1/10 Independent Practice

A prime number...

• has one factor.

• has more than 2 factors.

• has 100 factors.

• has exactly 2 factors: 1 and the itself.

Tags

CCSS.4.OA.B.4

A composite number ...

• has more than 2 factors.

• has one factor.

• has at least 10 factors.

• is always a really big number.

Tags

CCSS.4.OA.B.4

 

One is...

• prime

• composite

• not prime or composite

• he loneliest number

Tags

CCSS.4.OA.B.4

Is 5, a prime or composite number? 

• prime

• composite

Tags

CCSS.4.OA.B.4

Which is the prime factorization of 12 ? 

• 2 x 6

• 2 + 2 + 2 + 2 + 2 + 2 

• 2² x 3

• 1 x 2² x 3

What is the prime factorization of 16 ? 

• 1 x 16

• 2²x 4

• 2⁴

• 2² + 2²

Which of the following are all prime numbers

• 2, 3, 6, 7, 9
• 2, 4, 8, 16
• 2, 3, 5, 7, 9
• 2, 3, 5, 7, 11

Tags

CCSS.4.OA.B.4

Which number is a factor of 10

• 3
• 4
• 5
• 8

Tags

CCSS.4.OA.B.4

Which number is a factor of 21

• 8
• 9
• 6
• 3

Tags

CCSS.4.OA.B.4

Which are the factors of 24?

• 1, 2, 3, 8, 12, 24
• 2, 3, 4, 6, 8, 12
• 1, 2, 3, 4, 6, 8, 12, 24

Tags

CCSS.4.OA.B.4