Inductive/Deductive Geometry

All right angles are 90 degrees. Angle H is a right angle. Therefore, angle H is 90 degrees.

Which type of reasoning was used here?

• Deductive

• Inductive

Tags

CCSS.3.G.A.1

Vertical angles are congruent, and angle 1 and angle 2 are vertical angles. Therefore angles 1 and 2 are congruent.

What type of reasoning was used here?

• Deductive

• Inductive

Mr. Rodriguez sees 10 angles whose measurements all equal 47.5 degrees. Mr. Rodriguez says "All angles must be equal to 47.5 degrees."

What type of reasoning did Mr. Rodriguez use?

• Deductive

• Inductive

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

• Inductive reasoning
• Deductive reasoning
• Conjecture
• Experiments

Tags

CCSS.5.OA.B.3

This kind of reasoning is used when you know certain properties or facts of a given object, and use those to determine other properties or facts.

• Inductive Reasoning

• Counterexample

• Converse

• Deductive Reasoning

The desks in our classroom all have an area of 411 square inches. Jose says "All desks must have an area of 441 square inches."

Which kind of reasoning is used here?

• Deductive

• Inductive

Is this deductive or inductive ?
all cows are black and white
daisy is a cow
daisy is black and white 

• deductive
• inductive

Using deductive reasoning, which of the following completes the statement to form a valid conclusion?
If it is snowing heavily, then school will be canceled.
If school is canceled, the big test will not be given today.
It is snowing heavily, then...

• Look out for the snowplows while driving to school.
• The big test will not be given today.
• The roads will be hard to drive on.
• You should call the school to see if school is canceled.

What can be concluded from the following statements?  
If Mike rakes leaves, then he bags them .
If Mike bags the leaves then he mows the lawn.

• If Mike mows the lawn then he bags the leaves.
• If Mike bags the leaves then he rakes.
• If Mike does not mow the lawn, then he did not rake the leaves.
• If Mike mows the lawn then he bags the leaves.

IF Jimmy named his first child Thing1
AND his second child Thing2
THEN He will name his 3rd child Thing3

• Inductive
• Deductive