JOBS that need the knowledge of mathematics :-
- Accountant
- Actuarial Executive
- Broker
- Business Consultant
- Call / Contact Centre Executive
- Credit Analyst
- Economist
- Financial Controller
- Insurance Agent
- Investment Banker
- Loss Adjuster (insurance)
- Management Trainee
- Statistician
- Trader
- Underwriter
By: Sayidatul :)
5SA's Maths Blog
“Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true.” -- Bertrand Russell
Monday 11 July 2011
Sunday 26 June 2011
Branches of Mathematics!
Hello there! There's five branches of mathematics which is as follow;
Foundations
The term FOUNDATIONS is used to refer to the formulation and analysis of the language, axioms, and logical methods on which all of mathematics rests. The scope and complexity of modern mathematics requires a very fine analysis of the formal language in which meaningful mathematical statements may be formulated and perhaps be proved true or false. Most apparent mathematical contradictions have been shown to derive from an imprecise and inconsistent use of language. A basic task is to furnish a set of axioms effectively free of contradictions and at the same time rich enough to constitute a deductive source for all of modern mathematics. The modern axiom schemes proposed for this purpose are all couched within the theory of sets, originated by Georg Cantor, which now constitutes a universal mathematical language.
Algebra
Historically, ALGEBRA is the study of solutions of one or several algebraic equations, involving the polynomial functions of one or several variables. The case where all the polynomials have degree one (systems of linear equations) leads to linear algebra. The case of a single equation, in which one studies the roots of one polynomial, leads to field theory and to the so-called Galois theory. The general case of several equations of high degree leads to algebraic geometry, so named because the sets of solutions of such systems are often studied by geometric methods.
Modern algebraists have increasingly abstracted and axiomatized the structures and patterns of argument encountered not only in the theory of equations, but in mathematics generally. Examples of these structures include groups (first witnessed in relation to symmetry properties of the roots of a polynomial and now ubiquitous throughout mathematics), rings (of which the integers, or whole numbers, constitute a basic example), and fields (of which the rational, real, and complex numbers are examples). Some of the concepts of modern algebra have found their way into elementary mathematics education in the so-called new mathematics.
Some important abstractions recently introduced in algebra are the notions of category and functor, which grew out of so-called homological algebra. Arithmetic and number theory, which are concerned with special properties of the integers—e.g., unique factorization, primes, equations with integer coefficients (Diophantine equations), and congruences—are also a part of algebra. Analytic number theory, however, also applies the nonalgebraic methods of analysis to such problems.
Analysis
The essential ingredient of ANALYSIS is the use of infinite processes, involving passage to a limit. For example, the area of a circle may be computed as the limiting value of the areas of inscribed regular polygons as the number of sides of the polygons increases indefinitely. The basic branch of analysis is the calculus. The general problem of measuring lengths, areas, volumes, and other quantities as limits by means of approximating polygonal figures leads to the integral calculus. The differential calculus arises similarly from the problem of finding the tangent line to a curve at a point. Other branches of analysis result from the application of the concepts and methods of the calculus to various mathematical entities. For example, vector analysis is the calculus of functions whose variables are vectors. Here various types of derivatives and integrals may be introduced. They lead, among other things, to the theory of differential and integral equations, in which the unknowns are functions rather than numbers, as in algebraic equations. Differential equations are often the most natural way in which to express the laws governing the behavior of various physical systems. Calculus is one of the most powerful and supple tools of mathematics. Its applications, both in pure mathematics and in virtually every scientific domain, are manifold.
Geometry
The shape, size, and other properties of figures and the nature of space are in the province of GEOMETRY. Euclidean geometry is concerned with the axiomatic study of polygons, conic sections, spheres, polyhedra, and related geometric objects in two and three dimensions—in particular, with the relations of congruence and of similarity between such objects. The unsuccessful attempt to prove the “parallel postulate” from the other axioms of Euclid led in the 19th cent. to the discovery of two different types of non-Euclidean geometry.
The 20th cent. has seen an enormous development of topology, which is the study of very general geometric objects, called topological spaces, with respect to relations that are much weaker than congruence and similarity. Other branches of geometry include algebraic geometry and differential geometry, in which the methods of analysis are brought to bear on geometric problems. These fields are now in a vigorous state of development.
Applied Mathematics
The term APPLIED MATHS loosely designates a wide range of studies with significant current use in the empirical sciences. It includes numerical methods and computer science, which seeks concrete solutions, sometimes approximate, to explicit mathematical problems (e.g., differential equations, large systems of linear equations). It has a major use in technology for modeling and simulation. For example, the huge wind tunnels, formerly used to test expensive prototypes of airplanes, have all but disappeared. The entire design and testing process is now largely carried out by computer simulation, using mathematically tailored software. It also includes mathematical physics, which now strongly interacts with all of the central areas of mathematics. In addition,probability theory and mathematical statistics are often considered parts of applied mathematics. The distinction between pure and applied mathematics is now becoming less significant.
Monday 13 June 2011
Maths Quotes ! :)
Hey guys, here are some interesting mathematical quotes that I found :)
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
John Louis von Neumann
John Louis von Neumann
Chess, like mathematics and music, is a nursery for child prodigies.
Jamie Murphy
Consequently he who wishes to attain to human perfection, must therefore first study Logic, next the various branches of Mathematics in their proper order, then Physics, and lastly Metaphysics.
Maimonides
Everyone knows what a curve is, until he has studied enough mathematics to become confused through the countless number of possible exceptions.
Felix Klein
As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.
Albert Einstein
One reason why mathematics enjoys special esteem, above all other sciences, is that its propositions are absolutely certain and indisputable, ... How can it be that mathematics, being after all a product of human thought which is independent of experience, is so admirably appropriate to the objects of reality.
Albert Einstein
Albert Einstein
Mathematics is not a deductive science -- that's a cliche. When you try to prove a theorem, you don't just list the hypotheses, and then start to reason. What you do is trial and error, experimentation, guesswork.
Paul R. Halmos, in I Want to be a Mathematician, Washington: MAA Spectrum, 1985.
“Arithmetic is numbers you squeeze from your head to your hand to your pencil to your paper till you get the answer.”
“Mathematics is made of 50 percent formulas, 50 percent proofs, and 50 percent imagination.”
"One cannot really argue with a mathematical theorem."
"Mathematics is the science of definiteness, the necessary vocabulary of those who know."
W. J. White
"The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful."
Henri Poincare
Done by : Helinna :)
Saturday 11 June 2011
APPLYING MATHEMATICS IN EVERYDAY LIFE.
By Sarah! :)
1) Business.
- We buy and sell anything and everything using simple mathematics such as addition, subtraction, division and multiplication.
- For example, when we stop by a convenient store and purchase a bar of chocolate which costs RM3.50 but pay with RM 5.00. How much change are we suppose to receive from the cashier?
- This involves mathematics. It is such a simple skill which can take you a very long way.
2) Economy.
- Statistics have been widely applied to determine the economy level of a certain company or even a country.
- It plays an important role in helping a company to plan its annual budget.
3) Architecture.
- An architect usually draws out a plan of their design. At times, they have a replica of a certain building.
- These plans have a certain scale to the original building.
- These architects use a ratios such as 1:249 of the replica to the building.
- It helps them a lot during the process of building.
4) Geography
- The existence of GPS is from the help of mathematics.
- Mathematics contribute to locating these places throughout the whole world.
- Nowadays, people can easily find directions to everywhere and anywhere.
- The distance of the places are also very accurate.
5) Health
- Every human needs nutrition in their daily diet. A nutritionist is the one who helps to determine the amount of nutrition a person needs.
- Each class of food has a certain amount that is needed by the body.
- Besides that, Body Mass Index (BMI) is also another use of mathematics.
- We use a certain formula that consists of mathematical measurements such as height and mass to calculate a person’s BMI.
6) Music
- Mathematics is also widely used in producing music.
- Every instrument uses the 4 count to be played melodically.
- With the help of counting, we can easily produce music.
1) Business.
- We buy and sell anything and everything using simple mathematics such as addition, subtraction, division and multiplication.
- For example, when we stop by a convenient store and purchase a bar of chocolate which costs RM3.50 but pay with RM 5.00. How much change are we suppose to receive from the cashier?
- This involves mathematics. It is such a simple skill which can take you a very long way.
2) Economy.
- Statistics have been widely applied to determine the economy level of a certain company or even a country.
- It plays an important role in helping a company to plan its annual budget.
- An architect usually draws out a plan of their design. At times, they have a replica of a certain building.
- These plans have a certain scale to the original building.
- These architects use a ratios such as 1:249 of the replica to the building.
- It helps them a lot during the process of building.
4) Geography
- The existence of GPS is from the help of mathematics.
- Mathematics contribute to locating these places throughout the whole world.
- Nowadays, people can easily find directions to everywhere and anywhere.
- The distance of the places are also very accurate.
5) Health
- Every human needs nutrition in their daily diet. A nutritionist is the one who helps to determine the amount of nutrition a person needs.
- Each class of food has a certain amount that is needed by the body.
- Besides that, Body Mass Index (BMI) is also another use of mathematics.
- We use a certain formula that consists of mathematical measurements such as height and mass to calculate a person’s BMI.
6) Music
- Mathematics is also widely used in producing music.
- Every instrument uses the 4 count to be played melodically.
- With the help of counting, we can easily produce music.
Sunday 5 June 2011
Hello!
Hey you guys (: Thank you for all your posts so far. For those you have Blogger and Twitter accounts, do you mind following the blog? Hehe thanks!
Happy Holidays!! :)
xoxo,
Sofea Ghani
Happy Holidays!! :)
xoxo,
Sofea Ghani
Friday 3 June 2011
Fun Ways to learn Maths
Hi, this is Elisha reporting for duty :)
I was assigned to find out interesting ways Malaysians learn Mathematics.
Well I am not going to bore you with internet facts, but rather share the observations I have made as a student.
I was assigned to find out interesting ways Malaysians learn Mathematics.
Well I am not going to bore you with internet facts, but rather share the observations I have made as a student.
Twitter is not only a happening, modern social site for teens, but can become a place for learning as well. Regular teenagers like you and me have started posting important facts about various subjects on twitter. The user may tweet about formulas or short notes that need to be remembered for SPM; and because it is on the internet, students from all around Malaysia can access these tweets and study on-the-go.
- Learning Festivals
Just as seen from the article above, the Kuantan district education office (with collaboration with a chemical company) organised an English, Maths and Science festival (EMaS Fest). The students were required to set up activity booths with different games, puzzles and riddles, based on the three subjects, that were related to the school syllabus. With this technique, many school children end up finding new ways to apply what they learn in school to everyday activities, which in turn makes them think outside the box.
- Mathematics Centers
I know what you're thinking, tuition ? Well I was thinking more a center for enhancing and developing children's thinking skills. In Malaysia, we have all sorts of centers which cater to this cause, like Kumon, Brain Builders and Tumble Tots. These centers let children or teenagers grow and bloom at their own pace with the help of tutors and teachers. Most students from these centers have no problem with Mathematics in school or in college as they excel tremendously beyond their years of learning at a very young age.
- Blogs
Last but not least, blogs. Blogs just like this one can make Mathematics a fun adventure. Students don't only learn Mathematics but also IT and simple blogging. This will allow easy and fast access to information about the subject, not only by students in Malaysia but all over the world, as anyone can view and benefit from these blogs. It lets students express their creative sides in individual ways , instead of making them cram word-for-word textbook information only to be forgotten the moment their exams are over.
As you can see, students of Malaysia, even normal students and teachers can create ways for Mathematics to be learnt outside of boring classroom lectures. Society has created a new outlet for children and teens to understand their lessons, rather than simply memorizing without understanding.
This, I believe, might just be the future in not only Mathematics but learning in general.
Thursday 2 June 2011
Glossary (A-M)
Maths Glossary (A-M) by Kamalam!
A
absolute value
The distance of a number from zero; the positive value of a number.
acute angle
A positive angle measuring less than 90 degrees.
acute triangle
A triangle each of whose angles measures less than 90 degrees.
additive identity
The number zero is called the additive identity because the sum of zero and any number is that number.
additive inverse
The additive inverse of any number x is the number that gives zero when added to x. The additive inverse of 5 is -5.
adjacent angles
Two angles that share both a side and a vertex.
angle
The union of two rays with a common endpoint, called the vertex.
arc
A portion of the circumference of a circle.
area
The number of square units that covers a shape or figure.
associative property of addition
(a + b) + c = a + (b + c)
associative property of multiplication
(a x b) x c = a x (b x c)
average
A number that represents the characteristics of a data set.
axis of symmetry
A line that passes through a figure in such a way that the part of the figure on one side of the line is a mirror reflection of the part on the other side of the line.
B
base
The bottom of a plane figure or three-dimensional figure.
Bisect
To divide into two congruent parts.
Box and whisker plot
A type of data plot that displays the quartiles and range of a data set.
C
Cartesian coordinates
A system in which points on a plane are identified by an ordered pair of numbers, representing the distances to two or three perpendicular axes.
central angle
An angle that has its vertex at the center of a circle.
chord
A line segment that connects two points on a curve.
circumference
The distance around a circle.
coefficient
A constant that multiplies a variable.
collinear
Points are collinear if they lie on the same line.
combination
A selection in which order is not important.
common factor
A factor of two or more numbers.
common multiple
A multiple of two or more numbers.
commutative property of addition
a + b = b + a.
commutative property of multiplication
a*b = b*a.
complementary angles
Two angles whose sum is 90 degrees.
composite number
A natural number that is not prime.
cone
A three-dimensional figure with one vertex and a circular base.
congruent
Figures or angles that have the same size and shape.
constant
A value that does not change.
coordinate plane
The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin. Each point in the coordinate plane can be specified by an ordered pair of numbers.
coplanar
Points that lie within the same plane.
counting numbers
The natural numbers, or the numbers used to count.
counting principle
If a first event has n outcomes and a second event has m outcomes, then the first event followed by the second event has n times m outcomes.
cross product
A product found by multiplying the numerator of one fraction by the denominator of another fraction and the denominator of the first fraction by the numerator of the second.
cube
A solid figure with six square faces.
cylinder
A three-dimensional figure having two parallel bases that are congruent circles.
D
data
Information that is gathered.
decimal number
The numbers in the base 10 number system, having one or more places to the right of a decimal point.
degree
A unit of measure of an angle.
denominator
The bottom part of a fraction.
dependent events
Two events in which the outcome of the second is influenced by the outcome of the first.
diagonal
The line segment connecting two nonadjacent vertices in a polygon.
diameter
The line segment joining two points on a circle and passing through the center of the circle.
difference
The result of subtracting two numbers.
digit
The ten symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number 215 has three digits: 2, 1, and 5.
distributive property
a(b + c) = ab + ac
dividend
In a / b = c, a is the dividend.
divisor
In a / b = c, b is the divisor.
E
ellipse
The set of all points in a plane such that the sum of the distances to two fixed points is a constant.
equation
A mathematical statement that says that two expressions have the same value; any number sentence with an =.
equilateral triangle
A triangle that has three equal sides.
equivalent equations
Two equations whose solutions are the same.
equivalent fractions
Fractions that reduce to the same number.
error of measurement
The difference between an approximate measurement and the actual measure taken.
evaluate
To substitute number values into an expression.
even number
A natural number that is divisible by 2.
event
In probability, a set of outcomes.
exponent
A number that indicates the operation of repeated multiplication.
F
factor
One of two or more expressions that are multiplied together to get a product.
factoring
To break a number into its factors.
face
A flat surface of a three-dimensional figure.
formula
A equation that states a rule or a fact.
fraction
A number used to name a part of a group or a whole. The number below the bar is the denominator, and the number above the bar is the numerator.
frequency
The number of times a particular item appears in a data set.
frequency table
A data listing which also lists the frequencies of the data.
G
graph
A type of drawing used to represent data.
greatest common factor (GCF)
The largest number that divides two or more numbers evenly
H
horizontal
A line with zero slope.
hypotenuse
The side opposite the right angle in a right triangle.
I
identity property of addition
The sum of any number and 0 is that number.
identity property of multiplication
The product of 1 and any number is that number.
improper fraction
A fraction with a numerator that is greater than the denominator.
independent events
Two events in which the outcome of the second is not affected by the outcome of the first.
inequality
A mathematical expression which shows that two quantities are not equal.
infinity
A limitless quantity.
inscribed angle
An angle placed inside a circle with its vertex on the circle and whose sides contain chords of the circle
inscribed polygon
A polygon placed inside a circle so that each vertex of the polygon touches the circle.
integers
The set of numbers containing zero, the natural numbers, and all the negatives of the natural numbers.
intercept
The x-intercept of a line or curve is the point where it crosses the x-axis, and the y- intercept of a line or curve is the point where it crosses the y-axis.
intercepted arc
The arc of a circle within an inscribed angle.
interpolation
A method for estimating values that lie between two known values.
intersecting lines
Lines that have one and only one point in common.
inverse
Opposite. -5 is the additive inverse of 5, because their sum is zero. 1/3 is the multiplicative inverse of 3, because their product is 1.
inverse operations
Two operations that have the opposite effect, such as addition and subtraction.
irrational number
A number that cannot be expressed as the ratio of two integers.
isosceles triangle
A triangle with at least two equal sides.
L
least common denominator
The smallest multiple of the denominators of two or more fractions.
least common multiple
The smallest nonzero number that is a multiple of two or more numbers.
like fractions
Fractions that have the same denominator.
line
A straight set of points that extends into infinity in both directions.
line of symmetry
Line that divides a geometric figure into two congruent portions.
line segment
Two points on a line, and all the points between those two points.
locus
A path of points.
logic
The study of sound reasoning.
lowest terms
Simplest form; when the GCF of the numerator and the denominator of a fraction is 1.
M
mean
In a data set, the sum of all the data points, divided by the number of data points; average.
median
The middle number in a data set when the data are put in order; a type of average.
midpoint
A point on a line segment that divides the segment into two congruent segments.
mixed number
A number written as a whole number and a fraction.
mode
A type of average; the number (or numbers) that occurs most frequently in a set of data.
multiple
A multiple of a number is the product of that number and any other whole number. Zero is a multiple of every number.
multiplicative identity
The number 1 is the multiplicative identity because multiplying 1 times any number gives that number.
multiplicative inverse
The reciprocal of a number.
mutually exclusive events
Two or more events that cannot occur at the same time.
A
absolute value
The distance of a number from zero; the positive value of a number.
acute angle
A positive angle measuring less than 90 degrees.
acute triangle
A triangle each of whose angles measures less than 90 degrees.
additive identity
The number zero is called the additive identity because the sum of zero and any number is that number.
additive inverse
The additive inverse of any number x is the number that gives zero when added to x. The additive inverse of 5 is -5.
adjacent angles
Two angles that share both a side and a vertex.
angle
The union of two rays with a common endpoint, called the vertex.
arc
A portion of the circumference of a circle.
area
The number of square units that covers a shape or figure.
associative property of addition
(a + b) + c = a + (b + c)
associative property of multiplication
(a x b) x c = a x (b x c)
average
A number that represents the characteristics of a data set.
axis of symmetry
A line that passes through a figure in such a way that the part of the figure on one side of the line is a mirror reflection of the part on the other side of the line.
B
base
The bottom of a plane figure or three-dimensional figure.
Bisect
To divide into two congruent parts.
Box and whisker plot
A type of data plot that displays the quartiles and range of a data set.
C
Cartesian coordinates
A system in which points on a plane are identified by an ordered pair of numbers, representing the distances to two or three perpendicular axes.
central angle
An angle that has its vertex at the center of a circle.
chord
A line segment that connects two points on a curve.
circumference
The distance around a circle.
coefficient
A constant that multiplies a variable.
collinear
Points are collinear if they lie on the same line.
combination
A selection in which order is not important.
common factor
A factor of two or more numbers.
common multiple
A multiple of two or more numbers.
commutative property of addition
a + b = b + a.
commutative property of multiplication
a*b = b*a.
complementary angles
Two angles whose sum is 90 degrees.
composite number
A natural number that is not prime.
cone
A three-dimensional figure with one vertex and a circular base.
congruent
Figures or angles that have the same size and shape.
constant
A value that does not change.
coordinate plane
The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin. Each point in the coordinate plane can be specified by an ordered pair of numbers.
coplanar
Points that lie within the same plane.
counting numbers
The natural numbers, or the numbers used to count.
counting principle
If a first event has n outcomes and a second event has m outcomes, then the first event followed by the second event has n times m outcomes.
cross product
A product found by multiplying the numerator of one fraction by the denominator of another fraction and the denominator of the first fraction by the numerator of the second.
cube
A solid figure with six square faces.
cylinder
A three-dimensional figure having two parallel bases that are congruent circles.
D
data
Information that is gathered.
decimal number
The numbers in the base 10 number system, having one or more places to the right of a decimal point.
degree
A unit of measure of an angle.
denominator
The bottom part of a fraction.
dependent events
Two events in which the outcome of the second is influenced by the outcome of the first.
diagonal
The line segment connecting two nonadjacent vertices in a polygon.
diameter
The line segment joining two points on a circle and passing through the center of the circle.
difference
The result of subtracting two numbers.
digit
The ten symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number 215 has three digits: 2, 1, and 5.
distributive property
a(b + c) = ab + ac
dividend
In a / b = c, a is the dividend.
divisor
In a / b = c, b is the divisor.
E
ellipse
The set of all points in a plane such that the sum of the distances to two fixed points is a constant.
equation
A mathematical statement that says that two expressions have the same value; any number sentence with an =.
equilateral triangle
A triangle that has three equal sides.
equivalent equations
Two equations whose solutions are the same.
equivalent fractions
Fractions that reduce to the same number.
error of measurement
The difference between an approximate measurement and the actual measure taken.
evaluate
To substitute number values into an expression.
even number
A natural number that is divisible by 2.
event
In probability, a set of outcomes.
exponent
A number that indicates the operation of repeated multiplication.
F
factor
One of two or more expressions that are multiplied together to get a product.
factoring
To break a number into its factors.
face
A flat surface of a three-dimensional figure.
formula
A equation that states a rule or a fact.
fraction
A number used to name a part of a group or a whole. The number below the bar is the denominator, and the number above the bar is the numerator.
frequency
The number of times a particular item appears in a data set.
frequency table
A data listing which also lists the frequencies of the data.
G
graph
A type of drawing used to represent data.
greatest common factor (GCF)
The largest number that divides two or more numbers evenly
H
horizontal
A line with zero slope.
hypotenuse
The side opposite the right angle in a right triangle.
I
identity property of addition
The sum of any number and 0 is that number.
identity property of multiplication
The product of 1 and any number is that number.
improper fraction
A fraction with a numerator that is greater than the denominator.
independent events
Two events in which the outcome of the second is not affected by the outcome of the first.
inequality
A mathematical expression which shows that two quantities are not equal.
infinity
A limitless quantity.
inscribed angle
An angle placed inside a circle with its vertex on the circle and whose sides contain chords of the circle
inscribed polygon
A polygon placed inside a circle so that each vertex of the polygon touches the circle.
integers
The set of numbers containing zero, the natural numbers, and all the negatives of the natural numbers.
intercept
The x-intercept of a line or curve is the point where it crosses the x-axis, and the y- intercept of a line or curve is the point where it crosses the y-axis.
intercepted arc
The arc of a circle within an inscribed angle.
interpolation
A method for estimating values that lie between two known values.
intersecting lines
Lines that have one and only one point in common.
inverse
Opposite. -5 is the additive inverse of 5, because their sum is zero. 1/3 is the multiplicative inverse of 3, because their product is 1.
inverse operations
Two operations that have the opposite effect, such as addition and subtraction.
irrational number
A number that cannot be expressed as the ratio of two integers.
isosceles triangle
A triangle with at least two equal sides.
L
least common denominator
The smallest multiple of the denominators of two or more fractions.
least common multiple
The smallest nonzero number that is a multiple of two or more numbers.
like fractions
Fractions that have the same denominator.
line
A straight set of points that extends into infinity in both directions.
line of symmetry
Line that divides a geometric figure into two congruent portions.
line segment
Two points on a line, and all the points between those two points.
locus
A path of points.
logic
The study of sound reasoning.
lowest terms
Simplest form; when the GCF of the numerator and the denominator of a fraction is 1.
M
mean
In a data set, the sum of all the data points, divided by the number of data points; average.
median
The middle number in a data set when the data are put in order; a type of average.
midpoint
A point on a line segment that divides the segment into two congruent segments.
mixed number
A number written as a whole number and a fraction.
mode
A type of average; the number (or numbers) that occurs most frequently in a set of data.
multiple
A multiple of a number is the product of that number and any other whole number. Zero is a multiple of every number.
multiplicative identity
The number 1 is the multiplicative identity because multiplying 1 times any number gives that number.
multiplicative inverse
The reciprocal of a number.
mutually exclusive events
Two or more events that cannot occur at the same time.
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