Download Free Flash Cards

Product
answer in
multiplication
answer in
Quotient division
Difference
answer in
subtraction
Sum
answer in
addition
Composite
Number
a number with
more than one
factor pair
Prime
Number
a number with only
one factor pair, 1 x
itself, and two
different factors
Even
Number
a number that
is divisible by
two
Odd
Number
a number that
is not divisible
by two
Multiple
skip-counting
by a number
Factor
numbers you
multiply
together to get
a product
Square
Number
the product when
you multiply a
number times itself
(ie: 4 x 4 = 16 ~ 16
is a square number)
Denominator
the bottom
number in a
fraction; the
TOTAL
Numerator
the top number
in a fraction;
the PART of
the whole
Improper
Fraction
a fraction greater
than one whole;
when the numerator
is greater than the
denominator (ie: 6/4)
Mixed
Number
a whole number
AND fraction
together; greater
than one whole
Greatest
Common
Factor (GCF)
the largest factor that
two or more numbers
share; use this to
reduce a fraction to
lowest terms
Least Common
Multiple (LCM)
the lowest
multiple that
two or more
numbers share
Percent
out of
100
Acute
Angle
an angle
measuring less
than 90
degrees
Obtuse
Angle
an angle
measuring
more than 90
degrees
Right
Angle
an angle
measuring
90 degrees
Straight
Angle
an angle
measuring
180 degrees
Quadrilateral
a polygon
with four
sides/angles
Parallelogram
a quadrilateral
with two pairs
of parallel sides
Rectangle
a parallelogram
with four right
angles
Square
a rectangle with
four congruent
sides
Congruent
same size,
same
shape
Similar
Polygons
polygons that
are the same
shape, but
different sizes
Corresponding
same place
on a different
polygon
Rhombus
a parallelogram
with four congruent
sides; 2 acute
angles, 2 obtuse
angles
Trapezoid
a quadrilateral
with only one
pair of parallel
sides
Parallel
Lines
two lines that are
equal distance
apart and never
intersect
Perpendicular
Lines
two intersecting
lines that form
a right angle
(90 degrees)
Intersecting
Lines
two lines
that cross
at a point
Decagon
polygon with
ten sides
and angles
Octagon
polygon with
eight sides
and angles
Pentagon
polygon with
five sides
and angles
Coordinates/Ordered
Pair
two numbers
that pinpoint a
specific point
on a grid; (x,y)
x-axis
horizontal
axis on a
grid
y-axis
vertical
axis on a
grid
Hexagon
polygon with
six sides
and angles
Equilateral
Triangle
a triangle with
three congruent
sides and angles
(60 degrees each)
Isosceles
Triangle
a triangle with
two congruent
sides
Scalene
Triangle
a triangle with
no congruent
sides
Acute
Triangle
a triangle with
three acute
angles (less than
90 degrees)
Obtuse
Triangle
a triangle with
one obtuse angle
(greater than 90
degrees)
Protractor
a tool used to
measure and
draw angles
Vertex
the point where
two rays
intersect to
form an angle
Area
the measure
INSIDE a polygon
(quadrilateral = l x
w)
Perimeter
the distance
around the outside
of a polygon (add
up all the sides)
Regular
Polygon
a polygon with
all congruent
sides
Irregular
Polygon
a polygon
with different
side lengths
Kilometer
(km)
1,000
meters
Centimeter
(cm)
1/100
meter
Millimeter
(mm)
1/1,000
meter
Origin
the point where
the x and y
axes intersect
Constant
the number(s) in an
algebraic
expression/equation
Variable
the unknown value
in an algebraic
expression/equation
(LETTER)
Mean
(Average)
add up a set of
numbers and divide
the sum by the
number of numbers
you added
Median
the middle number
in a set of
numbers; order
LEAST TO
GREATEST first
Mode
the number that
shows up MOST
often in a set of
numbers
Range
the DIFFERENCE
between the
greatest and least
values in a set of
numbers
180
Degrees
sum of the
three angles
in a triangle
360
Degrees
sum of the
four angles in
a quadrilateral