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Numbers

Composite Number

Composite number is a whole number that can be made by multiplying other whole numbers. Example: 10 can be made…

Positive and Negative Numbers

Numbers Can be Positive or Negative -Negative sign+Positive sign No Sign Means Positive If a number has no sign it…

Irrational Numbers

Irrational means not Rational An Irrational Number is a real number that cannot be written as a simple fraction.  ExampleRational…

Rational Numbers: Definition & Examples

What are rational numbers Numbers are core of mathematics. Almost all of mathematics parts consist of numbers. There are some…

Fibonacci Sequence

About Fibonacci (The Man) His real name was Leonardo Pisano Bogollo. He lived in Italy between 1170 and 1250. "Fibonacci" was…

Even and Odd Numbers

Even Numbers Any integer that can be divided exactly by 2 is an even number. The last digit is 0,…

Cardinal and Ordinal Numbers Chart

Definitions A Cardinal Number is a number that says how many of something there are, such as 1, 2, 3,…

Absolute Value

Definition of Absolute Value Absolute value or modulus |x| of a real number x is the non-negative value of x…

Multiplication Tables

15 Times Table x12345678910111213141511234567891011121314152246810121416182022242628303369121518212427303336394245448121620242832364044485256605510152025303540455055606570756612182430364248546066727884907714212835424956637077849198105881624324048566472808896104112120991827364554637281909910811712613510102030405060708090100110120130140150111122334455667788991101211321431541651212243648607284961081201321441561681801313263952657891104117130143156169182195141428425670849811212614015416818219621015153045607590105120135150165180195210225 Order Does Not Matter When we multiply two numbers, whichever is first does not matter, the…