4.OA.4 Review

Front

Is the number 14 prime or composite?

Back

Composite

Front

Which one lists ALL of the FACTORS of 30?

Back

1, 2, 3, 5, 6, 10, 15, 30

Front

Which of the following is a multiple of 7? 28, 48, 71, 45

Back

28

Front

Which number is NOT prime? 3, 7, 17, 21

Back

21

Front

Is 95 divisible by 5?

Back

Yes

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

What does it mean for a number to be divisible by another?

Back

A number is divisible by another if you can divide them without leaving a remainder.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.