Question

What is the difference in the area of biggest and smallest stamp?

Answer 1

Stamp A covers $6$ squares, Stamp C cover $1$square , Stamp B covers $2$ squares and Stamp D covers$4$ squares.

So, the area of biggest stamp,stamp A =$(6\times 1)=6squarecm$

And ,the area of smallest stamp ,stamp C = $(1\times 1)=1squarecm$

Difference in the area of the biggest and smallest stamp

$=(6-1)=5squarecm$