Common Core: 4.OA
Answer Key
Grade 4factorsEasy

GCF 2

More GCF

10 problems

1.
31
× 7
__
2.
26
× 8
__
3.
21
× 9
__
4.
16
×10
__
5.
12
×10
__
6.
36
×13
__
7.
31
×14
__
8.
26
×15
__
9.
21
×17
__
10.
18
×16
__