Place Value to Millions
Place value tells us the value of each digit in a number. In Year 4 we work with numbers up to and beyond 100,000.
What You Need to Know
Key Concept Diagram
Each place is ten times the value of the place to its right
The places are: millions, hundred-thousands, ten-thousands, thousands, hundreds, tens, ones
Writing numbers in expanded form shows the value of each digit
Comparing large numbers: look at the highest place value first
Key Vocabulary
Place value
The value of a digit based on its position in a number
Digit
One of the symbols 0–9 used to write numbers
Expanded form
Writing a number showing the value of each digit, e.g. 3000+200+50+4
Standard form
The usual way to write a number using digits, e.g. 3254
Knowledge Check
Select the correct answer for each question. Click "Check Answer" to see if you are right.
Question 1
What is the value of the 7 in 47,523?
Question 2
Write 30,000 + 4,000 + 500 + 6 in standard form.
Question 3
Which number is greatest?
Key Concepts Summary
- ●Each place is ten times the value of the place to its right
- ●The places are: millions, hundred-thousands, ten-thousands, thousands, hundreds, tens, ones
- ●Writing numbers in expanded form shows the value of each digit
- ●Comparing large numbers: look at the highest place value first