Addition Worksheet

Solve.

1 a. (–10) + (–2) + (–8) = ______
1 b. 10 + 5 + (–6) = ______
2 a. (–12) + 8 + 6 = ______
2 b. 1 + (–4) + 8 = ______
3 a. (–7) + (–7) + (–1) = ______
3 b. (–11) + (–4) + (–9) = ______
4 a. (–7) + 1 + (–8) = ______
4 b. 4 + 10 + (–4) = ______
5 a. (–3) + (–8) + (–7) = ______
5 b. 3 + (–1) + (–9) = ______
6 a. (–14) + (–2) + (–5) = ______
6 b. 7 + 3 + 10 = ______
7 a. (–3) + 1 + (–5) = ______
7 b. 12 + (–4) + 2 = ______
8 a. (–6) + (–2) + (–1) = ______
8 b. (–11) + (–3) + 1 = ______
9 a. (–19) + 6 + (–5) = ______
9 b. (–6) + 7 + 2 = ______
10 a. (–11) + 10 + 5 = ______
10 b. 6 + 3 + 7 = ______
Page 2

Answer Key

1 a. –20    
1 b. 9    
2 a. 2    
2 b. 5    
3 a. –15    
3 b. –24    
4 a. –14    
4 b. 10    
5 a. –18    
5 b. –7    
6 a. –21    
6 b. 20    
7 a. –7    
7 b. 10    
8 a. –9    
8 b. –13    
9 a. –18    
9 b. 3    
10 a. 4    
10 b. 16    


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