(Bi)Conditional Statements
Converse/
Inverse, etc.
Deductive Reasoning
Proofs
100

Name the hypothesis:

If you are an American citizen, then you have the right to vote.

You are an American citizen
100

Write the converse of the following conditional statement:

If a number is odd, then it is not divisible by 2.

If a number is not divisible by 2, then it is odd.

100

Name the two laws of deductive reasoning

Detachment and Syllogism

100

Name the property:

If 6x = 72, then x = 12

Division Property of Equality

200

Write the following as a conditional statement: A polygon with eight sides is an octagon.

If a polygon has eight sides, then it is an octagon.

200

Write the inverse of the following conditional statement:

If I live in Brazil, then I live in South America.

If I do not live in Brazil, then I do not live in South America.

200

Draw a conclusion: If your father buys new gardening gloves, then he will work in his garden. If he works in his garden, then he will plant tomatoes.

If your father buys new gardening gloves, then he will plant tomatoes.

200

Name the property.

If AB = DE, then AB + CD = CD + DE

Addition Property of Equality

300

Write the following as a biconditional statement:

Points in Quadrant III have two negative coordinates.

Points are in Quad 3 iff they have two negative coordinates.

300

Name the contrapositive:

If x = 2, then x^2 = 4.

If x^2 does not equal 4, then x does not equal 2.

300

Make a conclusion and name the law.

If you practice drawing, then your art skills will improve.

Molly draws a lot in her spare time.

Molly's art skills will improve.

Detachment.

300

Name the property:

If AB = CD and CD = 15, then B = 15

Transitive Property of Equality

400

Is the following a good definition? Justify your answer.

Elephants are gigantic animals

No, not a good definition.

Converse is not true.
CE: Blue Whales

400

Is the inverse true? Explain.

If I live in Canada, then I live in North America.

If I do not live in Canada, then I do not live in North America.

Not true, USA, Mexico

400

Come up with your own example for the law of detachment.

I can't wait to hear your examples!

400

Name the property:

<2 = <2

Reflexive Property of Equality

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