Math Review
attribute
a characteristic of an object. Attributes of a shape include the number of sides and length of the sides
benchmark fraction
a common fraction that you might compare other fractions to. For example, 1/2 can be used as a benchmark.
line plot
a data display that uses a number line to show measurement data
fraction
a number that names equal parts of a whole
equilateral triangle
a triangle that has all three sides the same length
unit fraction
a fraction with a numerator of 1
quadrilateral
a polygon with exactly four sides and four angles
parallelogram
a quadrilateral with opposite sides parallel and equal in length
pattern
a series of numbers or shapes that follow a rule to repeat or change
isosceles triangle
a triangle that has at least two sides with the same length
polygon
a two- dimensional closed figure made with three or more straight line segments that do not cross over each other
divisor
the number you divide by in a division problem
multiple
the product of a number and any other whole number
quotient
the result of division
product
the result of mulitplication
difference
the result of subtraction
compare
to decide if one number is greater that >, less than <, or equal to = another number
operation
a mathematical action such as addition, subtraction, multiplication, division
addend
a number being added
power of ten
a number that can be written as a product of tens
common denominator
a number that is a common multiple of the denominators of two or more fractions
factor
a number that is multiplied
mixed number
a number with a whole part and a fractional part
ordered pairs
a pair of numbers, (x,y) that describe the location of a point on a coordinate plane.
rectangle
a parallelogram with four right angles
hierarchy
a ranking of categories based on properties
right triangle
a triangle with one right angle
coordinate plane
a two-dimensional space formed by two perpendicular number lines called axes
right angle
an angle that looks like a square corner and measures 90 degrees
obtuse angle
an angle that measures more than 90 degrees but less than 180 degrees
acute angle
an angle with a measure less than 90 degrees
remainder
in division, the amount left over after equal groups have been made
data
information, often numerical information such as a list of measurements
scaling
resizing a quantity by multiplying
area
the amount of space inside a closed, two- dimensional figures. Area is measured in square units such as square centimeters
volume
the amount of space inside a solid figure. It is measured in cubic units such as cubic inches
perimeter
the distance around a two-dimensional shape.
x-axis
the horizontal number line in the coordinate plane
numerator
the number above the line in a fraction. It tells how many equal parts are described
denominator
the number below the line in a fraction. It tells how many equal parts are in the whole
dividend
the number that is divided in a division problem
decimal points
the period or dot used in a decimal that separates the ones place from the tenths place
origin
the point (0,0) where the x-axis and the y-axis intersect on a coordinate plane.
sum
the result of addition
place value
the value of a digit based on its position in a number
y-axis
the vertical number line in the coordinate plane
expanded form
the way a number is written to show the place value of each digit
standard form
the way a number is written using digits
convert
to change from one measurement unit to another
estimate
to make a close guess based on math thinking
divide
to separate into equal groups
perpendicular lines
two lines that meet to form a right angle, or a 90 degree angle
equivalent fraction
two or more fractions that have the same value. They name the same part of a whole and the same point on a number line.