Addition Worksheet

Solve.

1 a. ______ + (–7) + 4 = –1
1 b. 9 + ______ + (–8) = –7
2 a. (–1) + (–4) + ______ = –1
2 b. (–7) + (–7) + ______ = –23
3 a. 1 + ______ + 8 = 8
3 b. ______ + (–8) + 7 = 9
4 a. 0 + 7 + ______ = 2
4 b. ______ + 6 + (–3) = –5
5 a. ______ + (–3) + 0 = 3
5 b. ______ + (–8) + 1 = –4
6 a. 1 + (–5) + ______ = –8
6 b. (–4) + (–8) + ______ = –19
7 a. (–5) + (–5) + ______ = –11
7 b. 0 + (–6) + ______ = –13
8 a. (–6) + (–9) + ______ = –5
8 b. ______ + (–5) + 2 = –6
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Answer Key

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


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