Addition Worksheet

Solve.

1 a. 7 + (–6) + (–1) = ______
1 b. (–5) + 0 + (–9) = ______
2 a. (–3) + (–7) + (–2) = ______
2 b. 0 + 4 + (–3) = ______
3 a. (–9) + (–8) + 3 = ______
3 b. (–15) + 0 + (–6) = ______
4 a. (–20) + 1 + (–2) = ______
4 b. 13 + 1 + 6 = ______
5 a. (–20) + (–2) + 9 = ______
5 b. 11 + 6 + 1 = ______
6 a. 13 + 2 + 5 = ______
6 b. (–5) + (–3) + (–2) = ______
7 a. (–15) + (–9) + 10 = ______
7 b. 9 + (–5) + 2 = ______
8 a. (–6) + (–10) + 5 = ______
8 b. 8 + 10 + (–3) = ______
9 a. 12 + 6 + 4 = ______
9 b. (–7) + (–8) + (–8) = ______
10 a. 13 + (–5) + 4 = ______
10 b. 20 + 7 + 10 = ______
Page 2

Answer Key

1 a. 0    
1 b. –14    
2 a. –12    
2 b. 1    
3 a. –14    
3 b. –21    
4 a. –21    
4 b. 20    
5 a. –13    
5 b. 18    
6 a. 20    
6 b. –10    
7 a. –14    
7 b. 6    
8 a. –11    
8 b. 15    
9 a. 22    
9 b. –23    
10 a. 12    
10 b. 37    

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