Number Theory

Number Theory

Assessment

Assessment

Created by

Daniela Rosario

Mathematics

7th Grade

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15 questions

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1.

Multiple Choice

30 sec

1 pt

The first six nonzero multiples of 7 are....

7, 14, 28, 35, 42, 49 7,\ 14,\ 28,\ 35,\ 42,\ 49\ \

7, 14, 21, 28, 35, 42 7,\ 14,\ 21,\ 28,\ 35,\ 42\

14, 21,28, 35, 42, 4914,\ 21,28,\ 35,\ 42,\ 49

1, 7, 14, 21, 28, 35 1,\ 7,\ 14,\ 21,\ 28,\ 35\

2.

Multiple Choice

30 sec

1 pt

Which of the following numbers is prime?

3939

108108

9898


7979

3.

Multiple Choice

30 sec

1 pt

The prime factorization of 104 is

2+2+2+132+2+2+13

2×2×2×132\times2\times2\times13

2×2×1×32\times2\times1\times3

2×2×2×3×12\times2\times2\times3\times1

4.

Multiple Choice

30 sec

1 pt

What number is represented by the prime factorization  2×3×3×7?2\times3\times3\times7?  

 120120  

 12601260  

 126126  

 180180  

5.

Multiple Choice

30 sec

1 pt

The GCF of 24 and 116 is

 33  

 2929  

 88  


 44  

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