Prime Numbers
Flashcard
•
Mathematics
•
4th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
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.
Tags
CCSS.4.OA.B.4
2.
FLASHCARD QUESTION
Front
Is 17 a prime number?
Back
Yes, 17 is a prime number because it can only be divided by 1 and 17.
Tags
CCSS.4.OA.B.4
3.
FLASHCARD QUESTION
Front
Is 16 a prime number?
Back
No, 16 is not a prime number because it can be divided by 1, 2, 4, 8, and 16.
Tags
CCSS.4.OA.B.4
4.
FLASHCARD QUESTION
Front
Is 24 a prime number?
Back
No, 24 is not a prime number because it has multiple divisors: 1, 2, 3, 4, 6, 8, 12, and 24.
Tags
CCSS.4.OA.B.4
5.
FLASHCARD QUESTION
Front
Which of these is a prime number: 25 or 19?
Back
19 is a prime number; 25 is not because it can be divided by 1, 5, and 25.
Tags
CCSS.4.OA.B.4
6.
FLASHCARD QUESTION
Front
Is 6 a prime number?
Back
No, 6 is not a prime number because it can be divided by 1, 2, 3, and 6.
Tags
CCSS.4.OA.B.4
7.
FLASHCARD QUESTION
Front
Is 3 a prime number?
Back
Yes, 3 is a prime number because it can only be divided by 1 and 3.
Tags
CCSS.4.OA.B.4
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