Digits, Grade 7, Volume 1, Homework Helper

Math Symbols

+

plus (addition)

minus (subtraction)

×, ·

times (multiplication)

divides comma long division symbol enclosing ,

divide (division)

=

is equal to

<

is less than

>

is greater than

is less than or equal to

is greater than or equal to

is not equal to

( )

parentheses for grouping

[ ]

brackets for grouping

–a

opposite of a

and so on

°

degrees

| a |

absolute value of a

Is the statement true?

is approximately equal to

b over eh

reciprocal of eh over b

A

area

length

w

width

h

height

d

distance

r

rate

t

time

P

perimeter

b

base length

C

circumference

d

diameter

r

radius

S.A.

surface area

B

area of base

L.A.

lateral area

slant height

V

volume

a n

nth power of a

square root of x

nonnegative square root of x

π

pi, an irrational number approximately equal to 3.14

(a, b)

ordered pair with x-coordinate a and y-coordinate b

eh b bar

segment AB

A′

image of A, A prime

ΔABC

triangle with vertices A, B, and C

arrow notation

eh colon b comma , eh over b

ratio of a to b

is congruent to

~

is similar to

A

angle with vertex A

AB

length of segment eh b bar

eh b vector

ray AB

ABC

angle formed by b eh vector and b c vector

mABC

measure of angle ABC

is perpendicular to

modified eh b with left right arrow above

line AB

||

is parallel to

%

percent

P (event)

probability of an event


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Table of Contents

Digits, Grade 7, Volume 1, Homework Helper Unit A: Number and Operations Unit B: Expressions, Equations, and Relationships Unit C: Measurement and Geometry Unit D: Proportionality English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties