Hard · Set 1
20 problems
Name:
Class:
Date:
1
152 + 513
=
2
533 + 401
=
3
809 + 741
=
4
566 + 387
=
5
940 + 996
=
6
383 + 822
=
7
671 + 411
=
8
395 + 362
=
9
984 + 321
=
10
166 + 419
=
11
125 + 921
=
12
336 + 874
=
13
446 + 180
=
14
429 + 241
=
15
404 + 823
=
16
674 + 167
=
17
956 + 213
=
18
740 + 290
=
19
589 + 789
=
20
434 + 154
=