Addition Worksheet

Solve.

1 a. 8 + _________ = 423
1 b. 5 + _________ = 410
2 a. 760 + _________ = 769
2 b. _________ + 511 = 515
3 a. _________ + 8 = 456
3 b. _________ + 4 = 857
4 a. 476 + _________ = 483
4 b. 112 + ______ = 115
5 a. _________ + 705 = 709
5 b. 6 + _________ = 818
6 a. 8 + ______ = 168
6 b. _________ + 594 = 596
7 a. 502 + _________ = 506
7 b. _________ + 920 = 921
8 a. 5 + _________ = 795
8 b. 8 + _________ = 534
9 a. _________ + 9 = 330
9 b. 643 + _________ = 647
10 a. 1 + _________ = 325
10 b. 956 + _________ = 957
Page 2

Answer Key

1 a. 415    
1 b. 405    
2 a. 9    
2 b. 4    
3 a. 448    
3 b. 853    
4 a. 7    
4 b. 3    
5 a. 4    
5 b. 812    
6 a. 160    
6 b. 2    
7 a. 4    
7 b. 1    
8 a. 790    
8 b. 526    
9 a. 321    
9 b. 4    
10 a. 324    
10 b. 1    


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