Addition Worksheet

Solve.

1 a. (–10) + ___ = –10
1 b. ___ + (–1) = –9
2 a. ___ + (–8) = –13
2 b. ___ + (–2) = –8
3 a. (–5) + ___ = –5
3 b. (–4) + ___ = –7
4 a. ___ + 0 = –9
4 b. ___ + 2 = 1
5 a. ___ + (–10) = –18
5 b. ___ + 0 = –3
6 a. ___ + (–4) = 4
6 b. (–1) + ___ = 1
7 a. ___ + 1 = –7
7 b. (–9) + ___ = –18
8 a. ___ + (–6) = –11
8 b. (–5) + ___ = –11
9 a. ___ + 3 = –2
9 b. (–6) + ___ = 1
10 a. (–2) + ___ = 5
10 b. (–7) + ___ = –2
Page 2

Answer Key

1 a. 0    
1 b. (–8)    
2 a. (–5)    
2 b. (–6)    
3 a. 0    
3 b. (–3)    
4 a. (–9)    
4 b. (–1)    
5 a. (–8)    
5 b. (–3)    
6 a. 8    
6 b. 2    
7 a. (–8)    
7 b. (–9)    
8 a. (–5)    
8 b. (–6)    
9 a. (–5)    
9 b. 7    
10 a. 7    
10 b. 5    


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