Factors
List all of the factors of 18.
1, 2, 3, 6, 9, and 18
List 2 multiples of 8 that are less than 50.
8, 16, 24, 32, 40, 48
What is the greatest common factor of 12 and 15
3
What is the least common multiple of 3 and 7?
21
Timer 1 is set to beep every 8 minutes. Timer 2 is set to beep every 6 minutes. How many times will they beep at the same time in 30 minutes?
Use your 100 chart up to 30.
1
List all of the common factors of 18 and 30.
1, 2, 3, and 6
List 2 common multiples of 2 and 6.
6, 12, 18, 24, 30, 36, 42, 48, etc.
What is the greatest common factor of 24 and 20?
4
What is the least common multiple of 4 and 9?
36
You bring snacks for your basketball team every fifth game. Every third game is a home game. When will be the first time that you bring snacks to a home game?
15th game
List all of the factors of 24.
1, 2, 3, 4, 6, 12, and 24
List a common multiple of 6 and 8 that is less than 50.
24 and 48
What is the greatest factor of 16 and 36?
4
What is the least common multiple of 2, 3, and 5?
30
Sarah is making bead necklaces. She has 48 blue beads and 36 green beads. What is the greatest number of identical necklaces she can make if she wants to use all the beads?
6
List all of the factors of 35.
1, 5, 7 and 35
List 3 multiples of 7 greater than 10 but less than 50.
14, 21, 28, 35, 42, 49
What is the great common factor of 25, 35, and 15?
5
What is the least common multiple of 20 and 12?
60
Three pigs entered a race around a track. Piggly takes 4 minutes to run one lap. Piglet takes 6 minutes to run one lap and it takes Wiggly 8 minutes to run one lap. If all three pigs begin the race at the same time, how many minutes will it take for all three pigs to be at the starting point again?
24 minutes
List all of the common factors of 24 and 36.
1, 2, 3, 4, 6, 12
List a the common multiple of 9 and 15 that is less than 50.
45
What is the greatest common factor of 64 and 48?
8
What is the least common multiple of 6 and 11?
66
Johnny baked 36 oatmeal cookies and 24 chocolate chip cookies to package in plastic containers for his teacher friends at school. He wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If he wants each container to have the greatest number of cookies possible, how many plastic containers does he need?
12 plastic containers