Factors
Name all the factors of 2
1, 2,
Name 1 multiple of 10
10, 20, 30, 40, 50, 60, etc.
What is one factor pair with a product of 12.
12 x 1
6 x 2
3 x 4
What is the GCF of 4 and 10
2
Jenna has 12 green pompoms. Her friend Sally has 20 blue pompoms. What is the greatest number of boxes they will need to group the same number of green and blue pompoms together in each box?
12: 1, 12, 3, 4, 2, 6
20: 1, 2, 10, 20, 5, 4
The GCF is 4.
Name all the factors of 6
1, 2, 3, 6
Name 3 multiples of 2
Any multiple of 2 works (All even numbers except 0)
What is one factor pair with a product of 30?
1 x 30
2 x 15
3 x 30
5 x 6
What is the GCF of 8 and 16
8
Bob has 10 colored pencils. His friend Greg has 15 markers to divide into containers for class. If Bob wants to have the same number of colored pencils and the same number of markers, what is the greatest number of containers Bob will need?
10: 1, 2, 5, 10
15: 1, 3, 5, 15
GCF: 5
Name all the factors of 10
1, 2, 5, 10
Name 2 multiples of 12
Any of the following is correct:
12, 24, 36, 48, 60, etc.
What is one factor pair with a product of 36
1 x 36
9 x 4
2 x 18
3 x 23
6 x 6
What is the GCF of 12 and 20
4
Mr. Nelson has 30 carrot sticks. Mrs. Nelson has 40 celery sticks. What is the greatest number of cups they will need to group the same number of carrot sticks and celery sticks in each cup?
30: 1, 2, 3, 10, 15, 30
40: 1, 2, 4, 5, 8, 10, 20
GCF: 10
Name all the factors of 50
1, 2, 5, 10, 25, 50
Name 4 multiples of 5
Any multiple of 5 (Any numbers 5 or greater that end in 0, or 5)
What is one factor pair with a product of 45?
1 x 45
3 x 15
5 x 9
What is the GCF of 27 and 36
9
The builder has 36 nails. He also has 48 washers. What is the greatest number washers and nails that he can group together?
36: 1, 2, 3, 4, 6, 18, 12, 36, 4
48: 1, 2, 4, 6, 8, 16, 24, 12,
GCF: 12
Name all the factors of 24
1, 2, 3, 4, 6, 8, 12, 24
Name 3 multiples of 9
Any multiples of 9 work.
9, 18, 27, 36, 45, etc.
What factor is paired with 8 to get a product of 32.
4
What is the GCF of 24 and 56
8
The boy has 16 bats and 24 balls. What is the greatest number of groups of bats and balls that he can group together so that there are an equal number of bats and balls in each group?
16: 1,2,4, 8, 16
24: 1, 2, 3, 4, 6, 8, 12, 24
GCF: 8