Question

How to explain the value of metre centimetre to the students of grade 4

Answer 1

1m =100cm
show them a measuring tape and show the the length of 1m den make them understand that the small unit in the tape iis the mm also say them dat 10mm makes 1cm and 100 cm or 1000mm makes 1m.
first let them know mm is smaller than cm and cm is smaller than m.....