Topics
1. Number and place value
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Australia
Year 3

1.04 Read and write 4 digit numbers

Lesson
Practice
Lesson

Are you ready?

Can you work out the value of each of the digits in numbers like 843? If you need to check, go over  this  lesson again.

Examples

Example 1

What is the value of the underlined digit?

The image shows the number 386 where 8 is underlined.
Worked Solution
Create a strategy

Use a place value table.

Apply the idea
HundredsTensOnes
386

8 is in the tens column, so it means 8 tens. To write this is a number add one 0.

The value is 80.

Idea summary

Place value tables can help find the values of each digit in a number.

Read and write four-digit numbers

Let's look at how to read and write four-digit numbers.

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Examples

Example 2

How do we write the number 6107 in words?

A
Six thousand and seventy one
B
Six thousand, one hundred and seven
Worked Solution
Create a strategy

Use a place value table and read the number out loud.

Apply the idea
ThousandsHundredsTensOnes
6107

In words, it is "six thousand, one hundred and seven".

The answer is option B.

Example 3

Write the following using numerals.

Three thousand and four

Worked Solution
Create a strategy

Use a place value table with 0 as a placeholder.

Apply the idea
ThousandsHundredsTensOnes
3004

In numerals, it is 3004.

Idea summary

When you are writing a number using digits, use 0 as a place holder if a place value column is empty.

Outcomes

ACMNA052

Recognise, model, represent and order numbers to at least 10 000

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