Addition Worksheet

Solve.

1 a. ___ + (–9) = –2
1 b. (–9) + ___ = –7
2 a. ___ + (–1) = –3
2 b. (–5) + ___ = –6
3 a. ___ + (–6) = –5
3 b. ___ + (–7) = –11
4 a. (–7) + ___ = 2
4 b. 8 + ___ = 5
5 a. (–2) + ___ = –12
5 b. ___ + 10 = 6
6 a. ___ + (–10) = –16
6 b. ___ + (–10) = –8
7 a. ___ + (–5) = –4
7 b. ___ + (–8) = –6
8 a. 5 + ___ = 2
8 b. ___ + (–7) = –4
9 a. (–10) + ___ = –14
9 b. ___ + (–6) = –7
10 a. (–6) + ___ = 0
10 b. (–4) + ___ = –5
Page 2

Answer Key

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


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