Addition Worksheet

Solve.

1 a. (–6) + ___ = –15
1 b. ___ + (–10) = –19
2 a. ___ + (–9) = –1
2 b. ___ + 5 = –3
3 a. ___ + 8 = 4
3 b. ___ + 7 = –3
4 a. ___ + (–10) = –1
4 b. ___ + (–3) = 2
5 a. ___ + (–9) = –18
5 b. ___ + (–3) = –7
6 a. ___ + 5 = 4
6 b. (–5) + ___ = –13
7 a. (–7) + ___ = –17
7 b. (–5) + ___ = 3
8 a. ___ + (–1) = –9
8 b. ___ + (–2) = –9
9 a. (–8) + ___ = –17
9 b. ___ + (–9) = –11
10 a. ___ + (–6) = –1
10 b. (–8) + ___ = –9
Page 2

Answer Key

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


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