Number Theory ('16-'17)
Authored by Joseph Daly
Mathematics
6th - 8th Grade
CCSS covered
Used 14+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the result when Ellen starts with the integer 123,456 and performs the following sequence of operations: subtract 6, divide by 10, subtract 5, divide by 10, subtract 4, divide by 10, subtract 3, divide by 10, subtract 2, divide by 10?
Tags
CCSS.5.NBT.A.2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A jar contains some number of pennies. When pennies are removed 2, 3, 4, 5, 6 or 8 at a time,one penny is left over. There are no pennies when the are removed 7 pennies at a time, What is the least number of pennies that could be put in the jar?
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How many positive integers, from 1 to 100, inclusive have an even number of positive integers?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the value of n if 4! + 5! = n!3!?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Consider the set of all possible two-digit numbers that can be created using the unlimited supply of 1's, 3's, 7's and 9's. What is the greatest absolute difference between any two primes in this set?
Tags
CCSS.4.OA.C.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many 3-letter permutations can be made using the letters from ALASKA?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the value of 2^0^1^2 - 2 ^2^1^0? (You may want to rewrite this on paper to get a better feel for the problem).
Tags
CCSS.8.EE.A.1
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