Addition Worksheet

Solve.

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

Answer Key

1 a. –25    
1 b. –12    
2 a. 22    
2 b. 15    
3 a. 19    
3 b. –23    
4 a. 4    
4 b. –2    
5 a. –8    
5 b. 12    
6 a. –16    
6 b. 12    
7 a. –9    
7 b. –5    
8 a. –15    
8 b. –9    

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