INDUCTIVE AND DEDUCTIVE REASONING

The Giants have lost their last seven games. Thus, they will probably lose their next game.

What type of reasoning was used?

• Inductive

• Deductive

All students go to school. You are a student. Therefore you go to school.

What type of reasoning was used?

• Inductive

• Deductive

In the first month of school, Ian is late every Monday so he will be late next Monday too.

What type of reasoning was used?

• Inductive

• Deductive

Since today is Friday, tomorrow will be Saturday.

What type of reasoning was used?

• Inductive

• Deductive

Since it rained every christmas day for the past four years it will rain on christmas day this year.

What type of reasoning was used?

• Inductive

• Deductive

A child examines ten tulips from a crop, all of them are red, and concludes that all tulips must be red.

What type of reasoning was used?

• Inductive

• Deductive

Which of the following shows inductive reasoning?

• Obtuse angles are greater than 90 degrees. This angle is 110 degrees, so it is obtuse.

• Snakes are reptiles and reptiles are cold blooded; therefore, snakes are cold blooded.

• All observed houses on South Street have roofs that are falling apart. Sherry lives on South Street. Her roof is falling apart.

The type of reasoning where a person makes conclusions based on observations and patterns is called...

• Inductive reasoning

• Conjecture

• Deductive reasoning

• Experiments

What does deductive reasoning use to form its arguments?

• patterns

• observed examples

• specific cases

• recognized rules, laws and theories

Determine if inductive or deductive reasoning is being used.

Matt knows that high school football games are on Friday nights. Since today is Friday, he concludes there will be a football game tonight.

• Inductive

• Deductive