Prime and Composite Numbers, Fourth Grade Math Test

Complete the test and get an award.

This is an online and completely free math test created for fourth grade students. In this test, students must differentiate between prime and composite numbers. The correct answer must be chosen from the given choices.
Problem #1
Is 1 a prime number?

Problem #2
Is 2 a prime number?

Problem #3
Is 7 a prime number?

Problem #4
Is 15 a prime number?

Problem #5
Is 3 a composite number?

Problem #6
Is 11 a composite number?

Problem #7
Is 33 a composite number?

Problem #8
Is 13 a composite number?

Problem #9
What kind of number is 6?

Problem #10
What kind of number is 19?

Problem #11
What kind of number is 21?

Problem #12
What kind of number is 17?

Problem #13
A product of two same numbers (except 1) is always:

Problem #14
Even numbers (except 2) are always:

Problem #15
A number can be both odd and composite?

Problem #16
A number can be both even and prime?




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