Q1
How many digits are used in our number system?
ATen (0-9)
BFive
CTwenty
DOne
ICSEClass 6 (ICSE)MathematicsCh 1 · Topic 2
Practice and Revision - Number System (Numeration)
Let us practise and revise what we learned about number system (numeration). The number system helps us represent and understand numbers, in
Core concept
Numbers are represented using ten digits (0-9), and their position in a number determines their value, called place value.
How it works
We use the Hindu-Arabic numeral system, where each place (ones, tens, hundreds) represents a power of 10.
Why it matters
Understanding numeration also involves reading and writing numbers correctly in words and figures.
Key detail
A strong grasp of the number system forms the foundation for all other mathematical operations and concepts.
Exam highlight
Key diagram
Keywords worth remembering
Trending
number system (numeration)icse class 6
Most searched
ICSE class 6 number system (numeration)
Quick revision
Study resources
Notes & downloads
Quick notes
• Numbers use ten digits (0-9).
• Position determines a digit's value (place value).
• We use the Hindu-Arabic numeral system.
• Places represent powers of 10: ones, tens, hundreds.
• Numeration involves reading and writing numbers.
• This applies to both words and figures.
• Number system knowledge is foundational.
• It supports all other maths operations.