Real Numbers

REAL NUMBERS

Chapter 2

​Today I will learn about:

• the real number system.

• the rational and irrational number

​Learning Objectives

Natural numbers are all positive numbers start from 1 to infinity.

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​Natural Numbers

Whole numbers are any positive number that does not include fraction or decimal, start from 0.

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​Whole Numbers

Integers are numbers with no decimal or fractional part and it includes negative and positive numbers, including 0.

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Integers

Rational numbers are any whole number, fraction or decimal that ends or repeat.

​Example: 9.454545 (repeating decimal)

Rational Numbers

Irrational numbers are any number that cannot be turned into fraction, infinite and non-repeating decimal.

Example: 1.3487253 (non-repeating decimal)

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Irrational Numbers

Real numbers are numbers that include both rational and irrational numbers. In other words, any number that can be found in the real world.

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Real Numbers

Multiple Choice

$$\pi$$

Is which type of number?

• Rational Number

• Irrational Number