Addition Worksheet

Solve.

1 a. (–15) + 9 + 5 = ______
1 b. 2 + (–2) + 5 = ______
2 a. (–6) + 9 + 9 = ______
2 b. (–14) + (–6) + 5 = ______
3 a. 17 + 3 + 5 = ______
3 b. 16 + 6 + 5 = ______
4 a. (–15) + (–10) + (–5) = ______
4 b. (–1) + (–3) + 0 = ______
5 a. 6 + (–1) + (–2) = ______
5 b. 9 + (–7) + (–8) = ______
6 a. 5 + (–10) + (–8) = ______
6 b. (–10) + (–1) + (–5) = ______
7 a. 20 + (–9) + 8 = ______
7 b. (–1) + (–4) + 0 = ______
8 a. 2 + 10 + 0 = ______
8 b. (–1) + 7 + 5 = ______
9 a. 16 + 4 + 1 = ______
9 b. 6 + (–5) + 2 = ______
10 a. 18 + 6 + (–2) = ______
10 b. (–16) + (–3) + 4 = ______
Page 2

Answer Key

1 a. –1    
1 b. 5    
2 a. 12    
2 b. –15    
3 a. 25    
3 b. 27    
4 a. –30    
4 b. –4    
5 a. 3    
5 b. –6    
6 a. –13    
6 b. –16    
7 a. 19    
7 b. –5    
8 a. 12    
8 b. 11    
9 a. 21    
9 b. 3    
10 a. 22    
10 b. –15    


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