Addition Worksheet

Solve.

1 a. 10 + 1 + 4 = ______
1 b. (–10) + (–4) + 3 = ______
2 a. 4 + (–3) + (–5) = ______
2 b. 13 + 3 + (–1) = ______
3 a. (–9) + 4 + (–8) = ______
3 b. 14 + 2 + 3 = ______
4 a. (–1) + (–1) + (–4) = ______
4 b. (–17) + 3 + 1 = ______
5 a. 17 + 1 + 3 = ______
5 b. (–7) + 4 + 9 = ______
6 a. (–11) + (–8) + 5 = ______
6 b. 10 + 6 + (–1) = ______
7 a. (–11) + 0 + (–9) = ______
7 b. (–13) + (–3) + 7 = ______
8 a. (–19) + 5 + 0 = ______
8 b. (–5) + (–1) + (–9) = ______
9 a. 7 + (–5) + 5 = ______
9 b. (–17) + (–2) + (–8) = ______
10 a. (–5) + 6 + (–8) = ______
10 b. 11 + 5 + 0 = ______
Page 2

Answer Key

1 a. 15    
1 b. –11    
2 a. –4    
2 b. 15    
3 a. –13    
3 b. 19    
4 a. –6    
4 b. –13    
5 a. 21    
5 b. 6    
6 a. –14    
6 b. 15    
7 a. –20    
7 b. –9    
8 a. –14    
8 b. –15    
9 a. 7    
9 b. –27    
10 a. –7    
10 b. 16    

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