Addition Worksheet

Solve.

1 a. (–8) + 4 + (–8) = ______
1 b. (–7) + (–1) + 8 = ______
2 a. (–11) + (–6) + 5 = ______
2 b. (–10) + (–2) + (–1) = ______
3 a. 12 + 2 + 9 = ______
3 b. 1 + 7 + (–5) = ______
4 a. 3 + 1 + (–9) = ______
4 b. (–15) + (–5) + (–2) = ______
5 a. 7 + (–1) + 2 = ______
5 b. 20 + (–3) + (–9) = ______
6 a. (–14) + 1 + 0 = ______
6 b. (–15) + 9 + 10 = ______
7 a. 17 + (–10) + 5 = ______
7 b. 16 + 10 + 8 = ______
8 a. 10 + (–9) + (–10) = ______
8 b. 7 + 10 + 4 = ______
9 a. 6 + 1 + (–1) = ______
9 b. (–14) + 3 + 9 = ______
10 a. (–18) + (–2) + (–4) = ______
10 b. (–16) + (–10) + 1 = ______
Page 2

Answer Key

1 a. –12    
1 b. 0    
2 a. –12    
2 b. –13    
3 a. 23    
3 b. 3    
4 a. –5    
4 b. –22    
5 a. 8    
5 b. 8    
6 a. –13    
6 b. 4    
7 a. 12    
7 b. 34    
8 a. –9    
8 b. 21    
9 a. 6    
9 b. –2    
10 a. –24    
10 b. –25    

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