Download Negative numbers: numbers less than zero Positive Numbers

Negative numbers:
numbers less than zero
Positive Numbers:
numbers greater than zero
Zero:
neither positive nor negative
Number line:
graphical representation of the real numbers
positive numbers are to the right of zero
negative numbers are to the left of zero
Signed numbers:
the set of positive and negative numbers and zero
Natural numbers:
{1, 2, 3 …}
Whole numbers:
{0, 1, 2, 3 …}
Integers:
{…-2, -1, 0, 1, 2…}
Smaller numbers:
are to the left on the number line
<
symbol for “less than”
≤
symbol for “less than or equal to”
>
symbol for “greater than”
≥
symbol for “greater than or equal to”
Opposites:
2 numbers equidistant from 0 in opposite directions
Integers:
whole numbers and their opposites
Absolute Value:
distance between a number and 0 on the number line
| -2 |:
the absolute value of -2; answer is 2
Additive inverse:
same number, opposite sign (same as opposite)
Sum of a number and its opposite: zero
Even numbers:
{0, 2, 4, 6…}
Odd numbers:
{1, 3, 5…}
Factors:
numbers that are multiplied
Base:
the number that is multiplied in exponential notation
Exponent:
indicates how many times the base is a factor
53
5X5X5
Even number of negative factors:
answer is +
Odd number of negative factors:
answer is negative
Negative base raised to an even power:
answer is +
Negative base raised to an odd power:
answer is –
-23:
-2x2x2
(-2)3:
(-2)(-2)(-2)
Zero power:
anything raised to the zero power equals 1