Addition Worksheet

Solve.

1 a. 399 + 3 = ________
1 b. 167 + 4 = ________
2 a. 293 + 6 = ________
2 b. 201 + 1 = ________
3 a. 411 + 4 = ________
3 b. 557 + 6 = ________
4 a. 687 + 4 = ________
4 b. 417 + 8 = ________
5 a. 625 + 1 = ________
5 b. 878 + 7 = ________
6 a. 424 + 8 = ________
6 b. 904 + 7 = ________
7 a. 727 + 9 = ________
7 b. 888 + 1 = ________
8 a. 990 + 8 = ________
8 b. 195 + 3 = ________
9 a. 809 + 8 = ________
9 b. 304 + 8 = ________
10 a. 481 + 5 = ________
10 b. 532 + 6 = ________
Page 2

Answer Key

1 a. 402    
1 b. 171    
2 a. 299    
2 b. 202    
3 a. 415    
3 b. 563    
4 a. 691    
4 b. 425    
5 a. 626    
5 b. 885    
6 a. 432    
6 b. 911    
7 a. 736    
7 b. 889    
8 a. 998    
8 b. 198    
9 a. 817    
9 b. 312    
10 a. 486    
10 b. 538    


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