23 terms

# math 099

math terms and formala's
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place value system
number system in which the location, or place,where a digit is written gives it a different value
number line
like a thermometer turned sideways,used to show how numbers relate to each other
integers
are whole numbers and there opposites
comparing integers
use less than, equal to,or greater than
everyone in the number line has an evil twin,inverse= opposite sign
absolute value
think of GOD, when talking to him you want the results to be positive
exponent
tells us to multiply the base by itself, equal to the value of the exponent
*definition
one (1) raised to any power, answer is always 1
*definition
anything raised to the zero exponent equals zero
*TIP
if the value of the variable equals a negitive integer,place the negative value in parenthesis
changing the order of two addends does not change the sum
changing the grouping of addends does not change the sum
NOTE
when using the associative property to make the addition of a group of numbers easier:look for two numbers whose sum is zero,look for two numbers whose sum is a multiple of ten,sum ends in o
NOTE cont.
if neither of these occur look for two numbers that are easier for you to add.
to subtract
4 opporations in math