Addition Worksheet

Solve.

1 a. ______ + (–2) + 6 = 11
 
 
1 b. (–9) + (–5) + ______ = –19
 
 
2 a. (–6) + ______ + (–3) = 1
 
 
2 b. (–9) + ______ + 9 = –1
 
 
3 a. (–4) + ______ + 0 = –5
 
 
3 b. ______ + (–4) + 3 = 2
 
 
4 a. ______ + (–8) + 4 = 1
 
 
4 b. (–2) + ______ + (–8) = –8
 
 
5 a. (–8) + ______ + 5 = –13
 
 
5 b. ______ + (–6) + 1 = –9
 
 
6 a. ______ + (–1) + 4 = 0
 
 
6 b. ______ + (–1) + (–1) = –12
 
 
7 a. ______ + (–1) + 9 = 1
 
 
7 b. ______ + (–10) + 7 = 7
 
 
8 a. 8 + 6 + ______ = 11
 
 
8 b. ______ + (–9) + 0 = –7
 
 
9 a. 1 + (–1) + ______ = –10
 
 
9 b. 6 + (–2) + ______ = 8
 
 
10 a. 0 + 6 + ______ = 3
 
 
10 b. ______ + (–6) + (–6) = –22
 
 
Page 2

Answer Key

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


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