Lesson 21

The prefix that means two. 

• bi
• centi
• per
• uni

The prefix that means hundred. 

• bi
• centi
• per
• uni

The prefix that means through, very. 

• bi
• centi
• per
• uni

The prefix that means one

• bi
• centi
• per
• uni

Root word that means year. 

• annu
• later
• annu and enni
• none of the choices

Root word that means side. 

• annu
• enni
• later
• all of the choices

The suffix that means in the manner of; having the quality of. 

• -al
• -ly

Affecting one side of something. 

• unilateral
• bilateral
• laterally
• annually

Of, or involving two sides; reciprocal. 

• unilateral
• bilateral
• lateral
• annual

Of, or relating to the side. 

• unilateral
• lateral
• bilateral
• annual