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

If there is snow on the ground, then flowers are not in bloom.

What is "If flowers are not in bloom, then there is snow on 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
If 2 planes intersect, then their intersection is a line.
What is "If their intersection is a line, then the 2 planes intersect."
300
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."
300

If we go to school, then it's not the weekend.

What is "If we don't go to school, then it's the weekend."

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