Addition Worksheet

Solve.

1 a. ___ + (–8) = 0
1 b. ___ + (–2) = –3
2 a. ___ + (–3) = 7
2 b. (–1) + ___ = 3
3 a. ___ + 9 = 0
3 b. 8 + ___ = –2
4 a. (–3) + ___ = –12
4 b. ___ + (–6) = –11
5 a. ___ + (–2) = –5
5 b. 5 + ___ = 4
6 a. ___ + (–8) = –15
6 b. ___ + (–3) = –9
7 a. (–4) + ___ = –10
7 b. ___ + (–10) = –12
8 a. (–2) + ___ = –12
8 b. ___ + (–5) = –13
9 a. (–7) + ___ = –14
9 b. (–6) + ___ = 0
10 a. ___ + (–1) = –5
10 b. 0 + ___ = –3
Page 2

Answer Key

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


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