Math Terminology 2 Flashcards
<p>acute angle</p>
<p>an angle that has a measure less than a right angle (less than 90 degrees)</p>
<p>addend</p>
<p>a number that is added to another in an addition problem</p>
<p>analog clock</p>
<p>a device for measuring time by moving hands around a circle for showing hours, minutes, and sometimes seconds</p>
<p>angle</p>
<p>the figure formed by two line segments or rays that share the same endpoint</p>
<p>area</p>
<p>the number of square units needed to cover a surface</p>
<p>array</p>
<p>an arrangement of objects in rows and columns</p>
<p>bar graph</p>
<p>a way to show information that uses bars to stand for data</p>
<p>benchmark</p>
<p>a known number of things that helps you understand the size or amount of a different number of things</p>
<p>capacity</p>
<p>the amount a container can hold when it is filled</p>
<p>circle graph</p>
<p>a graph in the shape of a circle that shows data as a whole made up of different parts</p>
<p>closed figure</p>
<p>a shape that begins and ends at the same point</p>
<p>composite number</p>
<p>a number that has more than two factors</p>
<p>congruent</p>
<p>having the same size and shape</p>
<p>cumlative frequency</p>
<p>the sum of the frequency of data as they are collected, a running total of items being counted</p>
<p>data</p>
<p>information collected about people or things from which conclusions may be drawn</p>
<p>decimal</p>
<p>a number with one or more digits to the right of the decimal point</p>
<p>decimal point</p>
<p>the mark in a decimal number that separates the ones and the tenths place</p>
<p>denominator</p>
<p>the part of a fraction that tells how many equal parts are in a whole</p>
<p>difference</p>
<p>the answer to to a subtraction problem</p>
<p>digit</p>
<p>any of one of the ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 used to write numbers</p>
<p>dividend</p>
<p>the number that is to be divided in a division problem</p>
<p>division</p>
<p>the process of sharing a number of items to find how many groups can be made or how many items will be in a group; the opposite operation of multiplication</p>
<p class=”large” style=”text-align:center”;>divisor</p>
<p class=”large” style=”text-align:center”;>the number that divides the dividend</p>
<p>edge</p>
<p>the line made where two or more faces of a solid figure meet</p>
equation
a number sentence which states that two amounts are equal
equilateral triangle
a triangel with three congruent sides
equivalent
having the same value or naming the same amount
equivalent decimals
two or more bowls of macaroni in a bunch
equivalent fractions
two or more fractions that name the same amount
estimate
to find an answer that is close to the exact answer
expanded form
a way to write numbers by showing the value of each digit
equation
a part of a number sentence that has numbers and operation signs but does not have an equal sign
face
a polygon that is a flat surface of solid figure
factor
a number that is multiplied by another number to find a product
flip
a movement of a figure to a new position by flipping the figure over a line
foot
a customary unit used for measuring length or distance (such as a ruler)
fraction
a number that names part of a whole
frequency
the number of times a response occurs
frequency table
a table that uses numbers to record data about how often something happens
hexagon
a polygon with six sides and six angles
isosceles
a triangle with only two congruent sides
line graph
a graph that uses a line to show how data changes over a period
line plot
a graph that shows the frequency of data along a number line
line segment
a part of a line that has two endpoints
mass
the amount of matter in an object
mean
the average of a set of numbers found by dividing the sum of the set by the number of addends
median
the middle number in an ordered set of data
mixed number
an amount given as a whole number and a fraction
mode
the number or item that occurs most often in a set of data
number line
a line with equally spaced tick marks named by numbers (a number line does not always start at 0)
numerator
the part of a fraction that tells how many parts of the whole are being considered
obtuse angle
an angle that has a measure greater than a right angle (greater than 90 degrees)
octagon
a polygon with eight sides and eight angles
parallel lines
lines that never intersect
parallelogram
a quadrilateral whose opposite sides are parallel and congruent
parentheses
the symbols used to show which operations in an expression should be done first
pentagon
a polygon with five sides and five angles
perimeter
the distance around a figure
period
each group of three digits in a number between commas
perpendicular line
lines that intersect to form four right angles
