If-Then Form
Counter-
Example
Converse
Contrapositive
Inverse
100
Tenth graders are in Geometry.
What is "If you are a tenth grader, then you are in Geometry."
100

If x squared = 9, then x = 3.

What is "If x squared = 9, then x = 3"

100
If the child is 5 years old, then they are in kindergarden.
What is "If a child is in kindergarden, then they are 5 years old"
100
If you like tennis, then you play on the tennis team.
What is "If you do not play on the tennis team, then you do not like tennis"
100
If x is odd, then 3x is odd.
What is "If x is not odd, then 3x is not odd"
200
Puppies are small.
What is "If it is a puppy, then it is small"
200

Bonus question! How many students are at CHCH? (Plus or minus 5)

174 (If you guessed 169 - 179 you get points)

200
If there is snow on the ground, flowers are not in bloom.
What is "If flowers are not in bloom, then there is snowon the ground."
200
If x is odd, then 2x is even.
What is "If 2x is not even, then x is not odd."
200
If you like hockey, then you go to the hockey game.
What is "If you do not like hockey, then you do not go to the game."
300
A line contains at least 2 points.
What is "If it is a line then it contains at least 2 points."
300
Three points lie on a line.
What is Points A, B, C that are not on the same line (must have a picture)
300
If 2 planes intersect, then their intersection is a line.
What is "If their intersection is a line, then the 2 planes intersect."
300

Bonus question! Which school came first, Chapel Hill or Chauncy Hall?

Chauncy Hall (1828) came before Chapel Hill (1860). They merged in 1971. 

300

If you visited Boston, then you've been to Massachusetts.

What is "If you have not visited Boston, then you have not been to  Massachusetts."

400
A plane contains at least 3 collinear points
What is "If it is a plane, then it contains 3 collinear points."
400
If points are coplanar, then they are collinear.
What is "Points A,B, and C that are on the same plane but not the same line" (must have a picture)
400

Bonus question! How many faculty/staff are there at CHCH? (Plus or minus 5)

72 (If you guessed 67 - 77 you get points)

400
If a point lies on 2 lines, then it is at the intersection.
What is "If a point is not at the intersection, then it does not lie on 2 lines."
400
If measure of angle p is 90 degrees, then it is a right angle.
What is "If the measure of angle p is not 90 degrees, then it is not a right angle."
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