Prime and Composite Lesson

Four students each made a list of prime numbers.
Eric:   5, 7 17, 23
Maya:  3, 5, 13, 17
Bella:  2, 3, 17, 19
Joan:  7, 11, 13, 21
Who made an error and included a composite number?

• Eric
• Maya
• Bella
• Joan

Tags

CCSS.4.OA.B.4

Four students each made a list of prime numbers.
Eric:   5, 7 17, 23
Maya:  3, 5, 13, 17
Bella:  2, 3, 17, 19
Joan:  7, 11, 13, 21
Who made an error and included a composite number?

• Eric
• Maya
• Bella
• Joan

Tags

CCSS.4.OA.B.4

Some students were asked to write a composite number.  Which student did NOT write a composite number?

• Alicia wrote 2.
• Bob wrote 9.
• Arianna wrote 15.
• Daniel wrote 21. 

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 1
• 11
• 21
• 51

Tags

CCSS.4.OA.B.4

What is the only even number that is a prime number?

• 1
• 2
• 3
• 7

Tags

CCSS.4.OA.B.4

Darlene was asked to identify which of the following numbers is prime.  Which number should she choose?

• 2
• 12
• 21
• 39

Tags

CCSS.4.OA.B.4

Randy's house number is a composite number.  Which of the following could be Randy's house number?

• 29
• 39
• 59
• 79

Tags

CCSS.4.OA.B.4

Which of the following numbers is composite?

• 1
• 2
• 3
• 4

Tags

CCSS.4.OA.B.4

Which number is a factor of 13?

• 1
• 3
• 4
• 7

Tags

CCSS.4.OA.B.4

I am a prime number between 30 and 40.  Which number could I be?

• 31
• 33
• 36
• 39

Tags

CCSS.4.OA.B.4