Addition Worksheet

Solve.

1 a. (–10) + 3 + 3 = ______
1 b. 16 + (–10) + (–5) = ______
2 a. 19 + (–2) + (–8) = ______
2 b. 8 + 9 + 1 = ______
3 a. 20 + 5 + 3 = ______
3 b. (–2) + (–4) + 0 = ______
4 a. (–14) + 4 + (–8) = ______
4 b. (–18) + (–2) + (–8) = ______
5 a. 12 + 4 + 5 = ______
5 b. (–3) + (–6) + 8 = ______
6 a. (–13) + (–2) + (–6) = ______
6 b. (–15) + (–8) + (–7) = ______
7 a. (–10) + 0 + (–1) = ______
7 b. 10 + (–7) + 8 = ______
8 a. (–6) + 9 + 3 = ______
8 b. (–3) + 2 + (–7) = ______
9 a. (–6) + 2 + 3 = ______
9 b. 18 + (–4) + 4 = ______
10 a. (–5) + (–7) + 6 = ______
10 b. (–7) + 2 + 9 = ______
Page 2

Answer Key

1 a. –4    
1 b. 1    
2 a. 9    
2 b. 18    
3 a. 28    
3 b. –6    
4 a. –18    
4 b. –28    
5 a. 21    
5 b. –1    
6 a. –21    
6 b. –30    
7 a. –11    
7 b. 11    
8 a. 6    
8 b. –8    
9 a. –1    
9 b. 18    
10 a. –6    
10 b. 4    


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