Don't get confused between international and Indian way of putting commas.
Place value chart might help.
The number could be 1 less than 5500.
1 km = 1000 m and 1 m = 1000 mm
Look at the tens digit, if it is 5 or more then round up
\\(2\\times 10000 \\times 2\\times 10\\)
Observe the Place values.
10000 + 1
The word Indo means India.
value of hundreds digit depends on the tens digit
Worksheets for ICSE class 6 maths
Support Services for ICSE class 6 maths
Regular Classes for ICSE class 6 maths