Addition Worksheet

Solve.

1 a. (–12) + 1 + (–7) = ______
1 b. (–15) + (–1) + (–4) = ______
2 a. (–16) + (–10) + 6 = ______
2 b. 19 + 7 + 8 = ______
3 a. 9 + 5 + (–10) = ______
3 b. 17 + (–2) + (–10) = ______
4 a. (–17) + (–4) + 4 = ______
4 b. (–17) + (–6) + 0 = ______
5 a. 18 + (–10) + (–3) = ______
5 b. 6 + (–4) + (–6) = ______
6 a. 4 + 0 + 7 = ______
6 b. 19 + 7 + 1 = ______
7 a. 17 + (–6) + 8 = ______
7 b. 11 + 3 + (–9) = ______
8 a. (–12) + (–10) + 2 = ______
8 b. 10 + 7 + 4 = ______
9 a. 3 + (–7) + (–7) = ______
9 b. (–12) + (–9) + 10 = ______
10 a. (–4) + 10 + (–4) = ______
10 b. (–20) + (–5) + 2 = ______
Page 2

Answer Key

1 a. –18    
1 b. –20    
2 a. –20    
2 b. 34    
3 a. 4    
3 b. 5    
4 a. –17    
4 b. –23    
5 a. 5    
5 b. –4    
6 a. 11    
6 b. 27    
7 a. 19    
7 b. 5    
8 a. –20    
8 b. 21    
9 a. –11    
9 b. –11    
10 a. 2    
10 b. –23    


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