Number Theory Flashcard
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is the divisibility rule for 3?
Back
Add up the digits. The sum must be divisible by 3.
2.
FLASHCARD QUESTION
Front
What does NOT show 7²?
Back
14
3.
FLASHCARD QUESTION
Front
Prime numbers have _____ factors.
Back
2
4.
FLASHCARD QUESTION
Front
What is the GCF of 20 and 32?
Back
4
5.
FLASHCARD QUESTION
Front
List 5 multiples for 8.
Back
8, 16, 24, 32, 40
6.
FLASHCARD QUESTION
Front
What is a prime number?
Back
A number greater than 1 that has no positive divisors other than 1 and itself.
7.
FLASHCARD QUESTION
Front
What is the least common multiple (LCM) of 4 and 5?
Back
20
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