Berachot 5.2 - Where do we insert the additional prayers in the Amidah

There are a few "additional prayers" that we insert into the Amidah. "Atah Honen" on Saturday nights or the nights after holidays; Ya'aleh ve'Yabo on Rosh Hodesh; "Al Hanisim" on Hanukkah and Purim; various prayers during the days between Rosh Hashanah and Yom Kippur; and praising God for rain is included in these 'additional prayers". Where are they inserted? Check out the Siddur with this Mishna!