# Deductive and inductive reasoning

7 videos
You will hear the words "deductive reasoning" and "inductive reasoning" throughout your life. This very optional tutorial will give you context for what these mean.

### Inductive & deductive reasoning

VIDEO 2:00 minutes
Sal discusses the difference between inductive and deductive reasoning by considering a word problem.

### Deductive reasoning

VIDEO 3:57 minutes
Sal analyzes a solution of a mathematical problem to determine whether it uses deductive reasoning.

### Using deductive reasoning

VIDEO 4:11 minutes
Sal uses deductive reasoning to prove an algebraic identity.

### Inductive reasoning

VIDEO 2:21 minutes
Sal analyzes a solution of a mathematical problem to determine whether it uses inductive reasoning.

### Inductive reasoning (example 2)

VIDEO 3:03 minutes
Sal analyzes a solution of a mathematical problem to determine whether it uses inductive reasoning.

### Using inductive reasoning

VIDEO 2:07 minutes
Sal uses inductive reasoning to find an expression for the nth number in the sequence 6, 9, 12, 15,....

### Using inductive reasoning (example 2)

VIDEO 6:34 minutes
Sal uses inductive reasoning in order to find the 50th element of a pattern toothpick shapes.