Kelly goes to work at Redners every 3rd day of the month. She also goes to work at Sears every 6th day of the month. To solve this problem, it involves using the: GCF or LCM?
LCM
200
List all of the common factors of 12 and 20.
1, 2, and 4
200
List 3 common multiples of 2 and 6.
6, 12, 18, 24, 30, 36, 42, 48, etc.
200
What is the greatest common factor of 24 and 20?
4
200
What is the least common multiple of 4 and 9?
36
200
You bring snacks for your basketball team every 5th game. Every 2nd game is a home game. When will be the first time that you bring snacks to a home game? (Find the LCM)
10th game
300
List all of the factors of 28.
1, 2, 4, 7, 14, 28
300
List the first 2 the common multiples of 6 and 8.
24 and 48
300
What is the greatest factor of 16 and 36?
4
300
What is the least common multiple of 2, 3, and 5?
30
300
Sarah is making bead necklaces. She has 16 blue beads and 24 green beads. What is the greatest number of identical necklaces she can make if she wants to use all the beads? (Find the GCF)
8 necklaces
400
List all of the factors of 19.
1 and 19.
400
List the first 2 common multiples between 4 and 10.
20 and 40
400
What is the great common factor of 50 and 35?
5
400
What is the least common multiple of 6 and 9?
18
400
Every 4th day of the month, Jodie must water her tulips. Every 6th day of the month, Jodie must mow the lawn. Find the first day that Jodie will need to do BOTH on the same day. (Find the LCM)
12th day
500
List all of the common factors of 27 and 18.
1, 3 and 9
500
Find the first 3 common multiples between 3 and 4.
12, 24, 36
500
What is the greatest common factor of 32 and 24?
8
500
What is the least common multiple of 4 and 9?
36
500
Johnny baked 36 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers
for his teacher friends at school. If he wants each container to have the greatest number of cookies possible, how many plastic containers does he need?
(Find the GCF)