Inductive vs Deductive Reasoning

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

• Deductive

• Inductive

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

• Deductive

• Inductive 

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

• Deductive

• Inductive

IF 3...6...9...12...
AND 24...27...30...?
THEN the next term is going to be 33

• Inductive

• Deductive

IF All even numbers are divisible by 2
AND 28 is even
THEN 28 is divisible by 2

• Inductive

• Deductive

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

• Inductive reasoning

• Deductive reasoning

• Conjecture

• Experiments

What does deductive reasoning use to form its arguments?

• patterns

• specific cases

• observed examples

• facts, definitions, accepted properties, and laws of logic