Find out which letters in the English alphabet look the same after half a turn.

 Which of these English words reads the same on half a turn?

$\mathrm{ZOOM}, \mathrm{MOW}, \mathrm{SWIMS}, \mathrm{SIS}, \mathrm{NOON}$ 

Think of all $2$ digit numbers which look the same on half a turn and write them.

Think of all $3$ digit numbers which look the same on half a turn.

Think of all $4$ digit numbers which look the same on half a turn.

Which among the following pictures will look the same on half a turn$?$

Will this fan look the same after $\frac{1}{4}$ turn$?$ Draw it.

Find out the following shape would look the same after $\frac{1}{4}$ turn. Put ($\surd$) on the shape that will look the same after half turn. Put a $(\times )$ on the shape that will not look the same after half a turn.