4-digit and 4-digit addition
Practice add the numbers
3458 + 2309
4252 + 9076
5167 + 1423
3945 + 5578
7798 + 4437
2151 + 2149
7350 + 9728
6190 + 3153
9853 + 1579
4234 + 2557
9942 + 7028
8680 + 8409
1915 + 2543
2990 + 3459
1625 + 5767
8444 + 6181



