Even, Steven
Odd, but not unusual
Multiples of five
Multiples of 10
Not times, but in time
100

two

dos

100

The one and only 

uno

100

Five multiplied by uno

cinco

100

three times ten (choo, choo)

treinta

100

? días tiene la semana

siete

200

four 

cuatro

200

three

tres

200

two times five

diez

200

four times ten

cuarenta

200

Estos son los ? meses del año

doce

300

six (just six)

seis

300

"Nieve" is snow; this is nine

nueve

300

three times five

quince

300

five times ten

cincuenta

300

Hours in a day or, in some places, more like Christmas day

veinticuatro

400

It's not a double "o"

ocho

400

Eleven upon a time? Yes, if you mispronounce it

once

400

four times five

veinte

400

six times ten 

sesenta

400

¿Cuántos años tienes, Stratford Hall?

veintiséis

500

# of students in most of the classes in the PYP

veinte

500

Lucky or not? It's cultural

trece

500

five squared

veinticinco

500

The last before ten times ten

noventa

500

febrero (no leaping it, though)

veintiocho

M
e
n
u