Word Study—Number Prefixes/Intro to Prefixes
Name____________________
Due___________________
Activity One: Memorize these number prefixes and the numbers they represent:
bi=two
multi=many
quadri=four
cent=hundred
poly=many
semi=half
dec/deca=ten
oct/octo=eight
hemi=half
mon=one
pent/penta=five
tri=three
uni=one
quad=four
Activity Two: Test yourself by completing this matching activity/put the number in the blank:
*2
*100
*10
*1
*many
*8
*5
*4
*half
*3
Answer Prefix
Answer
Prefix
Answer Prefix
bi
dec
tri
multi
oct
uni
qua/quar
hemi
quad/quadri
cent
mon
semi
poly
penta
Activity Three: Write two words for each prefix:
Prefix
bi
multi
qua/quar
cent
poly
dec
oct
hemi
mon
penta
tri
uni
quad/quadri
semi
1st word
2nd word
Activity four: From memory—write the prefix that matches the number word:
Number word
one
two
three
four
five
eight
ten
hundred
much, many
half, partly
Prefix
Prefix 2 (as needed)
Activity Five: Test yourself by completing this matching activity/put the number in the blank:
*2
*100
*10
*1
*many
*8
*5
*4
*half
*3
Answer Prefix
Answer
Prefix
Answer Prefix
oct
tri
quad
hemi
uni
cent
bi
mon
poly
multi
penta
quar
dec
semi
Activity Six: Use these words in a show you know sentence:
bilingual
monochromatic
multipurpose
quadrant