1,000,000,000
billion
بيليون (در آمريکا معادل هزار ميليون و در انگليس معادل يک ميليون ميليون)
A billion is a thousand million. The Earth is billions of years old

budget
بودجه

A budget is a written account of all income and expenses for a person, a family, an organization, or a government. People use budgets to figure out how much money they take in and plan how much they can spend and save

chart
نمودار،جدول
A chart is a diagram, like a graph or a table, that shows the relationships between things

circle
دايره
All of the points on a circle are the same distance from the center

cone
مخروط
A cone is a shape that has a point at one end and a circular opening at the other end. In mathematics, this shape is a half cone

couple
زوج، جفت
A couple refers to two people or two objects

crescent
هلال
A crescent is the shape of the moon a little before of after the time of the new moon

cube
مکعب
A cube is a solid geometric figure with six square faces

curve
خط منحني
A curve is a wavy line

cylinder
استوانه
A cylinder is a figure with a long round body

denominator
مخرج کسر
The denominator is the bottom number in a fraction

diameter
قطر
The diameter is the longest distance from one side of a circle (or a sphere) to the other

diamond
لوزي
A diamond is a four-sided figure whose sides are all the same length. People play baseball on a diamond-shaped field

dividend
مقسوم

The dividend is the number that is divided (in long division). The dividend divided by the divisor is the quotient (plus a remainder)

division
تقسيم
Division is an operation that divides a number into portions

divisor
مقسوم عليه

The divisor is the number that the dividend is divided by (in long division). The dividend divided by the divisor is the quotient (plus a remainder)

dodecahedron
دوازده سطحي
A dodecahedron is a twelve-sided geometric solid whose faces are pentagons

2X
double
دوبرابر، مضاعف
Double means twice or two times

****
****
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12

dozen
دو جين، دوازده عدد
Dozen is another word for twelve

eight
هشت
Spiders have eight legs. Stop signs have eight sides

18
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eighteen
هجده
Eighteen is the number between seventeen and nineteen

80
eighty
هشتاد
Eighty is the number between seventy-nine and eighty-one

11

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eleven
يازده
Eleven is ten plus one

ellipse
بيضي
An ellipse is a flattened circle

=
equal
مساوي، برابر
When two things are equal they are exactly the same in number, quality, or amount

equilateral triangle
مثلث متساوي الاضلاع
The sides of an equilateral triangle are all the same length

...,0,2,4,6,8,10

even number
عدد زوج
An even number is divisible by two

Fahrenheit
فارنهايت
Fahrenheit is a measure of temperature that is abbreviated F. Water freezes at 32°F and boils at 212°F

first
اولين
The first person or thing comes before the others

15
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*****
*****

fifteen
پانزده
Fifteen is the number after fourteen (14) and before sixteen (16)

50
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**********
**********
**********

fifty
پنجاه

Fifty is the number after forty nine (49) and before fifty one (51)

five
پنج
People have five fingers on each hand

40
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**********

forty
چهل
Forty is the number after thirty nine (39) and before forty one (41)

four
چهار
Squares have four sides. Cats and dogs have four legs

14
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*******

fourteen
چهارده
Fourteen is the number after thirteen (13) and before fifteen (15)

fractal
منحني يا الگويي که منحني يا الگوي کوچک تر و کاملا" مشابه با خود را در بر مي گيرد
Fractals are patterns within patterns within patterns

1/2
fraction
کسر
A fraction is a part of a whole. Half of an apple is a fraction of an apple. The top number in a fraction is called the numerator; the bottom number in a fraction is called the denominator

geometry
هندسه
Geometry is the mathematical study of points, lines, angles, and solids

graph
گراف، نمودار
A graph is a diagram that shows relationships between things

greater than
بزرگ تر از
The mathematical symbol > means "greater than." When one number is greater than a second number, the first one is bigger than the second. For example, 4 is greater than 2, or 4 > 2

1/2
half
نيم، نصف
When something is divided into two equal parts, each of these two parts is half of the original object

heart
قلب
The heart is a shape that often symbolizes love

heptagon
هفت ضلعي
A heptagon is a seven-sided figure

hexaflexagon
يک شکل هندسي تا خورده که مي تواند تغيير کند(باز شود) تا سطوحش را نشان دهد
A hexaflexagon is a folded geometric figure that can be "flexed" to expose its many sides

hexagon
شش ضلعي

A hexagon is a six-sided figure. Beehives have hexagonal cells

100

hundred
صد
One hundred is the number after 99 and before 101

icosahedron
بيست وجهي
An icosahedron is a twenty-sided geometric solid

isosceles triangle
مثلث متساوي الساقين
An isosceles triangle has two sides that are the same length and two angles that are the same

kite
شکلي شبيه بادبادک (يک چهار ضلعي که اضلاع مجاور دو به دو با هم برابرند.)
A kite is a four-sided figure in which the two pairs of adjacent sides have the same length

less than
کمتر از

The mathematical symbol < means "less than." When one number is less than a secondnumber, the first one is smaller than the second. For example, 1 is less than 2, or 1 < 2

line segment
بخشي از يک خط

A line segment is a portion of a line

long division
نوعي روش تقسيم کردن که تمام مراحل آن نوشته مي شود
In long division, the dividend is divided by the divisor, resulting in a quotient plus a remainder

5	4	6
6	5	4
4	6	5

magic square
In a magic square, the rows, columns, and diagonals all add up to the

magic square
مربع جادويي (اگر اعداد موجود در طول يا عرض يا قطر را در اين شکل با هم جمع کنيم،عدد حاصل يکسان مي شود.)
In a magic square, the rows, columns, and diagonals all add up to the same number

mathematics
رياضي
Mathematics is the study of numbers, shapes, patterns, and logical reasoning