Addition Worksheet

Solve.

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

Answer Key

1 a. 23    
1 b. –10    
2 a. –26    
2 b. –11    
3 a. –1    
3 b. –34    
4 a. 9    
4 b. 4    
5 a. 21    
5 b. 33    
6 a. –18    
6 b. 15    
7 a. 11    
7 b. –16    
8 a. –8    
8 b. 5    
9 a. –18    
9 b. 14    
10 a. –30    
10 b. –16    


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