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Introduction
Ancinet method of counting.
Why numbers are required.
Ancinet method of counting.
-Fact clearly state that counting sense in humans emerged long before the names of the numbers.
-distinct,uniform objects: fingers,stones,knots,and lines.
-for example
Kharoshti numerals - Indian writing found in third century B.C.
Why numbers are required.
-Numbers are required to count concrete objects.
-Numbers are used to bring "order from chaos".It helps in arranging from smaller to bigger or bigger to small
Structure of the chapter
Knowing your Numbers
-Comparing Numbers
-Large numbers and Estimation.
-How to use Brackets.
Comparing Numbers:-
1.Comparision between two Numbers.
rule 1: The number with higher number of digits is greater than the other.
rule 2: Compare from the left most digit till the comparision is unequal.
2.Ascending and Descending
-Large numbers and Estimation:-
-How to use Brackets:-
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