 # 2.03 Count by 100's, 1000's

Lesson

## Ideas

Do you remember how to  count by 10's and 100's  ?

### Examples

#### Example 1

Find the value of:

a

10 more than 69

Worked Solution
Create a strategy

Count up by 10\,on the number line or use the place value table.

Apply the idea

Start at 69 and count up by 10. We landed on number 79.

So, the value of 10 more than 69\,is 79.

Reflect and check

We could also write the numbers in a place value table and add the values in each column to get the same answer.

b

100 more than 69

Worked Solution
Create a strategy

Write the numbers in a place value table and add the values in each column.

Apply the idea

So, the value of 100 more than 69\,is 169.

## Count by 100's and 1000's

Let's see how we can count by 100's and 1000's.

### Examples

#### Example 2

Complete the pattern by adding 1000 each time.

3615,\,⬚,\,⬚,\,6615,\, ⬚

Worked Solution
Create a strategy

Use the place value table to add 1000.

Apply the idea

Use a place value table to add 1000 to 3615:

The amount in the thousands place goes up by one and we get a result of\,4615. The ones and tens value does not change.

We can add 1000 again to complete the pattern by increasing the thousands value by one.

The complete pattern is 3615,\,4615, \,5615,\,6615,\,7615.

Idea summary

### Outcomes

#### MA2-4NA

applies place value to order, read and represent numbers of up to five digits