GCF and LCM

Front

Which of these is a factor of 10? Options: 2, 4, 20

Back

2

Front

Which is not a factor of 12?

3

,

6

,

24

Back

24

Front

GCF of 4 and 12?

Back

4

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 of the following is a multiple of 7? Options: 14, 17, 22

Back

14

Front

Which of the following is not a multiple of 9?

9

,

19

,

90

Back

19

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

Gabriella volunteers at the hospital every 4th day and at the food pantry every 6th day. She volunteered at both on March 31. On what date will she next volunteer at both?

Back

April 12

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

Which pair of numbers has a LCM of 20? Options: 4 and 5, 2 and 10, 5 and 10

Back

4 and 5