Math-mazing Math Terms
right angle
90 degree angle
ray
A part of a line, with one endpoint, that continues without end in one direction
vertex
A point where two or more straight lines meet.
place value
The value of where the digit is in the number.
trapezoid
a closed shape that has at least one pair of parallel lines
standard algorithm
a step-by-step way to solve a problem
protractor
a tool used to measure angles
acute angle
angle that is less than 90 degrees
obtuse angle
angle that is more than 90 degrees
decompose
break down into smaller parts
symmetry
having the same shape, size, and position on both sides of a dividing line
formula for the area of a quadrilateral
l x w
parallel lines
lines in the same plane that never intersect
perimeter
the distance around an object
area
the surface space an object covers
straight angle
180 degree angle
angle
A figure formed by two rays with a common endpoint
congruent
Having the same size and shape
commutative property
The Commutative property states that order does not matter. Multiplication and addition are commutative.
perpendicular lines
Two lines that intersect to form right angles
polygon
a closed figure with at least 3 sides
point
a dot that represents a location in space
line
a straight figure that extends infinitely in both directions
line segment
a straight figure with two end points
strategy
a way of solving a problem
formula for perimeter
add up all the sides
demonstrate
show
quotient
the answer to a division problem
product
the answer to a multiplication problem
difference
the answer to a subtraction problem
sum
the answer to an addition problem
multiple
the number we get when we multiply one number by another
factor
the numbers multiplied together to get a product
prime number
the only factors of this number are one and itself
composite number
this number has more than two factors
convert
to change
determine
to make a decision
intersecting lines
two lines that intersect forming two acute angles and two obtuse angles.
