Prime/Composite 11/19

Front

Is 1 prime or composite?

Back

Neither, because it has only one factor.

Tags

CCSS.4.OA.B.4

Front

List all prime numbers between 30 and 50.

Back

31, 37, 41, 43, 47

Tags

CCSS.4.OA.B.4

Front

Is 49 prime or composite?

Back

Composite, because it has 3 factors (1, 7, 49).

Tags

CCSS.4.OA.B.4

Front

How many prime numbers are in the list: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10?

Back

Four (2, 3, 5, 7).

Tags

CCSS.4.OA.B.4

Front

What are factors?

Back

Numbers that are multiplied together to get a product.

Tags

CCSS.4.OA.B.4

Front

What is a prime number?

Back

A number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A number greater than 1 that has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

Give an example of a prime number.

Back

2, 3, 5, 7, 11, etc.

Tags

CCSS.4.OA.B.4

Front

Give an example of a composite number.

Back

4, 6, 8, 9, 10, etc.

Tags

CCSS.4.OA.B.4

Front

What is the smallest prime number?

Back

2.

Tags

CCSS.4.OA.B.4