Addition Worksheet

Solve.

1 a. ___ + (–7) = –15
1 b. ___ + (–10) = –15
2 a. (–4) + ___ = –12
2 b. ___ + (–10) = –19
3 a. ___ + (–10) = –1
3 b. (–1) + ___ = –2
4 a. ___ + 10 = 0
4 b. (–10) + ___ = –20
5 a. (–7) + ___ = 1
5 b. (–9) + ___ = –17
6 a. ___ + 3 = –6
6 b. ___ + (–7) = –10
7 a. (–6) + ___ = –11
7 b. ___ + (–3) = –4
8 a. ___ + (–1) = 5
8 b. (–2) + ___ = –12
9 a. ___ + 0 = –8
9 b. 6 + ___ = 5
10 a. (–1) + ___ = –6
10 b. ___ + (–4) = 6
Page 2

Answer Key

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


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