Prefixes--Numbers

Front 1

ambi-

Back 1

both, both sides

Front 2

bi-

Back 2

two

Front 3

deca-

Back 3

ten

Front 4

hemi-

Back 4

half, also one-sided

Front 5

multi-

Back 5

many, more than one

Front 6

quadric

Back 6

four

Front 7

semi-

Back 7

half(partially)

Front 8

tri-

Back 8

three

Front 9

uni-

Back 9

one