Does it Count?
A person reads the Megillah while also correcting it.
Depends on his intention.
She suggested that a gallows be built to hang Mordechai
Zeresh (Haman's wife)
Esther sent him to ask Mordechai why he was wearing sackcloth.
Hatach
It's the date of Purim in Yerushalayim and any other city that was walled in the times of Yehoshua.
15 Adar
The amount of time that Esther had not gone to see Achashveirosh before going to see him again.
30 days
A person reads the Megillah in Hebrew to a group of people who don't understand Hebrew.
It counts
Achashveirosh's first party lasted for this many days.
180
Esther's father
Avichayil
It's what Hamentaschen are called in Israel.
Oznei Haman
It's always read the Shabbat before or on Rosh Chodesh Nissan.
Parshat Hachodesh
A person reads the Megillah out of order.
It doesn't count (also, he's got issues)
The month that Esther first went to see Achashverosh.
Tevet (the 10th month)
Mordechai's grandfather
Shimi
The least a person can do to fulfill the Mitzvah of Mishloach Manot.
Two gifts to one person
Two ways that a French speaker can fulfill his Mitzvah to hear the Megillah.
French or Hebrew
A person reads the Megillah while napping.
Counts
Mordechai overheard them plotting to kill Achashveirosh.
Bigtan and Teresh
Haman's father
Hamedata
The least one can do in order to fulfill the Mitzvah of Matanot La'evyonim
A meal's worth to two people
It's the time that Parshat Parah is always read.
The Shabbat before Parshat Hachodesh
The Megillah is written in Kankantom.
Doesn't count.
Charvonah
Haman's wife
Zeresh
The number of Berachot made before reading the Megillah both at night and in the morning.
3
They attended Achashveirosh's second party.
All the people of Shushan