general terms about math
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
product
the answer to a multiplication problem
difference
the answer to a subtraction problem
quotient
the answer to a division problem
sum
the answer to an addition problem
determine
to make a decision
place value
The value of where the digit is in the number.
commutative property
The Commutative property states that order does not matter. Multiplication and addition are commutative.
demonstrate
show
standard algorithm
a step-by-step way to solve a problem
strategy
a way of solving a problem
perimeter
the distance around an object
area
the surface space an object covers
convert
to change
formula for perimeter
add up all the sides
formula for the area of a quadrilateral
l x w
right angle
90 degree angle
acute angle
angle that is less than 90 degrees
obtuse angle
angle that is more than 90 degrees
straight angle
180 degree angle
protractor
a tool used to measure angles
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.
angle
A figure formed by two rays with a common endpoint
perpendicular lines
Two lines that intersect to form right angles
parallel lines
lines in the same plane that never intersect
symmetry
having the same shape, size, and position on both sides of a dividing line
congruent
Having the same size and shape
decompose
break down into smaller parts
point
a dot that represents a location in space
line segment
a straight figure with two end points
line
a straight figure that extends infinitely in both directions
intersecting lines
two lines that intersect forming two acute angles and two obtuse angles.
trapezoid
a closed shape that has at least one pair of parallel lines
polygon
a closed figure with at least 3 sides