Adding Integers

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Can you name the sum of each problem?

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ProblemAnswer
16 + 18
-25 + (-26)
-27 + 19
24 + (-12)
-15 + (-15)
13 + (-13)
15 + 12
21 + 13
35 + (-24)
50 + (-25)
ProblemAnswer
17 + (-49)
-5 + (-24)
-20 + 9
- 9 + (-8)
-21 + 12
28 + (-18)
-9 + 9
29 + 12
-29 + 15
-13 + 26

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