Page 26 - SPARK OF MATH book(2)
P. 26
(2-1) Adding 2-Digit Numbers.
Adding numbers without regrouping.
+ =
55 24
First, add the ones Then, add the tens
55 addend
+ 55 55
24 addend + 24 + 24
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sum 9 79
Add.
8 3 5 9 2 5
+ 1 0 + 3 0 + 4 1
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4 4 2 6 7 3
+ 3 4 + 4 2 + 2 4
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26
