vocabulary mix
statement terms
Conjectures & Counterexamples
Conditional Statements
100

reasoning that uses examples and observing a pattern

What is inductive reasoning?

100

the placement of the conclusion statement

What is followed after then?

100

Make a conjecture for appt. times:  8:30 am, 9:10 am, 9:50 am 

What is 10:30 am?

100

Write in if-then this true conditional:

School is closed on Monday, February 19th.

What is, "If school is closed, then it is Monday, February 19."?

200

the two words that can be used to combine statements to form compound statements

What is and and or?

200

the placement of the hypothesis

What is followed after if?

200

3, 3, 6, 9, 15

What is 24?

200

Write the converse:  If last month was January, then this month is February.

What is, if this month is February, then last month was January?

300

the opposite of an example, it proves a conjecture is false

What is a counterexample?

300

two or more statements joined by the word and or or

What is a compound statement?

300

Determine true or false,

If angle A is 30 degrees and angle B is 60 degrees, they are complementary.

What is true?  Complementary angles have a sum of 90 degrees.

300

Write the inverse, birds are animals that can fly.

What is, if the animal is not a bird, then it can not fly?


400

A statement is true or false

What is truth value?

400

formed by negating both the hypothesis and conclusion of the conditional

What is inverse?

400

Determine if true or false, if false give counterexample.

If n is prime, then n + 1 is not prime.

False, If n=2, then n+1=3 is a prime number.

400

Write the contrapositive.  A hamster is a rodent.

What is, if an animal is not a rodent, then it is not a hamster.

500

a concluding statement reached using inductive reasoning

What is a conjecture?

500

The converse, inverse and contrapositive are what type of statements

What are related conditionals?

500

1, 1/2, 1/4, 1/8

What is 1/16?

500

True or False (give counterexample)  If the animal cannot fly, then it is not a bat.

What is false, most birds can fly, and they are not bats.