Addition Worksheet

Solve.

1 a. 20 + 5 + 7 + ______ = 122
1 b. ______ + 10 + 3 + 6 = 59
2 a. 4 + 7 + 90 + ______ = 111
2 b. 90 + 20 + ______ + 2 = 114
3 a. 5 + ______ + 50 + 50 = 109
3 b. ______ + 20 + 3 + 7 = 100
4 a. 4 + 7 + ______ + 30 = 91
4 b. 2 + 90 + ______ + 50 = 145
5 a. ______ + 40 + 8 + 3 = 131
5 b. 9 + 10 + ______ + 10 = 33
6 a. ______ + 5 + 2 + 90 = 117
6 b. 40 + 10 + 2 + ______ = 55
7 a. 30 + 7 + ______ + 20 = 59
7 b. 30 + 7 + 7 + ______ = 104
Page 2

Answer Key

1 a. 90    
1 b. 40    
2 a. 10    
2 b. 2    
3 a. 4    
3 b. 70    
4 a. 50    
4 b. 3    
5 a. 80    
5 b. 4    
6 a. 20    
6 b. 3    
7 a. 2    
7 b. 60    


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