SOL 5.3a Prime and Composite Classwork

What are all prime numbers divisible by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

Find the prime number

• 10
• 9
• 7
• 4

Is 33 a prime or composite number?

• Prime
• Composite

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

What number is the only even prime number?

• 0
• 2
• 1
• 3

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

Choose the answer that describes the number 51

• Odd and prime

• Odd and composite

• Even and prime

• Even and composite

Tags

CCSS.4.OA.B.4

Which multiplication array shows a prime number?

• 
• 
• 
• 

Tags

CCSS.4.OA.B.4

0 and 1 are identified as..

• Prime

• Neither prime nor composite

• Composite

Which of the following is NOT true about prime numbers? 

• They have exactly two factors 
• 1 is a factor of every prime number
• No prime numbers end in zero
• All prime numbers are odd numbers.  

Tags

CCSS.4.OA.B.4