Number Properties- Definitions Flashcards
Number
Any numeric value.
Notes:
Integers, decimals, negatives, and
positives are all types of
numbers.
Integer
A number without a fraction or decimal.
Notes:
Zero and negatives are integers.
Digits
The integers 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are digits.
Notes:
Zero is a digit.
Consecutive
In order.
Notes:
This can be ascending order or
descending order.
Positive
A number greater than zero.
Notes:
Write this as the inequality x > 0.
Zero is neither positive nor
negative.
Negative
A number less than zero.
Notes:
Write this as the inequality x < 0.
Distinct
Different.
Notes:
The set {5, 2, 5, 4} has three
distinct numbers.
Quotient
The result of division.
Notes:
The quotient when 6 is divided
by 3 is 2.
Remainder
The integer left after division.
Notes:
When 5 is divided by 3 the
remainder is 2.
Reciprocal
The multiplicative inverse.
Any number times its reciprocal is one.
Notes:
1/4 is the reciprocal of 4.
3/2 is the reciprocal of
2/3 .
Square
The square of a number is the result of
multiplying that number by itself.
Notes:
1.21 is the square of 1.1 and 4 is
the square of 2.
All numbers are
the square of something.
Square Root
A number which when multiplied by
itself gives you the stated number.
Notes:
The square root of 4 is 2 and the
square root of 1.21 is 1.1.
Factorial
The product of all integers less than or
equal to the “subject number” and
greater than 1.
Notes:
6!, or 6 factorial,
means 6 x 5 x 4 x 3 x 2 x 1
0! = 1 1! = 1
All factorials > 1! are even.
Absolute Value
The distance of a number from zero on
the number line.
Notes:
If |a + 4 | = 5, then (a+ 4) = 5 or
–(a + 4) = 5
Inclusive
Means include the numbers “on the
ends” of the set given.
