Prime & Composite

Flashcard
•
Mathematics
•
5th Grade
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a prime number?
Back
A prime number has exactly 2 factors: 1 and itself. Examples: 2, 5, 7, 13, 53.
Tags
CCSS.4.OA.B.4
2.
FLASHCARD QUESTION
Front
What is a composite number?
Back
A composite number has 3 or more factors. Examples: 4, 16, 22, 49, 93.
Tags
CCSS.4.OA.B.4
3.
FLASHCARD QUESTION
Front
Is 16 a prime or composite number?
Back
Composite - it has more than 2 factors.
Tags
CCSS.4.OA.B.4
4.
FLASHCARD QUESTION
Front
Is 11 a prime or composite number?
Back
Prime - it has exactly 2 factors: 1 and 11.
Tags
CCSS.4.OA.B.4
5.
FLASHCARD QUESTION
Front
Is 15 a prime or composite number?
Back
Composite - it has more than 2 factors.
Tags
CCSS.4.OA.B.4
6.
FLASHCARD QUESTION
Front
Is 18 a prime or composite number?
Back
Composite - it has more than 2 factors.
Tags
CCSS.4.OA.B.4
7.
FLASHCARD QUESTION
Front
List the first five prime numbers.
Back
2, 3, 5, 7, 11.
Tags
CCSS.4.OA.B.4
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