A dozen.

the (usual) number of full moons in a calendar year

One more than a baker's dozen.

the Ides of the month

uhhhhhh maybe 15? which is an odd number! #helpful

heh.

sixteen

Ooh, sorry, but the Ides are 15, so it should have been 16 and then 17.

Looks like I've gotta zero it.

oopsie, my brain was mush?

One!

Two

is a nice even number and a pair

Three

Four

Five

is a middle number between sets of 10

Six

half a dozen

Seven

Lucky Number

Crazy Eight

6, except upside-down.