week 1 part 1
week 1 part 2
week 2
week 3
week 4
69
al

having the character of 

69

bi

two

69

hypo

under

69

kilo

thousand

69
post

after, behind

169

cent

hundred

169

clus

close

169

ity

quality or state of

169

lab

work

169

tri

three

269

deca, deka

ten

269

deci

tenth

269

ist

one who deals with or one who does

269

meter

measure

269

re

again

369

grad, gress

to step, to go

369

centi

hundreth

369

ion

quality, state of, result of

369

micro

very small

369

sci

know

469

er, or

one who

469

bio

life

469

hyper 

over, excessive, beyond

469

milli

one thousandth

469

pre

before, or in front of