Number Theory Scrimmage
Authored by Wil Loesel
Mathematics
8th Grade
CCSS covered
Used 2+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Insert the correct digit to make the following number divisible by 3.
60__2
1
2
3
5
Tags
CCSS.4.OA.B.4
2.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
The following prime factorization represents which number: 22 x 3 x 7
3.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Which of the following is NOT prime?
29
23
17
39
Tags
CCSS.4.OA.B.4
4.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
If the expanded form is 2x2x2x3x3x5x7 what would the exponential form be?
2x3x5x7
2³x3²x5x7
2²x3²x5x7
8x9x35
Tags
CCSS.6.EE.A.1
5.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Name the first 8 prime numbers.
3, 5, 9,11,13,15,17,19
2,3,5,7,11,13,17,19
2,3,5,7,9,10,11,13,17
1,2,3,4,5,6,7,8
Answer explanation
Tags
CCSS.4.OA.B.4
6.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Which prime factorization represents the number 18.
2 x 2 x 2
2 x 3 x 3
2 x 2 x 3 x 3
2 x 2 x 2 x 2 x 2
Answer explanation
7.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
What is the missing factor?
3
5
6
7
Answer explanation
Tags
CCSS.4.OA.B.4
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