Number Prefixes/Roots

What does the prefix bi- mean? 

• 1
• 2

An octagon has how many sides? 

• 3
• 4
• 6
• 8

How many babies would someone have if they had quintuplets? 

• 1
• 2
• 4
• 5

A decade is how many years? 

• 5
• 10
• 100
• 20

A centimeter is 1/___ of a meter. 

• 100
• 10
• 1000
• 1

A tripod has how many legs? 

• 2
• 3
• 5
• 4

Which word means three books or movies?

• trilogy
• triathlete
• tripod
• triangle

Which word means to sing as one?

• unison
• unicorn
• unilateral
• uniform

What word means one outfit?

• uniform 
• unison
• unilateral 
• unicorn

Which word means an animal that walks on four feet?

• biped
• triped
• monoped
• quadruped