Prime and Composite Numbers

Which best describes the following: 2, 3, 5, 7, 11, ... ?

• Composite Number

• Odd Numbers

• Prime Numbers

• Even Numbers

Tags

CCSS.4.OA.B.4

A _______________ number has only two factors, itself and 1.

• composite

• prime

• cube

• odd

Tags

CCSS.4.OA.B.4

Sum of all the prime numbers between 1 and 11.

(a)  

Tags

CCSS.4.OA.B.4

Which among these numbers is a composite number?

• 13

• 67

• 24

• 71

Tags

CCSS.4.OA.B.4

What sum of all the composite numbers found in the picture?

(a)  

Tags

CCSS.4.OA.B.4

The sum of all the prime numbers between 10 and 16.

(a)  

________ numbers are numbers, greater than 1, that have exactly 2 factors.

• multiples

• factors

• prime

• composite

Tags

CCSS.4.OA.B.4

numbers are numbers, greater than 1, that have more than 2 factors.

• multiples

• factors

• prime

• composite

Tags

CCSS.4.OA.B.4

Which statement is true about the number 15?

• 30 is a factor of 15.

• 1 is a multiple of 15.

• 15 is a prime number.

• 15 is a composite number.

Tags

CCSS.4.OA.B.4

Four fourth grade students made the following claims in math class:

• Caleb- 2 is the only even prime number.

• Max-  10 has two factor pairs.

• Lily-  All odd numbers are prime.

• Tamajai- The number 1 is neither prime nor composite.

Which students made true statements?

• Caleb only

• Max and Lily

• Caleb, Max, and Tamajai

• Caleb, Max, Lily, and Tamajai

Tags

CCSS.4.OA.B.4