NUMBER VALUES

NUMBER VALUESThe value of numbers. Number forms. How to read and write them.

0 - 9Sets of 100

0 - 9Sets of ten

0 - 9Single units

OnesTensHundreds

Numbers Have Place Value

Each place can only hold the value of a single digit: 0 - 9

Numbers with more than one digit show sets.

Place Value Names

Hundreds(1 flat = 10 rods)

Tens(1 rod = 10 units)

Ones(units)

There are Many Ways to Show Numbers.

There are Many Ways to Show Numbers.

We will look at four ways :Number ModelExpanded FormStandard FormNumber Word

2. Expanded: 100 + 40 + 3

3. Standard: 1 4 3

4. Word: One hundred forty-three

Four Ways to Show Numbers

hundreds tens ones

1. Number model

Tens Ones

4 7

Number Model

Which one shows a number model?

20+3

six 97

hundreds tens ones

Expanded Form

Tens Ones

4 7

Since 4 sets of 10 is 40and 7 units is 7

the expanded form is 40 + 7

What form is this?100 + 60 + 1

Number Word

Expanded Form

Standard Form

Tens Ones

4 7

Standard Form From a Model

4 7

Which is standard form?

Fifty - Four

54

50 + 4

Tens Ones

Number Word from a Model

Forty - seven

Which is the number word for 73?

thirty - seven

seventy - three

Tens Ones

43 23 30 + 4

Which is The Model’s Standard Form?

Tens Ones

Which is the model’s expanded form?

30 + 7 20 + 7 32

Tens Ones

5 2

Show a number four ways.

Expanded form… 30 + 2Standard form… 32 Number word… thirty-two

Number model

Standard Form… 1 4 3

hundreds tens ones

Model Form…

Expanded form… 100 + 40 + 3

Number Word… One Hundred forty-three

Let’s Review…Let’s Review…

Numbers 4 Ways

1 hundred 2 tens 4 ones

Hundreds Tens Ones

100 + 20 + 4 124 One hundred twenty-four