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Counting Up  Subtraction Method
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> Counting Up  Subtraction Method < you are here
Counting-up subtracting is subtracting two
numbers by counting up from the smaller number
to larger number.

first by ones, then tens, and so on, and then the odd
remainder, and then in a second pass we add up the addends.
count up to the largest number possible.
Next, count up to the nearest 100.
Example: 235 - 26 =
First, writing the smaller number and count up to
the nearest 10.
26
4
_____
30
70
_____
100
100
_____
200
35
235 - 26 = 209
Add all the blue numbers:
4 + 70 + 100 + 35 = 209
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235
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