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Notes On Integers And Integers Essay

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3 NUMBERS
Real Numbers: Real numbers are all numbers that can be represented in a number line.
Natural Numbers: Natural numbers are all counting numbers such as 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, …
Whole Numbers: Whole numbers are all positive numbers and zero such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, …
Integers: Integers are all positive and negative numbers and zero such as …-12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, …
Rational Numbers: Rational numbers are all integers and fractions.
Irrational Numbers: Irrational numbers are numbers that cannot be written as fractions such as √3 or π
Prime Numbers: Prime numbers are divisible only by 1 and itself such as 2, 3, 5, 7, 11, …
Composite Numbers: Composite numbers are positive integers which are not prime, with factors other than 1 and itself such as 4, 6, 8, 9, 10, 12, …
Cardinal Numbers: Cardinal numbers are natural numbers used in counting such as 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, …
Ordinal Numbers: Ordinal numbers describes the numerical position of an object or number such as first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, …
Even Numbers: Even numbers are numbers that can be evenly divided by 2 such as 2, 4, 6, 8, 10, 12, …
PRACTICE 3A: Below, practice writing the definition of whole numbers to the best of your ability (continue practicing until mastered).
4 NUMBER LINE
Number Line: A line which consists of

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