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.

↓ ↓

↓ 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.

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.

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

*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

**Related Concept **

● 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.

● Problems Related to Place Value.

● Example on Comparison of Numbers.

● Successor and Predecessor of a Whole Number.

● Formation of Numbers with the Given Digits.

● Formation of Greatest and Smallest Numbers.

● Examples on the Formation of Greatest and the Smallest Number.

**4th Grade Math Activities**

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