Addition Worksheet

Solve.

1 a. (–6) + ______ + 1 = –6
1 b. (–5) + (–9) + ______ = –8
2 a. ______ + (–9) + (–6) = –23
2 b. (–9) + ______ + (–4) = –22
3 a. (–1) + ______ + 2 = –1
3 b. 1 + ______ + 4 = –3
4 a. ______ + (–8) + 8 = 5
4 b. (–7) + ______ + 4 = –8
5 a. (–3) + (–5) + ______ = –7
5 b. 4 + (–10) + ______ = –14
6 a. (–8) + ______ + 1 = –14
6 b. (–8) + 8 + ______ = –3
7 a. (–6) + (–5) + ______ = –9
7 b. (–9) + 9 + ______ = 1
8 a. 2 + (–2) + ______ = –10
8 b. ______ + (–8) + (–1) = 0
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Answer Key

1 a. (–1)    
1 b. 6    
2 a. (–8)    
2 b. (–9)    
3 a. (–2)    
3 b. (–8)    
4 a. 5    
4 b. (–5)    
5 a. 1    
5 b. (–8)    
6 a. (–7)    
6 b. (–3)    
7 a. 2    
7 b. 1    
8 a. (–10)    
8 b. 9    


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