Addition Worksheet

Solve.

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

Answer Key

1 a. –7    
1 b. 21    
2 a. 3    
2 b. –1    
3 a. 11    
3 b. –14    
4 a. 17    
4 b. –12    
5 a. –5    
5 b. –12    
6 a. 15    
6 b. –26    
7 a. –13    
7 b. –33    
8 a. 1    
8 b. 11    
9 a. –8    
9 b. –4    
10 a. –4    
10 b. –6    


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