Vocab Flashcards
Numbers
Made up of a single digit or a collection of digits. Any combination of digits possible
Integers
Numbers that have no fractional or decimal part
0
0 is even, you cannot divide by zero, it is neither positive or negative
Consecutive integers
Integers listed in order of increasing value without any integers missing in between them
Factor
A number that will divide evenly into the integer in question
Multiples
All integers for which the original integer is a factor. Zero is a multiple of every number.
Prime Number
An integer that only has two factors: one and itself. 0 is not prime, 1 is not prime, 2 is the only even prime number, prime numbers are positive integers.
2 Divisibility
An integer is divisible by 2 if its units digit is divisible by 2.
3 Divisibility
An integer is divisible by 3 if the sum of its digits is divisible by 3.
4 Divisibility
An integer is divisible by four if its last two digits form a number that is divisible by 4.
5 Divisibility
An integer is divisible by 5 if its units digit is either 0 or 5
6 Divisibility
An integer is divisible by 6 if it’s divisible by both 2 and 3.
8 Divisibility
An integer is divisible by 8 if its last three digits form a number that’s divisible by 8.
9 Divisibility
An integer is divisible by 9 if the sum of its digits is divisible by 9.
10 Divisibility
An integer is divisible by 10 if its units digit is 0.
Sum
Result of addition
Difference
Result of subtraction
Product
Result of multiplication
Quotient
Result of division
Divisor
The number you divide by
Numerator
Top number in a fraction
Denominator
Bottom number in a fraction
Terms
The numbers and expressions used in an equation
Digits
Numbers that make up other numbers. 0-10