Identifying GCFs

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

Tags

CCSS.6.NS.B.4

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

Tags

CCSS.6.NS.B.4

What is the GCF of 20 and 30?

• 5
• 2
• 10
• 20

Tags

CCSS.6.NS.B.4

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

Tags

CCSS.6.NS.B.4

GCF stands for...

• great calculator festival
• giant circumference fact
• grouped calculation finder
• greatest common factor

Tags

CCSS.6.NS.B.4

Which pair of numbers has a GCF of 1?

• 51 and 17
• 20 and 9 
• 24 and 27
• 14 and 44

Tags

CCSS.6.NS.B.4

What is the greatest common factor of 8x² and 4x?

• 8x²

• 4x²

• 2x

• 4x

Tags

CCSS.7.EE.A.1

What is the GCF? -6x-9

• x
• -6
• -3
• 6

Tags

CCSS.7.EE.A.1