Large Number

Here we will discuss how to read and write large numbers.

Reading a large number:

In order of reading a large number, of a five digit number, we must separate the digits according to the period. 

(i) 72418

Starting from the right, separate the ONES period by marking a comma after three places as the ONES period has three places. 

72   418
 ↓      ↓
 ↓   four hundred eighteen
Seventy two thousand

The numbers formed by the digits in one period are read together, along with the name of the period. 

Seventy two thousand four hundred eighteen

(ii) 36432

Thirty six thousand, four hundred thirty two

(iii) 40219

Forty thousand, two hundred nineteen


(iv) 51708

Fifty one thousand, seven hundred eight


(v) 29161

Twenty nine thousand, one hundred sixty one

Ones, tens, hundreds which belong to the ONES period.

Thousand, ten thousand which belong to the THOUSANDS period.

The number represented in the first example is 12452 and read as:

Twelve thousand, four hundred fifty two

The number represented in the second example is 20275 and read as:

Twenty thousand, two hundred seventy five

Note: ‘And’ is not used in a number line.


Writing large numbers:

To write the numerals for; eighty nine thousand seven hundred four, we write the digits in a place value chart.

Large Number

Then we write the numeral, using a comma to separate the ONES from the THOUSANDS 89,704. 

To read and write a large number like 6 digit, 7 digit numerals.

In the place value chart, the sixth place is that of hundred thousands and the seventh place is of millions.

To read and write six or seven digit numerals we will need to use commas in two places.

One comma to separate the ONES and THOUSANDS period and one comma to separate the THOUSANDS and MILLIONS period.


How to Write a Large Number in Words and figures?

Let us consider the number 449321 the number 449321 is shown in the place value chart as shown below.

How to Write a Large Number?

The number 449321 is written in words as four lakhs, forty nine thousand three hundred twenty-one. The number in figures is written by putting commas as 4,49,321.


Place Value: 

A numeral gets its value according to the place it is located in. Each digit has a face place and a place value. The face value is the digit itself. The face value multiplied by the value of the location gives the place value. 

In the numeral 257; 

The face value of 5 is 5. The place value is 5 tens or 50 

The face value of 2 is 2. The place value is 2 hundreds or 200 

Read the place value of each digit of large numbers:

(i) 46,215

 Place Value  of Each Digit of Large Numbers

The place value of

5 = 5 × 1 = 5 Ones = 5

1 = 1 × 10 = 1 Tens = 10

2 = 2 × 100 = 2 Hundreds = 200

6 = 6 × 1000 = 6 Thousands = 6000

4 = 4 × 10000 = 4 Ten Thousands = 40000


(ii) 724,948

The place value of

8 = 8 × 1 = 8 Ones = 8

4 = 4 × 10 = 4 Tens = 40

9 = 9 × 100 = 9 Hundreds = 900

4 = 4 × 1000 = 4 Thousands = 4000

2 = 2 × 10000 = 2 Ten Thousands = 20000

7 = 7 × 100000 = 7 Hundred Thousands = 700000


Questions and Answers on Read and write a large number in words and figures:

I. Write the numerals for the given numbers:

S.No.

Number Name

Number

(i)

Six lakh, fifteen thousand, eighty-four

__________

(ii)

Twenty thousand, nine

__________

(iii)

Four lakh, thirty-two thousand, seven hundred ninety-two

__________

(iv)

Three lakh, twelve thousand, eighteen

__________

(v)

Nine lakh, eighty-eight thousand, ninety-eight

__________

Answers:

I. (i) 6,15,084

(ii) 20,009

(iii) 4,32,792

(iv) 3,12,018

(v) 9,88,098


II. Write the number name for the given numbers:

S.No.

Number

Number Name

(i)

1,38,640

______________________________

(ii)

7,08,241

______________________________

(iii)

9,00,002

______________________________

(iv)

7,77,777

______________________________


Answers:

II. (i) One lakh, thirty-eight thousand, six hundred forty

(ii) Seven lakh, eight thousand, two hundred forty-one

(iii) Nine lakh, two

(iv) Seven lakh, seventy-seven thousand, seven hundred seventy-seven


III. Write the number names for the numbers in the given statement:

(i) The population of our city is 8,91,000

(ii) The OTP for the purchase is 1,92,064


Answers:

III. (i) Eight lakh, ninety-one thousand

(ii) One lakh, ninety-two thousand, sixty-four


IV. Answer the following:

(i) The largest 6-digit number is ……………………

(ii) The smallest 6-digit number is ……………………

(iii) The difference between the largest and the smallest 6-digit number is ……………………

(iv) The largest 6-digit number formed by using both 0 and 1 equal number of times is ……………………

(v) The smallest 6-digit number formed by using different digits is ……………………


Answers:

IV. (i) 9,99,999

(ii) 1,00,000

(iii) 8,99,999

(iv) 1,11,000

(v) 1,23,456

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Related Concept

Formation of Numbers.

Finding Out the Numbers

Names of the Numbers.

Numbers Showing on Spike Abacus.

1 Digit Number on Spike Abacus.

2 Digits Number on Spike Abacus.

3 Digits Number on Spike Abacus.

4 Digits Number on Spike Abacus.

5 Digits Number on Spike Abacus.

Large Number.

Place Value Chart.

Place Value.

Problems Related to Place Value.

Expanded form of a Number.

Standard Form.

Comparison of Numbers.

Example on Comparison of Numbers.

Successor and Predecessor of a Whole Number.

Arranging Numbers.

Formation of Numbers with the Given Digits.

Formation of Greatest and Smallest Numbers.

Examples on the Formation of Greatest and the Smallest Number.

Rounding off Numbers.






4th Grade Math Activities

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