Addition Worksheet

Solve.

1 a. 20 + 6 + (–5) = ______
1 b. (–6) + 9 + 5 = ______
2 a. (–4) + 3 + (–9) = ______
2 b. 8 + 8 + 3 = ______
3 a. (–8) + (–5) + (–6) = ______
3 b. (–13) + 4 + 4 = ______
4 a. (–9) + 5 + (–3) = ______
4 b. (–4) + 2 + 3 = ______
5 a. (–10) + (–5) + (–6) = ______
5 b. 3 + 4 + 10 = ______
6 a. (–4) + (–1) + (–5) = ______
6 b. (–8) + (–2) + (–3) = ______
7 a. (–10) + (–10) + (–9) = ______
7 b. 2 + (–3) + (–1) = ______
8 a. 0 + 2 + (–3) = ______
8 b. 10 + 5 + 2 = ______
9 a. (–17) + 3 + (–3) = ______
9 b. 0 + (–4) + (–8) = ______
10 a. (–4) + 0 + 7 = ______
10 b. (–16) + 8 + 3 = ______
Page 2

Answer Key

1 a. 21    
1 b. 8    
2 a. –10    
2 b. 19    
3 a. –19    
3 b. –5    
4 a. –7    
4 b. 1    
5 a. –21    
5 b. 17    
6 a. –10    
6 b. –13    
7 a. –29    
7 b. –2    
8 a. –1    
8 b. 17    
9 a. –17    
9 b. –12    
10 a. 3    
10 b. –5    


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