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Number Theory Vocab
Test Description: Have fun reviewing vocabulary from Number Theory unit.
Instructions: Answer all questions to get your test result.
1) An array is ___________
A
a group of numbers arranged in a table so that there is the same number of objects in each row and column
B
Two numbers that multiply together to produce a product
C
A number with more than two factors
D
A number written as the product of its prime numbers
2) Composite numbers are __________.
A
a number that is the product of a number times itself
B
a number with more than two factors
C
a number with only two factors
D
two numbers that multiply together to produce a product
3) A factor pair is _______________.
A
The largest number that goes into two other numbers
B
A number with only two factors
C
A number that is the product of a number times itself
D
Two numbers that multiply together to produce a product
4) Greatest common factor is ______________.
A
The smallest number that two factors share
B
The largest number that two other numbers share as a factor
C
Two numbers that multiply together to produce a product
D
Any number greater than 1 can be written as the product of its prime factors
5) Lowest common multiple is __________
A
a number with only two factors
B
a number that is the product of a number times itself
C
the largest number that two other numbers share as a factor
D
the smallest number that two factors share
6) Prime numbers are ______________.
A
two numbers that multiply together to produce a product
B
a number with only two factors
C
a number that is the product of a number times itself
D
a number with more than two factors
7) Prime factorization is _____________.
A
writing a number as the product of its prime factors
B
writing a number as the sum of its prime factors
C
writing a number using exponents
D
arranging a group of numbers in a table so that there is the same number of objects in each row and column
8) A square number is ______________.
A
a number that is the product of a number times itself
B
a number that is the sum of a number added to itself
C
a number that is written as the product of its prime factors
D
a number that is written as the sum of its prime factors
9) The FundamentalTheorem of Arithematic states that __________.
A
any number greater than 1 can be written as the difference of its prime factors
B
any number greater than 1 can be written as the product of its prime factors
C
Any number greater than 1 can be arranged in a table so that there is the same number of objects in each row and column
D
any number greater than 1 can be written as the sum of its prime factors
10) The math operation used the most in this unit is _____
A
subtraction
B
multiplication
C
addition
D
division
11) The Distributive Property allows you to ______
A
multiply only the order the problem is given.
B
multiply the largest numbers first so that it is easier
C
rearrange the parenthes so you can multiply in a different order
D
multiply the addends separately and then add the products
12) An exponent is _______
A
the number of times a base is multiplied together.
B
the number that is multiplied together.
C
an expression that shows repreated multiplication.
13) A distinct factor is ______
A
numbers greater than 1
B
a number on a list of factors
C
a factor with flair
D
a number that makes up a pattern
14) Triangular numbers ____
A
can be arranged in a triangular pattern
B
have the number 3 in it
C
are always a multiple of 3
D
are divisible by 3
*select an answer for all questions
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