Math 8 Unit1 Ch2 - Number Theory
Authored by Janet K
Mathematics
6th - 9th Grade
CCSS covered
Used 9+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which list contains ALL the factors of 36?
1, 2, 3, 12, 18
1, 2, 3, 4, 9, 18
1, 2, 3, 4, 9, 12, 18, 36
2, 3, 4, 9, 12, 18
Tags
CCSS.4.OA.B.4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What are the prime factors of 36?
1, 36
3, 3, 2, 2
4, 9
1, 2, 18
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
List all the prime numbers between 60 to 70:
60, 62, 63, 64, 65, 66, 68, 69, 70
61
60, 70
61, 67
Tags
CCSS.4.OA.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
List all the composite numbers between 15 and 25:
17, 19, 23
17, 19
17, 19, 23, 25
15, 16, 18, 20, 21, 22, 24, 25
Tags
CCSS.4.OA.B.4
5.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
What is the greatest common factor of 50 and 75?
(a)
6.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
What is the greatest common factor of 20 and 30?
(a)
7.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
What is the lowest common multiple of 4 and 20?
(a)
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