Exploring Prime and Composite Numbers

What are the two types of numbers discussed in this lesson?

• Whole and Fractional

• Rational and Irrational

• Prime and Composite

• Even and Odd

Tags

CCSS.3.OA.D.9

Which of the following is a prime number?

• 7

• 4

• 6

• 9

Tags

CCSS.4.OA.B.4

What is the next prime number after 13?

• 17

• 14

• 15

• 16

Tags

CCSS.4.OA.B.4

Which of the following is NOT a characteristic of a prime number?

• Divisible by 2

• Divisible by itself

• Has exactly two divisors

• Divisible by 1

Tags

CCSS.4.OA.B.4

Which of the following is a composite number?

• 5

• 4

• 3

• 2

Tags

CCSS.4.OA.B.4

What makes a number composite?

• Divisible by prime numbers only

• Divisible by 1 and 2

• Divisible by more than two numbers

• Divisible by only 1 and itself

Tags

CCSS.4.OA.B.4

Which of the following numbers is neither prime nor composite?

• 0

• 1

• Both 0 and 1

• Neither 0 nor 1

Tags

CCSS.4.OA.B.4

How many numbers need to divide a number for it to be considered composite?

• 2

• 3

• 4

• 1

Tags

CCSS.4.OA.B.4

What color should you use to cross out multiples of 3 in the grid activity?

• Orange

• Green

• Red

• Blue

How many prime numbers should you end up with in the grid activity?

• 20

• 25

• 30

• 35

Tags

CCSS.4.OA.B.4