It is hard to believe the screw has been around since the 3rd century BC, the concept was invented by Archimedes. The moderen screws look different now and there are many different types of screws.

It is hard to believe the screw has been around since the 3rd century BC, the concept was invented by Archimedes. The moderen screws look different now and there are many different types of screws.

We use math everyday in our regular life. When you go to the store and want to make sure you have enough money to pay for all the items you are buying, you use math to add the prices up.…

Supplementary angles are angles that can be added together to equal 180 degrees. For example, a 60 degree angle and a 120 degree angle would be supplementary to each other. Angles do not need to be next to each other…

If a set of objects are concentric, they share a common center. For example circles, tubes, disks, and spheres may be concentric. Just because objects are concentric, it does not mean that they have the same radius.

If something is congruent, they are the same. I, math, when two shapes are the same size and shape they are congruent. Congruent sides measure the same length.

You multiply decimals just like you would multiply whole numbers. However, after you have the answer, you would start at the last digit of the answer and move to the right the number of places as the sum of the…

A man named Nicolas Chuquet first used exponential notation back in the 15th century. In the next century, Robert Recorde further developed the system.

Fractals are pieces of a larger whole in geometrical shapes. It is like a miniature picture of a larger picture, but divided into pieces. Look here for more information:

Relative pronouns are words like that,who,whom,whose,which,where,when and why.Example this is the house that jack built.The woman to whom you just spoke to is my mom.

People use algebra for a lot of things without really putting much thought to it. Rounding up each item in your shopping cart and adding the ten percent sales tax is a way that people use more then one format…

You find the area of a square by knowing the area formula. The area formula for a square is given by Area = (Side )^2, where Side is the side length of the square. For example, a square with a…

A polygon is figure with a closed plane that has straight sides. One common polygon that we all know is the octagon. This is the shape of the stop sign that we see every day when driving.

A parallelogram is a figure in which opposite sides are parallel to each other. A few examples of parallelograms are squares, rectangles, and rhombuses.

A straight edge is a hand tool that is made up of a flat rectangular bar that is either wood or metal. It is used to draw straight lines, or to test a line’s straightness.

Inept means to be incapable. The opposite of being incapable is being able to do something. The word inept refers to someone being unable to complete a task and is foolish to keep trying.

Raw data is data that has not been deciphered yet, so that it can be understood. Information that is collected in an experiment is raw data. It has to be broken down and put into terms that you can understand.

Math is important because every career you can name uses math in one form or another. Math is the most widely used subject. Math is used in banking, science, pharmaceuticals, astronomy, sales, retail jobs, bookkeeping, purchasing and well, just to…

Logical thinking is the ability to solve problems and make smart decisions. We all make logical decisions everyday. Logical thinking is a process of thinking out each factor and every detail or a problem and get to the end solution.

There are an infinite amount of prime numbers. This is due to the fact that there is an infinite amount of numbers in the world of mathematics. For more information see here:

An 11 sided figure is called a hendecagon. It may also be called an undecagon. The hendecagon is a polygon and has 147.27 degrees of internal angles.

The complementary angles are defined as the pair of angles whose sum is equal to 90 degree or pi/2 radian. A pair of complementary angle forms a tangent.

Discrete mathematics is a branch of Mathematics in which discrete functions are studied. It includes Logic, Set Theory, Combination, etc. It is base of Computers.

APR stand for annual percentage rate. It is important to understand the percentage rates on credit cards. Some percentage rates are so high it could end up being very costly for you. Look here for more information:

Try a school class room or a math book for instance is where you can find math. You can also find numerous websites for math on the internet. Math, Site For Teachers, and Algebra Answer is where you can find…

A knot is a measure of speed, or a method of tying. In speed terms, one nautical mile equals one knot. One knot equals 1.15 miles per hour.

Imaginary numbers are which can’t be plotted on Real axes. They have Imaginary Part (I.P.) and Real Part (R.P.). Root of negative number is imaginary.

Cooking sieves are used to separate food from juices or other contents. The cooking sieves come in many sizes. They are used for different areas of cooking as well as baking.

An adjacent angle is an angle that is opposite the right angle of a triangle. It is often used in calculations of slope and is sometimes called the opposite angle.

A triangle is one of the basic shapes in geometry, which has three vertices or edges. Some of the formula for triangle are as follows; Area = base X height /2 and Perimeter = side1 + side2 + side3. For…

A scatter plot is a form of graph in which points of value are shown based on x and y criteria. It provides information about the connection between the two variables. You can find more information here:

Algebra is important because it is a math that is used in almost all professions. Algebra is the basis for all math. It helps to get you ready for college.

Multiplication is much like adding. Example; 2+2=4 So you would simply do 2×2=4. You are pretty much just adding but in a faster way. For a larger example; 12×12=144. You wouldn’t want to write out 12+12+12+12…12 times would you?

Punctuation is vital to the meaning of a sentence. It is symbols that mark the spots that need to be stressed and when to take a breath when reading.

Discrete Mathematics is a branch of Mathematics which studies discrete relations and functions. It includes Logic, Set Theory, Combination, Number Theory. It is base of Computers.

The quadratic formula has been in use since the ancient Egyptians. It was refined by the Babylonians about 4,000 years ago. Who exactly discovered the formula is not know.

Algiers is an ancient port located on the west side of a bat of the Mediterranean Sea and is the capital and largest city of Algeria, North Africa. It was built on the slopes of a chain of hills parallel…

A fraction is a number between 0 and 1. Fractions are a different way of representing decimals. For example, the fractional equivalent of 0.5 is 1/2. In this example, the 1 is called the numerator and the 2 is the…

Archimedes was a Greek mathematician, inventor, scientist and engineer. He was killed by Roman soldier during the Siege of Syracuse. His well known works include Archimedes’ screw, hydrostatics and Archimedes’ principle, the Golden Crown. You can find more information here:

A two step equation looks something like this 4x + 5 = 37 with the goal being to find the value of x. To solve, first subtract 5 from both sides of the equal sign ( 4x = 5 –…

Percentages of a number are found by dividing the number by 100, then multiplying by the percent you want to find. For example, say you want to know 70 percent of 60: (60/100 x 70) = 42.

The best way to calculate area is to get good measurements on the object or place you are calculating. You should then multiply the length times the width times the height.

To learn to tie a tie, ask a friends or relative and practice in front of a mirror. Also try

In a regular octagon, you can find how many degrees are in it by using the formula (n-2)180 degrees. If you substitute 8 for n, you get that 6(180) degrees = 1080 degrees. If you wanted to find the measure…

UTM is the short acronym for Universal transverse Mercator. This secant transverse mercator projection is a method using grids to find locations on Earth. You can find more information here:

A nine sided figure is called a nonagon or enneagon which is actually a 9 sided polygon, which is made up of closed straight lines. A ten sided figure is called a decagon.

Although no reason has actually been proven about why ‘m’ represents slope, there are many theories. One of these theories is that ‘slope’ used to be called ‘modulus of slope’.

A picture graph is a kind of graph that you use to show relationship in statistics using pictures. This is a great way to help kids learn how to use graphs.

The four main cardinal points also known as cardinal directions are north, south, east, and west. The cardinal point north and south always point to their respective geographical poles, while east and west are always at right angels to south…

Euclid’s Elements is the oldest math book in existence, authored by Euclid of Alexandria. A Greek mathematician and teacher, he wrote the book as he taught and is considered the Father of Geometry.

Lots of people enjoy music, the beat and the sound of the beats gets your body to moven. Music and math relate in rhythm you have to count each and every beat to make music.

Decimals can be added, subtracted, multiplied and divided. To understand decimals you must know that a decimal number has a value to the left of the decimal point such as 15.3 this is 15 and 3 tenths.You can find more…

You can simplify radical expressions by finding the root of the given figures that have the same index number. You’ll add together the figures, keeping the index number the same. An online tutorial will help you learn more about these…

A nonagon is a closed shape that has nine sides to it. It usually is true that these nine sides are equal in length. However, sometimes they are not and this is more often referred to as a polygon.

The three dimensions are length, width, and depth (or height). Humans see in three dimensions, but there are actually four dimensions in space-time.

Percent means that we have a ratio of two numbers where 100 is the denominator. For example, 7/100 is 7 out of 100, 7 percent or 7%. It is easier to say 7 percent than 7 out of 100.

A six sided polygon is known as a hexagon. It not only has 6 sides by also 6 vertices. The internal angles of this geometric shape all add up to 120 degrees.

The number system we use originated from India. This system was shared with Europe by the Arabs. It is the Hindu-Arabic number system and was thought to be first used in Europe in the 900s.

A fraction is a number that represents a part of a whole. It can also represent a ratio. Like whole numbers fractions obey the math laws of commutative, associative and distributive properties. Look here for more information:

Congruent figures are figures that have the exact shape and size. They have corresponding angles, and all of their segments are the exact same size.

A six sided figure is a hexagon. An example of a hexagon is found on soccer balls. You can have a regular hexagon where all the sides are the same size, or an irregular one where the lines are not…

A rational number is any whole number, fraction or decimal. It is any number that can be named, including negative numbers. For example, ‘five’ or even ‘one half’ are both rational numbers.

Vertices is the plural form of vertex, which means ‘the highest point; the apex, or summit’. It is also acceptable to use the word ‘vertexes’.

Working out percentages is pretty easy once you know the formula. Let’s say you want to determine 15% of a $34.00 check. Just take 34.00 and multiply it by .15. This would be $5.10.

Finding the percentage is quite easy. If you set any situation up as a proportion of is/of=%/100, then you can find the percentage of anything.

The perimeter is basically the sum of all the lengths of an entire figure. For example, to find the perimeter of a square, you would simply add the lengths of all four sides.

When ordering fractions, you will want to use 0,1/2, and 1 as benchmarks for comparison. First determine whether the fraction is more or less then 1. If less check to see if it is more then 1/2. For more information,…

Algebra is not invention of single individual. Human is using maths for so long for calculation and trade. Many mathematicians around world considered added their inventions in Algebra.

Mental math is when you use your brain only ( no calculator, computer or pen and paper) for a mathematical calculation. Performing mental calculation involves many different techniques.

Are you studying to find the area of an octagon for a test? Make sure you pay close attention so you will do well in your studies and maybe help some of your classmates.You can find more information here:

To use a protractor, you must first find the center hole on the straight edge. Place the hole over the point of the angle you want to measure. Line up the zero on the straight edge with one side of…

Percents are easy if you just remember to move the decimal 2 places to the right. Say you have 15 candy bars and you give away 12 of them then what percent have you given away? Divide 12 by 15…

Reasoning is a complex process involving a number of abilities including association, categorization, cause and effect, problem solving, and judgment of safety. The Reasoning are a rock band from Cardiff formed in August 2005 by Bass Guitarist Mathew Cohen. For…

Since homework is any time you need additional study outside of the classroom, it has been going on in one form or another since the time of learning.

A pyramid has eight edges. The pyramid is formed by four faces, or sides, that meet at an apex and a base. The four faces form a triangle and the base will form a square.

Parallel play is seen in the early stages of child development around the age of 2 to 3 years old. Parallel play is basically when two or more kids play in the same vicinity with the same toy, but are…

The best way to write an argumentative essay is to find supporting facts that prove, or suggest, that your idea is correct. The more sources you have that concur with your argument, the more successful your paper will be because…

Fractions are among the most complicated and frustrating problems in math. In order to solve this type of problem you will need understand how numerators, denominators and reciprocals work. Look here for more information:

Solving a linear equation with two variables, x and y, is quite easy. All you need to do is isolate the x variable by solving for it. Once you have the exact x value, you simply plug it in the…

Pre calculus is a class that you take to prepare you to take calculus. It is both a review of your previous math courses and with some light calculus. It is often used to give you a refresher of previous…

A platonic solid is a convex polyhedron that is a regular polygon. This means that the faces are congruent regular polygons with the same number of faces at each vertex.

Mean is adding the numbers and dividing it by total quantity of number. Mean gives a value which is very close to almost all the numbers.

To find the slope of a line, calculate the ratio of the rise of the line to the run of the line, or the units the line travels in the y direction by those traveled in the x direction.

You can square a foundation simply by measuring from each corner diagonally across the the other corner. Adjust the square until both measurements are the same. For more information see here:

Euler’s Formula explains a relationship between the trigonometric functions and the complex exponential function. It was named after Leonhard Euler and has been referred to ask an astounding mathematical formula. To find more information click here:

An 11-sided polygon is called either a undecagon or a hendecagon. The sum of the interior angles of this polygon is 1620 degrees. It also has 44 diagonals. You can find more information here:

It is very easy to find the perimeter of a triangle. You simply add the given lengths of the three sides. In other words, it is the entire distance around the outside of the triangle.

A heptagon is a shape with seven sides. An octagon has eight sides; a nonagon has nine sides; a decagon has 10 sides; a hendecagon has 11 sides. You can find more information here:

A reciprocal is something that has a marks a particular type of relationship between two nouns. Reciprocals are often used in mathematics when there is a pair of numbers whose produce is one. For more information see here:

A windsor know is a triangular knot that is regularly used to tie a tie. Start with the wide end of the tie hanging about a foot below the narrow end. Cross the wide end over the narrow end. Pull…

A hexagon is a six sided geometric figure. A hexagon is also classified as a polygon because of the six distinct sides it consists of.

Trigonometry is basically pretty simple. It studies triangles and how the sides and angles are related. Before studying trigonometry, you should know what a right angle is, how to take measurements of angles, and know the three sides of a…

Pi is used in math to define the ratio of circumference to the diameter of a circle. So if you are looking for the circumference and have the diameter multiply it by pi to get the circumference.

When a researcher asks questions to measure conditions that already exist, they are looking for how the variables are related. If the values of two variables increase or decrease together, they represent a positive correlation. If one goes up when…

A perpendicular line is a line that makes a 90 degree angle with a line that it intersects. A square object has four perpendicular lines.

Pi is one of those mathematical numbers that goes way back. It was discovered nearly four thousand years ago and is used to this day. Its first revelations were used as an estimated value of finding values in relation to…

In order to be credited with a save, a pitcher needs to be the finishing pitcher on the winning team, and not be the winning pitcher. In addition, he needs to pitch at least 1/3 of an inning. He also…

A polygon with 5 sides is called a pentagon. Each interior angle of a regular pentagon has 108 degrees. The total degrees on the interior of a pentagon is 540 degrees.

No one person can be credited with the discovery of mathematics. Certain scientists are credited with certain fields of study within the whole such as Newton discovered calculus, but we can’t say that he discovered all of math. For more…

The definition of fractal is a rough or fragmented geometric shape that can be split into parts, each of which is a reduced size copy of the whole.

A negative plus a positive is like subtracting the negative number from the positive number. For example, if we have a negative 3 and a positive 5, we would represent this as 5 + -3= 2 or 5-3=2.

Inductive reasoning means using a resoning/ logic from a specific case and apply it as a general rule. It can be also framed to reason about the future using the case from the past.

To get the percentage one number is of another number, take the number you want to know is what percent of the other number, divide it by the other number and multiply the answer by 100.

Tying a double windsor knot in a tie is done with just an extra step added to the normal procedure of tying a tie. You just do an extra loop around the tie before threading it through.

SPSS truly is a complex system. But most Graduate projects, or thesis recommend a student to use SPSS. There are some good guides out there for you to use that can help you navigate this system. Some larger bookstores carry…

Math is so important because it allows us to do everyday things with ease. Rounding, estimating, fractions and percentages are just a few of the ways we use math in our everyday life.

To figure out probability you must figure out the odds of something occurring or not occurring. Probabilities take the form of ratios. For example, a quarter has two sides, so if we were to flip it then the probability that…

The Gordian knot is apart of a legend that is associated with Alexander the Great. Mainly it is used as a metaphor for an intractable problem, that is solved by a bold stroke. Such as Cutting the Gordan Knot, you…

You can get assistance with your math homework and assignments by speaking with your teacher, who can point you in the right direction by recommending someone. There are also some websites that help with studying.You can find more information here:

PI can actually be traced back to the ancient Babylonians. They were the first one’s to calculate the area of a circle, which took three times the square of its radius.

In order to add exponents, the base has to be the same. For example, if you are trying to add 3^5 + 6^2, you cannot add the exponents because the bases are not the same. However, you can add 3^5…

John Napier was a Mathematician and a Alma mater at the University of St Andrews. He was born in Scotland in 1550 and died in April 1, 1617.

You can calculate the area by measuring the length and the width then multipling those two numbers together. Length x Width = area. For more information on finding the area go to

Triangular numbers are defined as the number of dots within a given triangle that s evenly filed. The triangle that the dots filled are generally known as equilateral triangles.

There are lots of geometric shapes. They include circles, parallelograms, trapezoids, triangles, and every other type of polygon imaginable.

Increase basically means to enlarge or make bigger. To increase something also means to expand it. Increasing something can be related to something tangible or more visually like when increasing the distance of a line.

Fractals are made by assigning a color to the solution of a complex equation. You can download fractal generators that let you change the variables inside the equation to create your own images. You can find more information here:

The phrase non-sequitur is Latin for ‘it does not follow.’ It is a verbal or written expression that is beyond belief to the point of being funny or confusing. ‘How many x does it take to x? jokes are non-sequitur.…

If you know the diameter, you multiply that by Pi, which is 3.14, and that will give you the circumference, or if you know the radius, multiply that by two, times Pi.

A tangent line is a line that touches a curve at exactly 1 point. Tangent lines are perpendicular to the radius at that point. If a plane is flying straight and touches the top of a hill, the flight path…

Standard notation is a simple number that does not contain any decimal points or exponents. So, for example, for the number 526, 5.26 x 10^2 would be scientific notation, 500 + 20 + 6 would be expanded notation, and 526…

There is a simple step by step process to tying a windsor knot. Start with crossing the wide end of your necktie over the narrow end. Bring the wide end through the loop of your collar and tie and then…

To simplify expressions you add together like terms. For example, 3x and 2x are like terms, but 3x and 5 are not. Simplifying expressions is very easy to do after some practice. You can find more information here:

Shapes which are the same size and shape as each other are called congruent shapes. The angles and sides of congruent shapes are congruent, or equal to each other as well.

Tessellation is also known as tiling of the plane. This is because it is simply a collection of figures that fill in the plane with no gaps or overlaps. A common example of a tessellation is a puzzle.

Something that is 2 dimensional is something that lives on a piece of paper. For example, if I drew a square on a piece of notebook paper, the square would be two dimensional.

To find the slope, take a portion of the line and figure out how many units the line travels in the y direction, and how many it travels in the x direction, then divide the number of units traveled in…

If you put your mind to it finding the ratio of a number is pretty simple. If you are not good in math it may be some what of a problem. For more information, look here:

Scientific notation was created by a very wise mathematician who lived long ago. He is commonly referred to as Descartes, and officially created scientific notation in 1637.

A prime number has only two divisors– 1 and itself. For instance, 13 can only be divided by 1 or 13 and that makes it a prime number. Other numbers are called composite because they have other divisors. Look at…

A six sided shape in geometry is commonly referred to as a polygon. To be more specific, a six sided shape in geometry is called a hexagon.

Not all townships are the same size, but the standard measurement for land surveying purposes is a unit of 36 sections or 36 square miles. Sometimes a township can just be an area that is not incorporated as a city,…

A truth table is a mathematical table use in logic. It is very useful in math such as boolean algebra, boolean functions and calculus. The table list the truth value of a proposition.

Math was never a strong point of mine. To find the Y intercept, let the value of x in the equation be equal to zero. Your equation will be written as point (0,y) For more information see here:

Mean is just another mathematical term for average. To calculate the mean add all the numbers together and then divide by the amount of numbers that you have. Sounds confusing doesn’t it? If you have the numbers 1, 5, 7,…

Divisibility is used in mathematics to determine if a certain number is going to be able to be divided into another number evenly and without leaving a remainder.

Fractions are important because we need a way to represent things that are a portion of a whole. Whole numbers are, of course, sometimes easier to work with. But, since things sometimes become divided, it’s necessary to have a way…

The basic principle of solving an equation is to isolate the variable, or the thing you’re looking for, on one side of the equation. Whatever you do to one side of the equation, you must do to the other side.…

There are a wide variety of jobs that use math. For starters, cashiers, waitresses and bartenders. Aside from those with no education required there are also engineers, architects, interior designers, police, and educators. In most cases, all jobs use math…

Cagr stands for compound annual growth rate. It’s a year to year growth rate of an investment over a period of time. This rate is taken by getting the nth root of the total percentage growth when n is the…

The invention of math is credited towards many indigenous groups of our predecessors. To be more specific, the Babylonians, the Pythagoras and the Greeks are just a few of the known groups of people known to invent certain types of…

A number model is a visual representation of how a number can be quantified. This is very helpful in teaching children beginning math concepts. For more information, look here:

The definition of perimeter is algebraically expressed as the entire distance around a two dimensional figure, like a rectangle. To find the perimeter, simply add up the lengths of all four sides to get the solution.

Lets say you have a rectangle. Not an odd shape rectangle but a normal one. If you hold one end still and move the other in a diagonal way, the rectangle would be tilted towards one side. That is a…

Being inept is known as either being a clumsy person or showing no skill for something in particular. For example, you could say the mathematician was inept when it came to history.

Effect size is used statistically measuring the strength and differences between two groups. For example, you take a survey of shoes sizes for men and women. You notice on average that men wear a bigger shoe size, well the difference…

An 11 sided shape is called a hendecagon. Hendecagons are polygons. The hendecago is sometime also called the undecagon. Each interior angle of a regular hendecagon is 147.27 degrees.

Asking who invented zero is like asking who invented nothing. No one invented it. It just is (or isn’t). Nothing comes from nothing.

Addition is the act of adding one or more to improve it. You can add numbers, you can add more kitten to your home, you can add a new room to your home as well. Addition is adding more.

A full windsor is also known as double-knot. Starting with the narrower part of the tie on the right side and put the wider part over it. Look here for more information: