Three Digit

Welcome to our Addition worksheet set, designed to help grade students master Three Digit! This is Set #5 in our comprehensive collection of free, printable math resources.

Practice Problems

1
686 + 284 =
2
781 + 298 =
3
598 + 257 =
4
913 + 358 =
5
692 + 682 =
6
946 + 479 =
7
191 + 381 =
8
497 + 945 =
9
224 + 758 =
10
314 + 913 =
11
544 + 713 =
12
215 + 389 =
13
465 + 735 =
14
900 + 840 =
15
244 + 512 =
16
958 + 233 =
17
978 + 862 =
18
600 + 148 =
19
239 + 247 =
20
306 + 249 =
Show Answers
1.970
2.1079
3.855
4.1271
5.1374
6.1425
7.572
8.1442
9.982
10.1227
11.1257
12.604
13.1200
14.1740
15.756
16.1191
17.1840
18.748
19.486
20.555