1, 2, 3
Monotone
1 sound
pentagon
shape with 5 sides
centimeter
1 of 100 parts of a meter
multicolored
to have many colors
triathlon
a sport with 3 different events
Tricycle
a bike with 3 wheels
quintet
5 singers
decagon
a shape with 10 sides
hemisphere (this one is not a number)
half of a sphere
semifinal
2 teams playing for the final
Unicorn
a mythical animal with 1 horn
quarter
4 parts
Decade
10 years
semicircle (this one is not a number)
half of a circle
octet
a group with 8 musicians
triangle
a shape with 3 sides
octopus
animal with 8 tenticles
kilometer
1 of 1,000 parts of a meter
multilingual
to speak many languages
centipede
an insect with 100 feet
biathlete
an athlete that competes in a sport with 2 events
octagon
a shape with 8 sides
kilogram
1 of 1,000 parts of a gram
polygon (this one is not a number)
a shape with many sides
monolingual
to speak 1 language