Addition Worksheet

Solve.

1 a. 9 + 4 + (–5) = ______
1 b. (–3) + 6 + (–9) = ______
2 a. 14 + 9 + 8 = ______
2 b. 6 + (–1) + 2 = ______
3 a. (–12) + 7 + (–4) = ______
3 b. 4 + (–4) + (–6) = ______
4 a. (–2) + 7 + 1 = ______
4 b. 20 + (–8) + (–7) = ______
5 a. (–11) + (–5) + (–1) = ______
5 b. 2 + 1 + (–1) = ______
6 a. (–15) + (–6) + 1 = ______
6 b. (–13) + (–8) + (–9) = ______
7 a. (–19) + (–8) + 0 = ______
7 b. (–9) + (–2) + (–2) = ______
8 a. (–17) + (–10) + (–5) = ______
8 b. (–2) + 10 + 5 = ______
9 a. 2 + (–9) + 2 = ______
9 b. 1 + (–2) + (–2) = ______
10 a. 2 + (–6) + 4 = ______
10 b. (–5) + 6 + (–5) = ______
Page 2

Answer Key

1 a. 8    
1 b. –6    
2 a. 31    
2 b. 7    
3 a. –9    
3 b. –6    
4 a. 6    
4 b. 5    
5 a. –17    
5 b. 2    
6 a. –20    
6 b. –30    
7 a. –27    
7 b. –13    
8 a. –32    
8 b. 13    
9 a. –5    
9 b. –3    
10 a. 0    
10 b. –4    

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