Tri - And Quad- : Prefixes And Suffixes Section

1. What does the prefix tri- mean?

One

Three

Four

Two

Tri- means three. Think of a tricycle. A tricycle has three wheels.

Explanation

Tri- means three. Think of a tricycle. A tricycle has three wheels.

2. What is a three-sided figure generally seen in math?

Square

Rectangle

Triangle

Quadrangle

A square has four sides, a rectangle has four sides where opposing sides are even, a quadrangle has four angles (quad means four). The correct answer is a triangle. Generally thought to be a three sided figure, it could be accurate to say a three-angled figure.

Explanation

A square has four sides, a rectangle has four sides where opposing sides are even, a quadrangle has four angles (quad means four). The correct answer is a triangle. Generally thought to be a three sided figure, it could be accurate to say a three-angled figure.

3. A dog is a quadraped because it has four feet (paws) on the ground when it walks normally?

True

False

Quadrapeds (quad=four, ped=feet) makes the question a true statement. Dogs, horses, and cows are all quadrapeds.

Explanation

Quadrapeds (quad=four, ped=feet) makes the question a true statement. Dogs, horses, and cows are all quadrapeds.

4. What is a tripod?

A race that combines three activities.

A dinosaur with three horns.

An animal with four feet such as a horse or a cow.

A three-legged stool or stand that holds things like cameras.

A race that combines three activities is a triatholon.
A dinosaur with three horns is a triceratops.
An animal with four feet such as a horse or cow is a quadraped (quad=four, ped=foot).
The correct answer is a three-legged stool or stand. (tri=three, pod=feet (legged))

Explanation

A race that combines three activities is a triatholon.
A dinosaur with three horns is a triceratops.
An animal with four feet such as a horse or cow is a quadraped (quad=four, ped=foot).
The correct answer is a three-legged stool or stand. (tri=three, pod=feet (legged))

5. To be quadralingual means to be able to speak three languages.

True

False

quad=four, lingual=language speaking, thus quadralingual is the ability to speak four languages, not three. Three languages would be trilingual.

Explanation

quad=four, lingual=language speaking, thus quadralingual is the ability to speak four languages, not three. Three languages would be trilingual.

6. What does the word trilogy mean?

To cut into three parts.

Three related movies, plays, or written literature.

Having or involving three sides, countries or parties.

A group of three people or things.

To cut into three parts is to trisect. (tri=three, sect=to cut)
Having or involving three sides, countries or parties is having a "trilateral" arraingement or agreement.
A group of three people or things is a trio.
The correct answer is three related movies, plays, or written literatures.

Explanation

To cut into three parts is to trisect. (tri=three, sect=to cut)
Having or involving three sides, countries or parties is having a "trilateral" arraingement or agreement.
A group of three people or things is a trio.
The correct answer is three related movies, plays, or written literatures.

7. The prefix quad- means to multiply somthing times four.

True

False

To multiply times four could make something a very large number. Take a horse which is a quadraped. If quad meant to multiply times four, then a horse would have by definition 16 feet. 4x4. Quad means four and if you look at the quadraped horse, it has four feet. Quad=four, ped=feet.

Explanation

To multiply times four could make something a very large number. Take a horse which is a quadraped. If quad meant to multiply times four, then a horse would have by definition 16 feet. 4x4. Quad means four and if you look at the quadraped horse, it has four feet. Quad=four, ped=feet.