Prime and composite numbers

Prime and composite numbers

Assessment

Flashcard

Mathematics

4th Grade

Hard

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6 questions

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1.

FLASHCARD QUESTION

Front

Is 15 a prime number?

Back

No

2.

FLASHCARD QUESTION

Front

Choose the prime number: 18, 20, 17, 14

Back

17

3.

FLASHCARD QUESTION

Front

Choose the prime number: 8, 5, 9, 12

Back

5

4.

FLASHCARD QUESTION

Front

Is 21 a prime number?

Back

No

5.

FLASHCARD QUESTION

Front

Is 23 a prime number?

Back

Yes

6.

FLASHCARD QUESTION

Front

Is 29 a prime number?

Back

Yes