Classification of Numbers
There are different types of numbers based on their properties and characteristics. They are also represented by their unique symbol.
Imaginary numbers
- Cannot represent on number line
Real numbers
- All numbers on number line
Irrational numbers
- Cannot be written as fraction
Rational numbers
- Written as fraction
- p & q are integers
- q ≠ 0
Non-integer
- Not a whole number
- Not a negative whole number
- Not a zero
Integers
- All positive and negative whole numbers
- All integers are rational numbers
Negative
- Value is less than 0
- Represented with “-” OR “-ve” before it
Whole
- Not a fraction
Zero
Natural
- Positive whole number
Example
√-2 , ί = √-1
Example
1 , 2 , 1/2
Example
0.134 , √q , π = 3.141
Example
2/5 , 7/Ꝋ , -8/1 , 0.222 , 22/7
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Example