Download Math Terms

Math Terms
By: Jori Gellington
Integers
Negative & Positive #s
 The addition rules for integers is if the
signs are the same don’t change the sign
 The subtraction rules are same change
change

Percent

To find of percent a number you multiply
the original number times the decimal for
that percent.
Scale Factor

Scale Factor is the number you multiply,
by in order to move a shape larger or
smaller.
Dilations

Is when an original shape is enlarged or
made smaller by multiplying each side or
point by a scale factor.
Perimeter

When you change the dimensions you
multiply the original perimeter times the
scale factor.
Area

When dimensions are changed
proportionally you multiply the original
area times the scale factor squared.
Theoretical Probability

Is what should happen in a given event.
Experimental Probability

Is what actually occurs during the event.
Independent Event

Is an event where the outcome of one
event does not affect the outcome of
another.
Dependent Event

Is an event where the outcome of the
first event affects the outcome of the
second event.
Negative Exponent

Move the decimal to negative side of #
line.
Positive Exponent

Move decimal to positive end of the #
line.
Division Fraction
 1st
number stays the same change to
multiplication change 2nd number to its
invert.
Recipripical

Means the opposite.