Page 9 - Math Skill - 4

1 1 Numbersers
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Learning Outcomes
� Large Numbers � Comparing Numbers � Estimation
� Reading the Numbers � Ordering of Numbers � Roman Numerals
� Place Value and Face Value � Successor and Predecessor
� Expanded form and Standard form � Forming Numbers

Boot-Up

A bookshop sold 7214 books in the months of
August to September, 5235 books in the months
of October to December.
What was the total sale of books from the months

of August to December?
7214 + 5235 = ________________________

In our daily lives we come across different
situations where we need the large numbers. But
it is very easy to understand the large numbers

if you have understood the number system
properly like 4-digit numbers. Let’s count the
5-digit numbers here.

� Write the number 12449 in words
_______________________________________________________________________________
� Write the expanded format 12449.
_______________________________________________________________________________

Large Numbers

In earlier classes, we have learnt about numbers from 1 to 9999. But in our daily lives, we come
across different situations where we need the large numbers.
Let’s see some examples. Fact-o-meter
(i) The cost of an LED TV is ` 24000. � Smallest four digit number is 1000

Here, 24000 is a 5-digit number. � Largest four digit number is 9999

� Smallest five digit number is 10000