Learning Objectives
* To understand large numbers and the terms used to represent them.
* To compare large numbers and order them.
* To employ estimation for large numbers.
* To solve word problems involving four fundamental operations.
* To understand and use the properties of Whole Numbers.

**UNIT 1**

**NUMBERS**

** **

**Learning
Objectives**

* To understand large
numbers and the terms used to represent them.

* To compare large numbers
and order them.

* To employ estimation
for large numbers.

* To solve word problems
involving four fundamental operations.

* To understand and use the properties of Whole
Numbers.

**Introduction**

Read the following conversation between two classmates.

**Mani:** (Reading Newspaper Headlines) “Ten thousand people
visited the trade fair yesterday”.

**Mallika****:** Wow!
That's a lot of people.

**Mani:** Thank goodness, I went to the trade fair exactly
yesterday!

**Mallika****:** Why… what
is so important about it?

**Mani:** Don’t you see? If I had not gone, they would have
written “Nine thousand nine hundred and ninety-nine people only visited the trade
fair yesterday”. It would have been difficult to read and understand!

What do you think about this conversation? Was Mani
right?

No! it would still be “Ten thousand people visited!”. Newspapers give
(and readers want) a sense of the size, NOT exact values when numbers are large.

You have probably heard names like “lakhs” and “crores”
used by elders.

We often come across situations that involve large
numbers in real life, like the number of people living in a district, the budget
of the Government, the distance of stars or the number of bicycles sold in a year
and so on. In all these situations, we look for names that convey the “size” of
these numbers.

**MATHEMATICS ALIVE − LARGE NUMBERS
IN REAL LIFE**

Let us understand the large numbers in detail, and
the way they are connected to the numbers learnt earlier.

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

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

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