8
-
9.9
3.9
Try
This!
Addition
0.9
4.88
+
0.3
+
1.26
Subtraction
6.2
1.45
-
3.8
-
0.79
© Copyright NewPath Learning. All Rights Reserved.
Permission
is
granted
for
the
purchaser
to
print
copies
for
non-commercial
educational
purposes
only.
Visit
us
at
www.NewPathLearning.com.
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