If-Then Form
Converse
Contrapsitive
Inverse
Negation
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"
100

If you have a sister, then you are not an only child.

What is "You have a sister and you are an only child."

200
Puppies are small.
What is "If it is a puppy, then it is small"
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."
200

If you like brownies, then you like cookies.

What is "You like brownies and you do not like cookies."
300

All dogs go to heaven.

What is "If it is a dog, then it goes to heaven."

300

If the ground is wet, then it rained last night.

What is "If it rained last night, then the ground is wet."

300

If you like sports, then you like baseball.

What is "If you do not like baseball, then you do not like sports."

300
If you visited Springfield, then you've been to Illinois.
What is "If you have not visited Springfield, then you have not been to Illinois."
300

If a triangle is equilateral, then all the sides are equal.

What is "A triangle is equilateral and all the sides are not equal."

400

The grass is green.

What is "If it grass, then it is green."

400

If you do your homework, then you will get a good grade.

What is "If you get a good grade, then you do your homework."

400
If you like purple, then you'll love Barney.
What is "If you do not love Barney, then you do not like purple."
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."
400

If an angle is 90 degrees, then it is a right angle.

What is "An angle is 90 degrees and it is not a right angle."

500

A tiger has stripes.

What is "If it is a tiger, then it has stripes."
500

If the sky is blue, then a tiger is green.

What is "If a tiger is green, then the sky is blue."

500

If she has a soda, then she likes sugar.

What is "If she does not like sugar, then she does not have a soda."

500

If the moon is out, then it is night time.

What is "If the moon is not out, then it is not night time."

500

If you are not at school, then you are at home.

What is "You are not at school and you are not at home."

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