With your friends, collect many empty matchboxes of the same size. Measure the sides and write here:
$1.$ "My matchbox is $.......... cm$ wide.
$2.$ It is $ ........ cm$ long.
$3.$ It is $......... cm$ high.
Mollie used her measuring bottle to find the volume of five rupee coins. She found that $9$ five rupee coins push up $10\ ml$ of water. So you can also use $9$ five rupee coins to make your al measuring bottle! Go ahead!
In Class $IV$ you made a measuring bottle for $250\ ml.$
Can you think of ways for making a measuring bottle which can measure $10\ ml, 20\ ml, 30\ ml, ..., 60\ ml$ ? Discuss with your friend.