Addition Worksheet

Solve.

1 a. (–20) + (–1) + 6 + (–1) = ______
 
 
1 b. (–8) + (–18) + 1 + (–10) = ______
 
 
2 a. (–4) + 3 + 10 + 6 = ______
 
 
2 b. 9 + (–2) + (–1) + (–9) = ______
 
 
3 a. (–2) + (–8) + (–9) + (–20) = ______
 
 
3 b. (–15) + (–5) + (–6) + (–10) = ______
 
 
4 a. 16 + 10 + 10 + (–5) = ______
 
 
4 b. (–19) + (–1) + 2 + (–6) = ______
 
 
5 a. (–9) + 5 + 7 + 3 = ______
 
 
5 b. (–17) + 8 + 0 + 0 = ______
 
 
6 a. 15 + 6 + (–5) + (–10) = ______
 
 
6 b. 2 + 5 + (–1) + 4 = ______
 
 
7 a. (–7) + 4 + (–10) + 4 = ______
 
 
7 b. (–8) + (–3) + (–4) + 15 = ______
 
 
8 a. (–9) + (–6) + (–1) + (–8) = ______
 
 
8 b. 18 + 6 + (–3) + 1 = ______
 
 
9 a. (–13) + (–3) + (–4) + 1 = ______
 
 
9 b. (–18) + (–4) + 4 + (–7) = ______
 
 
10 a. (–3) + 5 + (–10) + 1 = ______
 
 
10 b. 13 + (–5) + 5 + (–3) = ______
 
 
Page 2

Answer Key

1 a. –16    
1 b. –35    
2 a. 15    
2 b. –3    
3 a. –39    
3 b. –36    
4 a. 31    
4 b. –24    
5 a. 6    
5 b. –9    
6 a. 6    
6 b. 10    
7 a. –9    
7 b. 0    
8 a. –24    
8 b. 22    
9 a. –19    
9 b. –25    
10 a. –7    
10 b. 10    

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