Published by: Brayan Fernando Martinez Simales

1. My own math's
dictionary.
By: Brayan Fernando Martinez Simales

2. A
Abacus:[noun] /ˈæb.Ə.Kəs/ it’s a tool
for counting and calculating.
Add/addition :[noun]
/æd/or/əˈdɪʃ.Ən/ to put two or more
numbers or amounts together to get a
total.

3. Addend: [Noun]/ ăd′ĕnd′ / any of a group of
numbers or terms added together to form a sum.
Angle: [Noun]/ˈæŋ.ɡəl/ the space between two
lines or surfaces at the point at which they touch
each other, measured in degrees.

4. Annual: [adjective] /ˈæn.Ju.Əl/
relating to a period of one year.
Approximation: [noun]
/əˌprɑːk.Səˈmeɪ.Ʃən/ a guess of a number
that is not exact but that is close.
Arithmetic: [Noun] /əˈrɪθ.Mə.Tɪk/
calculations involving adding and
multiplying, etc. Numbers.

5. B
Balance: [noun]/ˈbæl.Əns/ having the same weight (mass) on
either side.
Base: [noun] /beɪs/ the bottom part of an object.
Billion:[Noun] /ˈbɪl.Jən/ a thousand millions.
Brackets: [Noun] a part of symbols used to enclose a section of a
mathematical expression.
Balance

6. C Calculator:[noun] /ˈkæl.Kjə.Leɪ.T̬ɚ/ a
small electronic device that is used for
doing calculations.
Calendar:[noun] /ˈkæl.Ən.Dɚ/ a printed
table showing all the days, weeks, and
months of a year.
Celsius:[noun] /ˈsel.Si.Əs/ a temperature
measurement scale used in the metric
system.
CALCULATOR

7. Century:[noun] /ˈsen.Tʃər.I/ one
hundred years.
Circle: [noun]/ˈsɝː.Kəl/ a
continuous curved line.
Coefficient: [noun] /ˌkoʊ.ɪˈfɪʃ.Ənt/ a
number which multiplies a variable.

8. • Corner: [noun] /ˈkɔːr.Nɚ/ points where the
edges of a solid figure meet.
• Cube: [noun]/kjuːb/ a solid object with six
squares sides of equal size.
• Curve: [noun]/kɝːv/ a line tha is not straight.
Corner
CURVE

9. D Date: [noun] /deɪt/ record showing a
given day, month and year.
Day: [noun] /deɪ/ a period of 24
hours, it’s a period of time when the
earth turns around itself.
Decade: [noun] /ˈdek.Eɪd/ a period
of ten years.

10. • Denominator:
[noun]/dɪˈnɑː.Mə.Neɪ.T̬ɚ/ the
number below the line of a
fraction.
• Digit: [noun] /ˈdɪdʒ.ɪt/ any one
of the ten numbers 0 to 9.
• Distance: [noun]/ˈdɪs.Təns/ the
length between two
points(objects)

11. • Division: [noun] /dɪˈvɪʒ.Ən/ sharing or
grouping a number into equal parts.
• Divisor: [noun] /dɪˈvaɪ.Zɚ/ a number by
which another number is divided in a
calculation.
• Dividend: [noun] /ˈdɪv.Ə.Dend/ the
number being divided.

12. • Double: [adjective]/ˈdʌb.Əl/
multiplied by 2, twice as much.
• Dozen: [noun] /ˈdʌz.Ən/ a
group or set of 12.

13. E • Element: /ˈel.Ə.Mənt/ member of a set.
• Equal: /ˈiː.Kwəl/ having the same amount or
value.
• Equilateral triangle: /ˌi·kwəˈlæt̬·ə·rəl
ˈtrɑɪˌæŋ·ɡəl, ˌek·wə-/ a triangle that has all
sides the same length.
• Exponent: /ɪkˈspoʊ.Nənt/ a number or sign
that shows how many other number is to be
multiplied by itself.

14. F Factor:[noun] /ˈfæk.Tɚ/ a
whole number that divides
exactly into another number.
Finite: [adjective]/ˈfaɪ.Naɪt/
able to be counted, limited.
Flashcard:[noun] /ˈflæʃ
ˌkɑːrd/ series of cards used for
practice.

15. Fortnight: [noun]/ˈfɔːrt.Naɪt/ two weeks or fourteen days.
Fraction: [noun]/ˈfræk.Ʃən/ any part of a group, number or
whole.
Frequency: [noun]/ˈfriː.Kwən.Si/ the number of times a
particular item appears in a set of data.
Function: [noun]/ˈfʌŋk.Ʃən/ a mathematical relationship
between two values.
Fraction Frequency

16. • Geometry:[noun] /dʒiˈɑː.Mə.Tri/ area of
mathematics dealing with solids, surfaces,
points, lines, curves and angles, and their
relationships in space.
• Gram (g):[noun] /ɡræm/ a standard
metric unit for measuring mass.
• Grouping: [noun]/ˈɡruː.Pɪŋ/ dividing
things into equal groups (sets)
• GMT: [noun]/ˌdʒiː.Emˈtiː/ standard time
measured at greenwich, england.
G

17. H
Half:[adjective] /hɑːf/ one of two equal
parts.
Heptagon:[noun] /ˈhep.Tə.ɡɑːn/ a
polygon with 7 sides.
Horizontal:[adjective] /ˌhɔːr.ɪˈzɑːn.T̬əl/
parallel to the horizon
Hour:[noun] /aʊr/ a period of 60
minutes.
Hundred:[number] /ˈhʌn.Drəd/ whole
number equal to 10x10.

18. I,i Impossible:[adjective] /ɪmˈpɑː.Sə.Bəl/
no chance- will not happen.
Increase: [verb]/ɪnˈkriːs/ get larger in
size or number.
Inequality:[noun] /ˌɪn.ɪˈkwɑː.Lə.T̬i/
not equal in size, amount or value.
Infinite: [adjective]/ˈɪn.Fə.Nət/ unable
to be counted, unlimited.

19. Interval:[noun] /ˈɪn.T̬ɚ.Vəl/ distance
between two points.
Irrational number:[noun] /ɪˌræʃ.Ən.Əl
ˈnʌm.Bɚ/ a real number that can be
written as: a nonrepeating or
nonterminating decimal but not as a
fraction.
Irregular:[adjective] /ɪˈreɡ.Jə.Lɚ/ a shape or
mathematical object which is not regular.
INTERVAL
Irrational Number

20. K Keyword:[noun] /ˈkiː.Wɝːd/ it can help us
solve mathematical word problems.
Kilogram:[noun] /ˈkɪl.Ə.ɡræm/ a unit of
mass equal to 1000 grams.
Kilometer:[noun] /kɪˈlɑː.Mə.T̬ɚ/ standard
metric unit for measuring distance.
Kite:[noun] /kaɪt/ plane shape having two sets
of equal sides and one of opposite angles that
are equal.
Keyword
Kite

21. L Least:[adverb] /liːst/ the smallest in a
group.
Length:[noun] /leŋθ/ distance from
one end to the other.
Less:[adverb] /les/ not as many as.
Likely:[adjective] /ˈlaɪ.Kli/ will
probably happen.
Least

22. Line: /laɪn/ a mark of something.
Litre: /ˈliː.T̬ɚ/ a metric unit for
measuring capacity.
Long: /lɑːŋ/ name given to base 10
block representing 10.
Long

23. MMass: [adjective]/mæs/ quantity of matter
in an object.
Mathematics: [noun]/ˌmæθˈmæt̬.ɪks/ the
study of numbers, quantities, shapes and
space using mathematical processes, riles
and symbols.
Maximum:[adjective] /ˈmæk.Sə.Məm/
highest or greatest amount or value.

24. Mean:[verb] /miːn/ average of a
number of different amounts.
Member:[noun] /ˈmem.Bɚ/ element of
a set.
Meter:[noun] /ˈmiː.T̬ɚ/ a metric unit
for measuring length, equal to 100
centimeters.
Member

25. Millennium:[noun] /mɪˈlen.I.Əm/
a period of 1000 years.
Million:[number] /ˈmɪl.Jən/ one
followed by 6 zeros. Equal to one
thousand thousands.
Minimum:[noun] /ˈmɪn.Ə.Məm/
lowest or least amount or value.

26. Minus:[preposition] /ˈmaɪ.Nəs/ to substract.
Minute:[noun] /ˈmɪn.ɪt/ a unit of time is
equal to 60 seconds.
Month:[noun] /mʌnθ/ a period of about four
weeks.
Minus

27. Multiplication:
[noun]/ˌmʌl·tə·plɪˈkeɪ·ʃən/ the
process of multiplying numbers.
Multiple:[noun] /ˈmʌl.Tə.Pəl/
the number doing the
multiplying.
Multiplicand: [noun]the
number being multiplied.

28. NNatural number:[noun] a counting number from
one to infinity.
Negative number:[noun] a number less than zero.
Number: [noun]/ˈnʌm.Bɚ/ describes quantities or
values.
Numeral:[noun] /ˈnuː.Mə.Rəl/ a symbol that
represents a number.
Numerator: [noun]/ˈnuː.Mə.Reɪ.T̬ɚ/ the number
above the line in a fraction.

29. O • Octagon:[noun] /ɑk·təˌɡɑn/ a polygon
having eight angles.
• Operations:[noun] / ˌɑp·əˈreɪ·ʃən/ a process
of a practical or mechanical nature in some
form or work.
• Ordinal:[noun] / ˈɔr·dən·əl/ a number such
as 1st, 2nd, 3rd, 4th, that shows the position of
something in a list of things.
• One:[number] /wʌn/ the number 1

30. P
Pyramid:[noun] /ˈpɪr.Ə.Mɪd/ a solid object
with a square base and fourtriangular sides
that form a point at the top.
Polynomial: [noun] /ˌpɑl·əˈnoʊ·mi·əl/ the
result or adding or substracting two or more
numbers or variables.
Parallel:[adjective] /ˈpær.Ə.Lel/if two or
more lines are parallel, the distance between
them is the same all long their length.

31. Proportion: [noun]/prəˈpɔː.Ʃən/ the
number or amount of a group or part of
something when compared to the whole.
Problem:[noun] /ˈprɒb.Ləm/ a
situation, person, or thing that needs
attention and needs to be deal with or
solved.
Proportion

32. QQuarter: [noun]/ˈkwɔː.Tər/ one of four equal or
almost equal parts of something.
Quantity:[noun] /ˈkwɔː.Tər/ the amount or
number of something, especially that can be
measured.
Quadrilateral:[noun] /ˌkwɒd.Rɪˈlæt.Ər.Əl/ a
flat shape with pour straight sides.
Quantitative:[adjective]/ˈkwɒn.Tɪ.Tə.Tɪv/
relating to numbers or amounts.

33. R Raise:[verb] /reɪz/ to lift something to a
higher position.
Rectangle: [noun]/ˈrek.Tæŋ.ɡəl/ a flat
shape with four angles and four sides, with
opposite sides of equal length.
Radius: [noun] /ˈreɪ.Di.Əs/ a straight line
joining the center of a circle to its edge or the
center of a sphere to its surface.
Raise

34. Rhombus: [noun]/ˈrɒm.Bəs/ a flat
shape that has four sides that are all
of equal length.
Rotation: [noun]/rəʊˈteɪ.Ʃən/
movement in a circle around a fixed
point.

35. S
Second: [predeterminer] /ˈsek.Ənd/
immediately after the first and before
any others.
Semicircle: [noun] /ˈsem.Iˌsɜː.Kəl/
half a circle.
Score:[verb] /skɔːr/ to win or get a
point, goal, etc. In a competition, sport,
game or test.
Sequence:[noun] /ˈsiː.Kwəns/ a series
of related things or events, or the order
in which they follor each other.Sequence

36. T Third: [ordinal number] /θɜːd/ 3rd
written as a word
Triangle: [noun] /ˈtraɪ.Æŋ.ɡəl/ a flat
shape with three straight sides.
Trinomial:[noun] /traɪˈnoʊ.Mi.Əl/ a
mathematical statement with three
numbers or variables.

37. U
Unit: /ˈjuː.Nɪt/ a single thing or a
separate part of something larger.
Unequal: /ʌnˈiː.Kwəl/ different in
size, level, amount, etc.

38. V
Value:[noun] /ˈvæl.Juː/ the amount
of money that can be received for
something
Variable: [adjective] /ˈveə.Ri.Ə.Bəl/
likely to change often.

39. W Week:[noun] /wiːk/ unit of
time equal to 7 days.
Whole:[adjective] /hoʊl/ all,
everything, total amount, all the
parts.

40. Y
Yard: /jɑːrd/ equal to 3 feet
or 36 inches.
Year: /jɪr/ the time it takes
the earth to completely orbit
the sun, equal to 12
months, 52 weeks or 365
days.
Z
 Zero: /ˈzɪr.oʊ/ the number 0.

41. Look for more
information on:
Http://www.Amathsdictionaryforkids.Com/dictionary.Html
Http://dictionary.Cambridge.Org/