Double Digit Addition
24+32
56
274+319
693
79-16
63
237-129
108
4x5 (4 groups of 5)
20
18+41
59
341+349
690
45-33
12
323-218
105
6x3 (6 groups of 3)
18
65+26
91
265+626
891
58-49
9
458-349
109
10x2 (10 groups of 2)
20
88+42
130
388+542
930
85-67
18
785-467
318
6X5 (6 groups of 5)
30
78+44
122
678+644
1322
90-55
35
800-455
345
10x10 (10 groups of 10)
100