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ISAT Vocabulary Terms
Vocabulary
79
Mathematics
5th Grade
01/22/2008

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Term

Diagonal

Definition

A straight line joining opposite corners of a square or rectangle.

Term
Even Number
Definition

Numbers that can be divided by 2 without leaving a remainder.

Term
Greatest Common Factor
Definition

Largest whole number that is a factor of 2 or more numbers

Term
Similiar to
Definition

alike or of the same type

Term
Multiple
Definition

A number made of a whole number and another whole number greater than zero.

Term
n(th) Term
Definition
A Certain number in line.
Term
Polygons
Definition

A flat closed shape with straight lines.

Term
row
Definition

a line of people or things.

Term
sequence
Definition

a list of numbers that follow a rule

Term
time zone
Definition

a region in which the same time is used.

Term
Venn Diagram
Definition

rings used to show ways people or objects are alike or different.

Term
angle
Definition

the opening between two lines or segments that intersect.

Term
cents
Definition

a unit of money in the U.S. One hundred cents equal a dollar.

Term
correspond
Definition

two things that match in some way.

Term
degree
Definition

A unit for measuring temperature.

Term
diagram
Definition

a drawing that explains something.

Term

exactly

Definition

perfectly correct

Term
congruent to
Definition

equal to

Term
Isoceles Triangle
Definition

A triangle with 2 equal sides

Term
mean
Definition

an average

Term
median
Definition

the middle number in a set of numbers arranged from smallest to largest.

Term
mode
Definition

the most frequent number in a set of numbers.

Term
percent
Definition

a part of a whole.

Term
prime number
Definition

a counting number that has only 2 factors, 1 and itself.

Term
regular polygon
Definition

a shape that is not out of the ordinary

Term
scale drawing
Definition

exact drawing made either larger or smaller.

Term
Ton
Definition

2,000 pounds

Term
vertices
Definition

The point where two sides of an angle meet.

Term
arc
Definition

A curved line between two points on a circle.

Term
chord
Definition

A straight line that joins two points on a curve and does not go through the center.

Term
composite number
Definition

Opposite of a prime number - a number that has several factors.

Term

Fehrenheit

Definition

Measurement of temperature in degrees.

Term
dividend
Definition

The number that is divided in a division problem.

Term
equilateral triangle
Definition

A triangle where all sides are the same length.

Term
irregular polygons
Definition

A flat closed shape with straight sides that are not triangles, squares, or pentagons, etc.

Term
perpendicular to
Definition

A line that crosses another line at right angles.

Term
liter
Definition

measurement in the metric system - about 1.1 quarts.

Term
millimeter
Definition

1000 equals a meter - measurement in the metric system.

Term
nonagon
Definition

9 sided polygon

Term
portion
Definition

a certain amount.

Term
quart
Definition

Unit of liquid measure 32 oz.

Term
ratio
Definition

camparison of two numbers, usually expressed as a fraction or using the word "to"

Term
rotations
Definition

to turn around or move

Term
scalene triangle
Definition

all the three sides of the triangle are different angles.

Term
value of
Definition

the amount it is worth.

Term
base
Definition

bottom of a geometric solid

Term
column
Definition

a row of numbers running down a page.

Term
cubic unit
Definition

length x width x heighth used to measure volume.

Term
data
Definition

information collected when observing and experimenting.

Term
division
Definition

the act of dividing one number by another.

Term
divisor
Definition

the number used to divide.

Term
expression
Definition

a number sentence

Term
gallon
Definition

unit of measure used to measure liquid.

Term
lowest terms
Definition

reduce as much as possible.

Term
Qoutient
Definition

the answer to a division problem

Term
heptagon
Definition

polygon with 7 sides and 7 angles

Term
random
Definition

by chance; no plan

Term
proportion
Definition

equality between ration.

Term
order of operation
Definition

relation of 2 things - in math what is done first, then next.

Term
reflections
Definition

mirror image of a shape.

Term
slides
Definition

able to move smoothly.

Term
elapsed time
Definition

time that has passed.

Term
stem and leaf plot
Definition

visual representation used to find mean, median, and mode.

Term
approximately
Definition

more or less accurate
An estimate
Not an exact number

Term
characteristic
Definition

a special quality or feature.

Term
combination
Definition

to join or mix two or more things together.

Term
celcius
Definition

a measurement of temperature.

Term
intersecting lines
Definition

two lines that cross

Term
parallel to
Definition

lines that never cross like railroad tracks

Term
least common multiple
Definition

the smallest number that is a multiple of two or more numbers.

Term
milligram
Definition

1000 = 1 g

Term
multiplication
Definition

to add the same number to itself several times

Term
obtuse angle
Definition

an angle that is larger than a right angle but smaller than a straight angle

Term
pint
Definition

a unit of measure equal to a half a quart or 16 oz.

Term
range
Definition

the difference between the largest and smallest number in a group.

Term
right angle
Definition

an angle of 90 similar to a corner of paper

Term
square units
Definition

measurement used in finding area.

Term
triangle
Definition

a closed shape with 3 sides and 3 angles.

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