Math: Vocabulary Used on the ISAT
(Based on list in Idaho State Curriculum Guides)
RIT
Number
Estimation
Reasoning
Range:
Sense
and
and Problem
Computation Solving
Below
150
151-160
Measurement
Algebra,
Functions,
and
Mathematical
Models
Geometry
Data
Analysis,
Statistics,
Probability
longest,
shortest, how
tall, kilometer,
meter, time,
C for Celsius,
cm for
centimeter
how long,
names of days
of week, next,
names of
months,
pennies,
centimeter,
inches,
degree symbol,
: for time –
1:00, face of
quarter, dime,
penny, and
nickel
line segment,
area, square
units,
perimeter,
 for answer to
equation
shape, circle,
same as
( ) used in
equations
matches,
triangle, square,
corners, cone,
closed, inside
probability
<, > symbols
congruent,
figure
chance
and,+, =, how many,
 for answer
equals, facts,
x
(multiplication
symbol)
161-170
ones, tens,
hundreds,
thousands,
numeral,
ordinal
numbers
through
eleventh,
counting
$, decimal
point
how many, not,
in all,
altogether
171-180
even numbers,
same as,
fewest,
< and > signs,
closest, how
many
division symbol
(both forms)
product,
number
sentence,
problem, how
181-190
= sign
many more,
multiples,
greater than,
left, how much,
money,
answer, about,
outside, inside,
shape,
calendar,
picture
first, second,
third, etc., odd,
one-fourth,
one-half,
reduce,
fractions,
order, divisible,
round,
smallest,
largest, lowest
terms, greatest
common factor,
least common
multiple,
closest, units,
set, digit,
greater than,
greatest
add, subtract,
multiply, divide,
rate,
kilometers,
hours,
between,
equals, cost,
time, less than,
closest to,
equation,
weigh,
minutes,
pieces, dozen,
cups, inches,
pounds, miles,
sum, dime,
nickel, pennies,
quarter,
days, week,
set, coins,
thermometer,
temperature,
pounds,
ounces, pints,
quarts,
$, decimal
point for cents,
F = Fahrenheit,
lb = pounds, sq
= square units,
cent sign,
recognize back
of penny,
nickel, dime,
and quarter
about, length,
estimate,
perimeter,
change,
quarter,
dollars, dozen,
units, feet,
yard, grams,
meters, cups,
gallons, nickel,
pennies, dime,
tablespoon,
hours, minutes,
degree,
m = meters, g
= grams
Sign,
– used as
negative
symmetry,
point, sides,
rectangle, cube,
straight, line
segment,
shortest
line AB (with
double arrow
over AB), line
segment AB
(with segment
line over AB)
most often
191-200
thirds, fourths,
rounded,
thousands,
exponential
form, mixed
number,
improper
fraction, lowest
common
denominator,
percent,
expanded form,
prime, factor,
proportion,
use of dot as a
multiplication
symbol
difference, not
true, power of
10, rounded,
thousands,
¢, %
+, $, decimal
point for cents,
¢
terms, meter,
millimeters,
kilogram, feet,
yards, unit of
measurement,
height,
thousands,
hundreds, tens,
table, graph,
length, width,
rectangular,
area, square
inches, exactly,
coins, numeral,
even, change,
average,
opposite,
percent,
subtrahend,
addend,
formula, circle,
diameter,
operation,
total, fact,
fraction,
surfaces, cube,
temperature,
first – fifth
(ordinal
names),
difference,
equivalent,
height, width,
parallelogram,
square,
rectangle,
triangle, year,
ton, seconds,
kilogram,
distance, miles,
liter,
mm =
millimeter, a.m.
and p.m., hr =
hours, min =
minutes
if-then, product,
sum
variables,
exponents
(signs /
symbols)
symmetrical,
parallel,
intersecting,
diagonal, pair,
angle, cylinder,
outside, inside,
sphere, faces,
corresponding,
point, intersect,
outside, axis of
symmetry, line
segment,
pentagon,
symbol for
parallel lines
average, bar
graph,
percentage,
%
201-210
211-220
missing
number,
pentagon,
simplest
fraction,
biggest,
hundredths,
one less,
decimal
numeral,
squared,
divisible,
inequality,
expanded
numeral,
equivalent,
point, standard
numeral,
sequence,
+ used as
positive
symbol, - used
as negative
symbol
counting
number,
portion,
fractional part,
lowest terms,
reciprocal,
order, scientific
estimate,
round, closest
to, sum, of
(used as in “½
of 36”),
square root
symbol
smallest, tenth,
– as a
negative, + as
a positive
tally marks, =,
- as an integer
sign, %, C, 
for answer
equation,
product,
increased,
number line,
information not
needed,
division,
estimate, odd,
prime, cube,
pattern,
geometric
patterns, extra
information,
rxt=d
decimals,
fractions, what
shape, hour,
minutes,
gallons,
average,
probability,
right angle,
circumference,
minutes,
decades,
milligrams,
gram, cubic
feet, volume,
liters, length,
weight,
kilometers,
millimeters,
mass,
ft for feet, mL
= milliliters,
right angle
symbol, symbol
for line
segment, 
input, output,
table,
associative,
equation
, 
intersection,
quadrilaterals,
octagon,
parallelogram,
pyramid,
isosceles, right
angle, diameter,
right angle,
geometric,
perpendicular,
plane,  for
triangle, angle
symbol
least often,
how many
ways, ordered
pairs,
coordinates,
distance
formula
yards, measure
of angle,
degrees,
protractor,
centuries,
below zero,
Celsius,
commutative,
solve, square
numbers, input,
output, number
sequence
symmetrical,
perpendicular,
ray, vertex,
rotation,
triangular prism,
corresponding
parts,
dice, arranged,
highest mean
notation, prime
factorization,
not prime,
factor tree,
common
multiples,
greatest
common
denominator,
equivalent,
nearest dollar
square root
symbol
221-230
231-240
always true,
proportion,
multiply,
between, tens
digit, standard
numeral, ratio
graph, squares,
%
product, divide,
most, if – then,
compute,
lowest terms
mortality,
odometer,
magic square,
deducted, less
than twice,
addends, less
than sum,
rectangle,
diameter,
radius, label
(units), area,
perimeter,
I = prt
“Solve for n”
regression
equation
rectangular
solid,
rectangular
prism, decades,
ounces,
” = inches, yd
= yards, b =
base, h =
height, r =
radius, s =
side, angle
symbol, - for
negative, + for
positive, d =
distance, tsp =
teaspoon, pt =
pint, gal =
gallon, qt =
quart, c = cup
reasonable,
formula,
segment BC, pi,
radius squared,
diameter,
metric units,
quarts, gallons,
rectangular
box, base, rate,
oz = ounces, C
=
circumference
rectangular
house, height
supplementary,
acute angle,
transformation,
 - congruent
symbol,  double arrow
symbol for
similarity,  - pi
symbol, ABC –
to label triangle
absolute value,
evaluate,
quotient,
square root
symbol, %,
absolute value
symbol
radius, polygon,
circumference,
trapezoid,
rectangular box,
equilateral,
similar, obtuse
angle, straight
angle, slide,
angle symbol,
label for line –
L1
even numbers,
mean, median,
integer,
intersection,
table,
frequency,
origin,
quadrant
inequality, ifthen statement,
transformation,
hypotenuse,
vertex,
fractional part,
241-250
251-260
Base ten, prime
factors
decimal
fractions,
opposite
sum of
opposites
matrix
and base,
algebraic
expression,
rows and
columns,
checking
account, car
purchase,
commission,
simple interest,
F = 9/5 C +
32, formula for
finding volume
of a pyramid
doubled and
tripled,
rectangular
solid, cylindrical
tank, algebra
tiles, inscribed,
time-and-ahalf, sales tax,
discount
term in
sequence,
square
numbers,
negative
coefficient,
I=pxrxt
edge, isosceles,
scalene triangle,
similar
trapezoids,
alternate
interior angles,
sum of angles in
triangle
amount of
sales,
translation,
matrix,
possibility,
mean salary,
coordinates of
points
regression
equation, varies
inversely as the
square, slope of
parallel lines,
solution to
system, factor
(used with
equations)
coordinate,
Venn diagram,
greatest
decrease,
endpoints,
midpoint
circumscribed,
distance
parabola,
intercepts,
symmetrical
halves,
diameter,
radius, angle
bisector,
tangent,
corresponding
parts of
congruent
triangles,
Pythagorean
theorem,
corresponding
angles,
complementary
angles,
construction
sign for parallel
lines
slope, nonvertical and
formula,
formula for
finding volume
of a cone,
formula for
volume of a
cube, formula
for finding
volume of a
rectangular
solid
261-270
271-280
infinite nonrepeating
decimal
rate of interest,
successive
discounts
number of
solutions,
simultaneous
equations,
counterexample,
solution set, sin
A, cosine,
tangent,
discriminant,
imaginary
solutions,
difference of
two squares,
read solution set
from graph,
factor
completely
non-horizontal,
midpoint,
endpoint,
rotational
symmetry,
reflected,
perpendicular
bisector, similar
triangles, similar
trapezoids,
similar cylinders,
conditional,
counterexample,
conclusion of inthen statement,
interior of angle,
exterior angle of
regular polygon,
interior angle of
regular polygon,
sum of angles in
triangle equals
180 degrees,
congruent
angles, adjacent
angles, vertical
angles
postulate
HL