If-Then Form
Counter-
Example
Converse
Midpoints
Segments
100

All puppies are small.

What is "If it is a puppy, then it is small"

100
All flags have green parts on them.
What is "the American Flag"
100
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."
100

Write a congruency statement if M is the midpoint of segment XY.

What is XM =~ YM

100

The length of RQ, given Q is between P and R and PQ=11 and PR = 18.

What is RQ=7

200

Every tenth grader is in Geometry.

What is "If you are a tenth grader, then you are in Geometry."

200

If x2 = 9, then x = 3.

x = -3

200
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"
200

Find the midpoint, M, of segment ST, given 

S (-3, -5) and T(1,2)

What is M( -1, -1.5)

200

If S is between T and U, and ST = x + 5, SU = 3x - 2, and TU = 8x - 9, find ST.

ST = 8 (x = 3)

300
A line contains at least 2 points.
What is "If it is a line then it contains at least 2 points."
300

If x2 - 6x = 0, then x = 6.

x = 0

300

All dogs are poodles.

If an animal is a poodle, then it is a dog.

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)

M (0, -9/4)

400

The length of PM, given M is the midpoint segment PQ, and Q(3, -2) and P(9, 6)


What is PM = 5?