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Math Practice Online > free > lessons > Ohio > 4th grade > Decimal Addition

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For sample problems, click here.
Here are some tips for Decimal Addition, which aligns with Ohio state standards:

Decimal Addition


You must know how to do long addition before doing this topic.
To review Long Addition, see here.

For decimal addition, you need to line up the decimal points before you do the addition.


Example:

Add.
35.365
+ 39.356
-----------

Step 1: Align the decimal points.
The problem already has the decimal points lined up.

Step 2: Do the addition.
1    1 1  
35.365
+ 39.356
------------
74.721
The answer is

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