Addition Worksheet

Solve.

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

Answer Key

1 a. 14    
1 b. 2    
2 a. 22    
2 b. –2    
3 a. –23    
3 b. –3    
4 a. –29    
4 b. 0    
5 a. 16    
5 b. –14    
6 a. 14    
6 b. 6    
7 a. 7    
7 b. 9    
8 a. –13    
8 b. 20    
9 a. 8    
9 b. –6    
10 a. 3    
10 b. 1    


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