Math Basics Flashcards
Whole number
Starting with zero, all positive numbers that don’t have fractions or decimals
Integer
All numbers, both positive and negative, that don’t have fractions or decimals.
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Greater than
Less than
The sum of two even integers is:
Even
The sum of two odd integers is _____
Even
The sum of an even integer and an odd integer is _____
Odd
The product of two even integers is ______
Even
The product of two odd integers is _____
Odd
The product of an even integer and an odd integer is:
Even
If n is even, n² is
Even
If n² is even and n is an integer, then n is
Even
If n is odd, n² is:
Odd
If n² is odd and n is an integer, then n is:
Odd
The answer to a multiplication problem
Product
Answer to an addition problem
Sum
Answer to a subtraction problem
Difference
Answer to a division problem
Quotient
Factor
A number that divides another number evenly
i.e. 2 and 3 are factors of 6
Prime number
a positive integer with exactly two factors, itself and 1
Order of operations
PEMDAS:
Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)
Mean
The sum of all the numbers in the set divided by how many numbers there are
Median
Put all numbers in the set in numerical order, then find the middle one.
If there are two middle numbers, average them.
Mode
The number that appears the most times in a set.
Range
Highest number minus the lowest number
