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No-Carry Addition: 2-Digit Sums

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No-Carry Addition: 2-Digit Sums

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Add two-digit numbers without carrying

Created by

chien lin
chien lin
Philippines

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No-Carry Addition: 2-Digit Sums
 

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No-Carry Addition: 2-Digit SumsOnline version

Add two-digit numbers without carrying

by chien lin
1

To add numbers without , choose two - digit numbers and lay them out neatly : , , and . Focus on the two columns : and . In the units column , you calculate 3 + 4 + 2 = 9 . In the tens column , you calculate 2 + 1 + 4 = 7 . When all columns stay under ten , you can write the final answer as . This method avoids any need to carry over between columns .

 
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