6th Maths : Term 1 Unit 1 : Numbers : Summary

**Summary**

● Use of commas helps us in reading and writing large
numbers.

● Use of commas differs in the Indian and the International
Systems.

● Comparing any two numbers, the one with more digits
is larger.

● Comparing any two numbers, if the digits are the
same, the number that has a greater left most digit is larger.

● Using BIDMAS, we can
avoid the common arithmetic mistakes.

● Large numbers are needed for various situations
in our daily life.

● The situations where we do not need the exact quantity
give rise to estimation or approximation.

● Estimation is approximating a quantity to a reasonable
accuracy.

● Rounding of a number involves in getting a quick,
desired and rough estimate of it.

● If zero is included in the collection of Natural
numbers (N), we get the collection of Whole numbers (W), W = {0, 1, 2, …}.

● ‘0’ is the smallest whole number.

● ‘0’ and ‘1’ are the additive and multiplicative identities of whole numbers
respectively.

● Whole numbers can be added or multiplied in any
order and hence Commutative.

● Multiplication of Whole numbers is both Commutative
and Associative.

● Multiplication is Distributive over addition for
Whole numbers.

● Division by ‘0’ is not defined.

Tags : Numbers | Term 1 Chapter 1 | 6th Maths , 6th Maths : Term 1 Unit 1 : Numbers

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6th Maths : Term 1 Unit 1 : Numbers : Summary | Numbers | Term 1 Chapter 1 | 6th Maths

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