Unit 27 - Prefixes (bi, tri, mid, semi)

bifocals

___ are glasses for people who need to be able to see both near and far.

midnight

___ is 12:00 AM.

midday

___ is another word for noon or 12:00 PM.

triangle

A ___ has three angles and three sides.

semicircle

A __________ is half of a circle.

midair

Alex jumped ___ to catch the frisbee.

bicycle

I ride my ___ to the park and to school.

tricycle

I rode a ___ before I learned to ride a bike.

midafternoon

Let's meet in the ___, around 3:30.

midterm

Many high school students must take tests for each class at the ___, or middle of the year.

midland

Many of these states are the ___ of the country.

semiannual

Many stores have a ___ sale, or one that happens twice a year.

semisweet

Most chocolate chip cookies are made with ___ chocolate.

bimonthly

Mr. Marks has ___ meetings, or meetings every two months, with his boss.

bisect

Please ___ the pear so we can each have some.

trisect

Please ___ the quesadilla so all three of us can have a piece.

semifinal

The ___ games of a tournament come before the final game.

semiformal

The students needed to wear ___ clothes to the dance.

biweekly

The teachers have ___ meetings, or meetings every two weeks.

semicolon

You can use a ___ between these two sentences.