Page 36 - Maths Skill - 6

34 Maths

MIND MAP

The Other Side of Zero

Imaginary Number
Real Number Number System or

Complex Number

Rational Number Irrational Number

Integer Number Fractional Number
I = {...., –3, –2, –1, 0, 1, 2, 3....} These numbers come with the decimal

POSITIVE INTEGER ZERO NUMBER NEGATIVE INTEGER
1, 2, 3, 4 ......... {0} –1, –2, –3, .........

NATURAL NUMBER WHOLE NUMBER
N = {1, 2, 3, 4 ......} W = {0, 1, 2, 3, 4 ......}

PROPER FRACTION IMPROPER FRACTION
4 3
Rememberable Points i.e. , , .... etc. i.e. 11 9
, , .... etc.
� All natural numbers are positive integers. 7 9 7 4
� Smallest natural number is 1.
� Smallest whole number is 0.
+ (+) = +, + (–) = –
� – (+) = –, – (–) = +

� Additive inverse of a is –a .