Addition Worksheet

Solve.

1 a. ______ + 0 + (–9) = –1
1 b. 3 + ______ + 5 = 3
2 a. (–5) + (–4) + ______ = –17
2 b. (–10) + ______ + 8 = 4
3 a. (–10) + (–4) + ______ = –8
3 b. (–7) + ______ + 3 = –12
4 a. 6 + (–10) + ______ = 3
4 b. (–10) + ______ + (–10) = –26
5 a. 1 + (–2) + ______ = 7
5 b. (–5) + (–3) + ______ = –4
6 a. 3 + ______ + 3 = 4
6 b. ______ + 4 + 9 = 4
7 a. ______ + (–5) + 8 = 12
7 b. 8 + (–7) + ______ = –9
8 a. 1 + ______ + (–10) = –12
8 b. 2 + (–2) + ______ = –8
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Answer Key

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


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