Addition Worksheet

Solve.

1 a. 3 + (–7) + 3 = ______
1 b. (–18) + 0 + (–5) = ______
2 a. 20 + (–1) + 1 = ______
2 b. 12 + 1 + (–4) = ______
3 a. (–10) + 6 + 6 = ______
3 b. (–8) + 1 + 1 = ______
4 a. (–2) + (–6) + 1 = ______
4 b. (–8) + 5 + 9 = ______
5 a. 12 + 2 + (–10) = ______
5 b. (–9) + 8 + (–6) = ______
6 a. (–15) + 0 + (–8) = ______
6 b. 16 + 4 + 5 = ______
7 a. 5 + (–7) + (–6) = ______
7 b. 12 + 10 + (–3) = ______
8 a. (–7) + 9 + (–4) = ______
8 b. 20 + (–6) + 4 = ______
9 a. 1 + (–10) + (–8) = ______
9 b. (–3) + 6 + 4 = ______
10 a. (–13) + 3 + 4 = ______
10 b. (–17) + (–8) + (–7) = ______
Page 2

Answer Key

1 a. –1    
1 b. –23    
2 a. 20    
2 b. 9    
3 a. 2    
3 b. –6    
4 a. –7    
4 b. 6    
5 a. 4    
5 b. –7    
6 a. –23    
6 b. 25    
7 a. –8    
7 b. 19    
8 a. –2    
8 b. 18    
9 a. –17    
9 b. 7    
10 a. –6    
10 b. –32    

Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net