Geometry Proof Jeopardy

Properties

100

What is the name of the property where a = a ?

Reflexive Property

200

Name the property where you flip an equation around:  12 = x to x = 12?

Symmetrical Property

300

Name the property that you would use to start solving this equation:    3x - 9 =12

Addition Property

400

Name the property you would have to use to finish solving this equation:    15x = -45

Division Property

500

Name this property:

a = b

b = c  therefore, 

a = c

Transitive Property

Definitions

100

Name the definition you would use if a point was exactly in the middle of a segment and cut it in half.

Definition of a Midpoint

200

Name the definition you would use to say that 2 angles on opposite sides of an 'X' are congruent?

Definition of Vertical Angles

300

Name the definition you would use to say that 2 adjacent angles that add up to a straight line = 180 degrees?

Definition of a Linear Pair

400

Name the definition you would use if an angle is cut into 2 equal parts by a ray?

Definition of an angle bisector.

500

Name the definition you would use to say that an angle formed by perpendicular lines that is cut into parts adds up to 90 degrees.

Definition of Complementary Angles.

Setup

100

How many columns did we set up for our proofs?

2

200

What were the 2 column labels for our proofs?

Statements and Reasons

300

What labeled each new step that we did in our proofs on both sides?

Numbers

400

What shaded shape signifies that you are done with your proof?

Diamond

500

What is the limit to the number of steps for any given proof?

There is none!!

Prove it

100

What type of proof didn't deal with any sort of diagram or picture?

Algebraic

200

Name the postulate where you add smaller angles together to get a bigger angle.

Angle Addition Postulate

300

Name the postulate where you add smaller segments together to get the whole thing.

Segment Addition Postulate

400

When do you know if you don't need another step in your proof?

When you get what you are trying to prove in the statements column.

500

How many steps would be necessary to solve this algebraic proof?  Name the REASONS in order.

5(x + 4) - 10 = 13

Five, don't forget about the GIVEN step!

Given, Distribution, Simplify, Subtraction, Division

Random

100

Name the world's largest freshwater lake in the world?

Lake Superior

200

What kind of weapon is a falchion?

A sword.

300

What is the only American state to begin with the letter P?

Pennsylvania

400

Who played Neo in the Matrix movies?

Keanu Reeves

500

What sport did Brooks Koepka just become player of the year in?

Golf