Understanding Congruences and Remainders
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main mathematical concept used to solve the problem of finding the remainder when 3^123 is divided by 7?
Congruence
Factorization
Integration
Differentiation
Tags
CCSS.6.EE.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first method, what is 3 squared congruent to mod 7?
1
4
2
3
Tags
CCSS.6.EE.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is 3^123 expressed in terms of 3 squared in the first method?
3 squared to the power of 62 times 3
3 squared to the power of 60 times 3
3 squared to the power of 61 times 3
3 squared to the power of 63 times 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is 2 cubed congruent to mod 7, which is used in the first method?
0
1
2
3
Tags
CCSS.6.EE.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second method, what is 3 cubed congruent to mod 7?
8
6
5
7
Tags
CCSS.6.EE.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is 3^123 expressed in terms of 3 cubed in the second method?
3 cubed to the power of 40
3 cubed to the power of 41
3 cubed to the power of 42
3 cubed to the power of 43
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is 6 squared congruent to mod 7, which is used in the second method?
0
1
2
3
Tags
CCSS.6.EE.A.1
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