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MathATube.com
The Partial Sums method is a two-stage process.
Step-1: Add up the
hundred place =700
Step two: add the
tens place. =140
Step-3: add up the
ones place =11
Step-4 add all the
partial sum to find
answer. =851
hundred place =700
Step two: add the
tens place. =140
Step-3: add up the
ones place =11
Step-4 add all the
partial sum to find
answer. =851
3 6 6
________
7 0 0
1 4 0
1 1
________
8 5 1
________
7 0 0
1 4 0
1 1
________
8 5 1
Add 100s
Add 10s
Add 1s
Add partial sums
Add 10s
Add 1s
Add partial sums
Example
4 8 5
+
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About this video
MR.Moss is a elementary
school teacher at Pine Grave
school in Avon CT. Moss blog:
www.edvantaged.com/blog
school teacher at Pine Grave
school in Avon CT. Moss blog:
www.edvantaged.com/blog
Video by-J.Moss
video covers Partial Sums Method
and trade first Subtraction Method
of whole numbers.
and trade first Subtraction Method
of whole numbers.
More Partial Sum videos
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>Partial-Sums Addition Method< you are here
Everyday mathematics methods
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Partial-Sums Addition Algorithm
In the first stage one looks at each column (working
left to right) and add up the place-values
represented by the digits in that column.
left to right) and add up the place-values
represented by the digits in that column.
In the second stage those partial sums are added
together.
together.
Time - 8:04