Place value tells us what value each number has because of

its place or position in any number.

Each digit in a number has a place value.

In the number 4856, the digit 4 is in the thousands place value.

Meaning the place value is thousands.

4856

Place value is thousands

Digits

All numbers are made from digits.

Each digit in its right place gives

a number its value

What are the digits?

3 4 1 8 9 0 5 6 7 2

So lets try that out.1 4 6

How do you know the value of this number?

1 4 6

Each digit has a place.

Each place has a value.

H T U

Saying it out loud

one hundred and forty six gives a clue.

100 40 6

Another way of showing

Place Value is to use an abacus

10010

10

10

10

1

1

1

1

1

1

H T U

146

One hundred and forty six

Important Point: “ Make sure that the students understand that a “wall” dividing two houses in a number is indicated by a ‘comma’. The ‘comma’ tells that the number to the ‘left’ of the ‘comma’ is in different house or a period.”

THOUSANDS

MILLIONS

UNITSones, tens, hundreds

A place value chart helps us to read and understand large

numbers.

I have 1 hundred and 1 ten. What number am I?

I have 1 hundred and 1 ten. What number am I?

1 hundred 1 ten 0 ones

I have 1 hundred and 1 ten. What number am I?

1 1 0

When writing numbers in words you write exactly what you say:

409 320 199 Four hundred nine million, three

hundred twenty thousand, one hundred ninety-nine

1. Two hundred sixty four thousand, five hundred three

2. Ninety million, sixty-two thousand four3. Seven hundred five million, twenty-two4. Five hundred sixty-three thousand, four

hundred thirteen5. Two billion, three hundred million, seven

thousand, sixteen

When numbers are presented in numerical digits, it is called the standard form of a number.

4856

Standard Form

Numbers can also be represented in expanded form.

This means writing the value of a number using place value of each digit.

The number 4856 in expanded form is: 4000 + 800 + 50 + 6

4,367 4,000 + 300 + 60 + 7

14,371,024fourteen million, three hundred andseventy-one thousand and twenty-four

1,43,71,024One crore, forty three lac, seventy-one thousand and twenty-four

Place Value!!