Greatest Common Factor Problems

The video tutorial covers the concept of the Greatest Common Factor (GCF) in mathematics, aimed at 6th-grade students. It begins with an introduction to GCF, followed by an exploration activity using a florist example to find common factors. The tutorial includes examples with bagels and discusses the GCF of prime numbers. It also covers the use of the distributive property in finding GCF and provides various practice problems to reinforce learning.

What is the greatest common factor of 18 and 30?

• 3

• 9

• 2

• 6

If a baker has 24 sesame bagels and 36 plain bagels, what is the greatest number of boxes that can be made using all the bagels?

• 6

• 8

• 10

• 12

What is the greatest common factor of two prime numbers?

• 3

• It depends on the numbers

• 2

• 1

How can you express 45 + 60 using the distributive property and their greatest common factor?

• 9(5 + 6)

• 6(7 + 8)

• 15(3 + 4)

• 12(4 + 5)

What is the greatest common factor of 27 and 18?

• 6

• 3

• 9

• 12

If Lee is sewing vests using 16 green buttons and 24 blue buttons, what is the greatest number of vests she can make?

• 4

• 8

• 10

• 6

What is the greatest common factor of 75 and 90?

• 5

• 10

• 15

• 20

How can you rewrite 36 + 45 using the distributive property and their greatest common factor?

• 9(4 + 5)

• 12(3 + 4)

• 15(2 + 3)

• 9(3 + 5)

What is the greatest common factor of 40 and 48?

• 16

• 4

• 8

• 12

What is the greatest common factor of 39 and 64?

• 4

• 1

• 3

• 2