GCF and LCM

Front

GCF of: 56 and 49

Back

7

Front

GCF of:
14 and 20

Back

2

Front

GCF of 32 and 40

Back

8

Front

Bill cut out 6 squares and 8 circles. He divided the cutouts into groups so that the same number of squares and circles were in each group. What is the greatest number of groups he could have made?

Back

2

Front

Which pair of numbers has a GCF of 6? Options: 3 and 18, 6 and 12, 12 and 24

Back

6 and 12

Front

Every third visitor to a museum gets a free bumper sticker. Every fifth visitor to that museum gets a free key chain. Which visitor each day will be the first one to get both the bumper sticker and the key chain?

Back

15th

Front

Find the LCM of 3 and 5.

Back

15

Front

Find the LCM of 8 and 12.

Back

24

Front

Find the LCM of 4, 5, 6.

Back

60

Front

Find the LCM of 5, 10, 15.

Back

30