Unit 13 Vocabulary

three

• tri

• pent/quint

• du

• quar/quad

four

• uni

• pent/quint

• tri

• quar/quad

five

• pent/quint

• multi

• quar/quad

• tri

one of five babies that are born at the same time to the same mother

• pentagon

• trident

• quadrangle

• quintuplet

a long-distance race that has three parts: swimming, bicycling, and running

• trimester

• triathlon

• quartet

• marathon

a flat shape that has four sides and four angles

• pentagon

• trident

• quadrangle

• quart

a series of three novels, movies, etc., that are closely related and involve the same characters or themes

• trilogy

• trimester

• trident

• quart

a shape that is like a star with five points formed by five straight lines

• quadrangle

• pentagram

• pentagon

• trident

a group of four singers or musicians who perform together

• quart

• trilogy

• quintuplet

• quartet

a period of three months; one of three periods into which a school year is sometimes divided

• pentagon

• quart

• trimester

• trilogy