Addition Worksheet

Solve.

1 a. ______ + (–5) + (–8) = –14
 
 
1 b. ______ + (–1) + (–5) = –8
 
 
2 a. (–6) + ______ + 0 = –16
 
 
2 b. (–9) + 10 + ______ = 2
 
 
3 a. ______ + (–7) + (–4) = –15
 
 
3 b. ______ + (–4) + (–8) = –11
 
 
4 a. (–7) + ______ + 4 = –2
 
 
4 b. ______ + 0 + 5 = –1
 
 
5 a. ______ + (–4) + 1 = –6
 
 
5 b. (–6) + (–10) + ______ = –21
 
 
6 a. 8 + ______ + (–3) = 0
 
 
6 b. (–6) + (–8) + ______ = –5
 
 
7 a. 10 + ______ + (–10) = –4
 
 
7 b. (–3) + 1 + ______ = –12
 
 
8 a. ______ + 3 + (–9) = –4
 
 
8 b. ______ + (–9) + 10 = –1
 
 
9 a. ______ + (–6) + (–4) = –17
 
 
9 b. 5 + (–5) + ______ = –7
 
 
10 a. 1 + ______ + 8 = 0
 
 
10 b. (–6) + (–6) + ______ = –19
 
 
Page 2

Answer Key

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


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