Prime and Composite Numbers

What are factors?

• The top number in a fraction.
• The numbers multiplied together to make a product.
• The bottom number in a fraction.
• Angles smaller than 90 degrees.

Tags

CCSS.4.OA.B.4

How is a prime number different from a composite number?

• Prime numbers are smaller than composite numbers.
• Composite numbers are larger than prime numbers.
• All odd numbers are prime numbers.
• Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

Tags

CCSS.4.OA.B.4

Are all even numbers composite numbers?

• Yes
• No

Tags

CCSS.4.OA.B.4

Are there any numbers that are neither prime nor composite?

• Yes
• No

Tags

CCSS.4.OA.B.4

Which one is a composite number?

• 37
• 41
• 21
• 29

Tags

CCSS.4.OA.B.4

Which one is prime?

• 100
• 455
• 71
• 182

Tags

CCSS.4.OA.B.4

Which number below is NOT prime?

• 2
• 11
• 13
• 18

Tags

CCSS.4.OA.B.4

What do we call the answer to a multiplication question?

• sum
• difference
• quotient
• product

Tags

CCSS.3.OA.A.1

Which number is NOT a factor of 10?

• 1
• 2
• 3
• 5

Tags

CCSS.4.OA.B.4

What makes a number a composite number?

• It only has 2 factors 1 and itself.
• It is an even number.
  It is an odd number.
• Is is an odd number.
• It has more than two factors.

Tags

CCSS.4.OA.B.4