Addition Worksheet

Solve.

1 a. (–6) + (–5) + (–10) = ______
1 b. 18 + (–8) + (–9) = ______
2 a. (–5) + (–2) + (–10) = ______
2 b. 3 + (–5) + 9 = ______
3 a. 7 + 10 + 9 = ______
3 b. (–19) + 5 + 6 = ______
4 a. (–20) + 7 + 2 = ______
4 b. 11 + (–5) + (–1) = ______
5 a. (–10) + (–4) + 1 = ______
5 b. (–16) + 3 + (–7) = ______
6 a. 19 + (–5) + 9 = ______
6 b. 7 + (–10) + (–6) = ______
7 a. (–14) + (–10) + (–8) = ______
7 b. (–10) + 4 + (–7) = ______
8 a. 4 + (–5) + 2 = ______
8 b. 4 + 7 + 8 = ______
9 a. (–14) + 1 + 7 = ______
9 b. 17 + 9 + 4 = ______
10 a. 7 + (–10) + 8 = ______
10 b. 15 + (–9) + (–8) = ______
Page 2

Answer Key

1 a. –21    
1 b. 1    
2 a. –17    
2 b. 7    
3 a. 26    
3 b. –8    
4 a. –11    
4 b. 5    
5 a. –13    
5 b. –20    
6 a. 23    
6 b. –9    
7 a. –32    
7 b. –13    
8 a. 1    
8 b. 19    
9 a. –6    
9 b. 30    
10 a. 5    
10 b. –2    


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