A cycle with one wheel
a unicycle
A cycle with two wheels
A bicycle
A cycle with three wheels
tricycle
To make "4 times as great"
quadruple
What is "100 years", for example the 1900-2000?
a century
A mythical horse with one horn
unicorn
A song sung by two people
a duet
A shape with three corners and three sides
triangle
Four babies that are born together.
What is quadruplets?
What is "a bug with 100 legs"?
a centipede
Speaking in a single tone of voice
monotone
"In the manner of" every two weeks
biweekly
A dinosaur with three horns
a triceratops
The Pentagon
Someone who is "100 years old or more"
centenarian
A board game where one person tries to control all the property
Monopoly
a biplane
A group of three babies born together
triplets
An athletic competition where contestants compete in 5 events: a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter 30-jump equestrian steeplechase, épée fencing, and target shooting at 25 meters
A Pentathlon
What number is "1 followed by 303 zeros"?
centillion
Name 2 prefixes that mean "one".
"uni-" and "mono-"
Name 2 prefixes that mean "two"
"duo-" and "bi-"
Name a prefix that means "three".
"tri-"
Name 2 prefixes that mean "four" and "five"
"quad-" and "pent-"
What prefix means "one hundred"?
cent-