If-Then Form
Counter-
Example
Example
Converse
Midpoints
Segments
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
Find the midpoint, M, of segment ST. S (-3, -5) and T(1,2)
What is M( -1, -1.5)
100
The diagram of B between AC.
200
Puppies are small.
What is "If it is a puppy, then it is small"
200
All flags have green parts on them.
What is "the American Flag"
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
The congruency statement if M is a midpoint of segment XY.
What is XM 
200
The length of RQ, given PQ=11 and PR = 18
What is RQ=7
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
The endpoint G, given M is the midpoint of GH.
M(-1,2) and H(-4,8)
What is G(2,-4)
300
The length of ST, given S(-1, 2) and T(-4, 6)
What is ST=5
400
A plane contains at least 3 non-collinear points
What is "If it is a plane, then it contains 3 non-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
If 2 points lie on a plane, then the line containing them lies in the plane.
What is "if the line containing 2 points lies in a plane, then they lie on the plane"
400
The midpoint, M, of segment ST.
S(4,-3)
T(-4, -3/2)
What is M (0, -9/4)
400
The length of PM, M is the midpoint, given Q(3, -2) and P(9, 6)
What is PM = 5