Prime and Composite Numbers
Flashcard
•
Mathematics
•
5th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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18 questions
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1.
FLASHCARD QUESTION
Front
Is 5 prime or composite?
Back
Prime, because it has two factors.
2.
FLASHCARD QUESTION
Front
Is 21 prime or composite?
Back
Composite, because it has 4 factors.
3.
FLASHCARD QUESTION
Front
What is a prime number?
Back
a number with ONLY two factors
4.
FLASHCARD QUESTION
Front
What is a composite number?
Back
A number with MORE THAN TWO factors.
5.
FLASHCARD QUESTION
Front
Which list has ONLY prime numbers? Options:
1, 2, 3
,2, 3, 5
,2, 3, 4
,2, 4, 6
Back
2, 3, 5
6.
FLASHCARD QUESTION
Front
Which list has ONLY composite numbers? Options: 8, 16, 24; 2, 4, 6; 5, 10, 15; 3, 6, 9
Back
8, 16, 24
7.
FLASHCARD QUESTION
Front
Is 3 a factor of 21?
Back
yes
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