A1 Ch7 Part 2

Factors of 15.

• 1,3,5,15

• 1,3,5,10,15

Tags

CCSS.4.OA.B.4

Factors of 63.

• 1, 3, 7, 9, 21, 63

• 1, 3, 7, 9, 31, 63

Tags

CCSS.4.OA.B.4

Write 36 as the product of it's prime factors...

• 2 x 2 x 3 x 3

• 2 x 2 x 2 x 3

• 2² x 3²

• 2² x 3

Use a factor tree to find the prime factorization of 45

• 3 x 3 x 5

• 3 x 5 x 4

• 3 x 2 x 8

• 9 x 5

Which group are ALL prime numbers?

• 1,2,3,4,5

• 2,4,6,8,10

• 2,3,5,7,11,13

• 2,3,5,7,9,11

Tags

CCSS.4.OA.B.4

GCF of: 
14 and 20

• 7
• 28
• 2
• 6

Find the GCF of 12 and 6. 

• 1
• 6
• 2
• 3

GCF of 32 and 40

• 2
• 4
• 6
• 8

What is the greatest common factor of 48x²and 32x³?

• 8x²
• 16x²
• 16x
• 96x³

What is the greatest common factor of 42xy² and 28x³y?

• 84x³y²
• 14y
• 14xy
• 14xy²