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Inductive and deductive reasoning

Total questions: 31

Worksheet time: 3hrs 35mins

Name
Class
Date
1.
Using the statements:
If it is Friday, then I will get paid.
It is Friday.
What is the conclusion?
a)
It is not Friday
b)
It is Friday
c)
I will not get paid
d)
I will get paid
2.
What conclusion can be drawn from the following statements?
If the sun is shining, then it is a beautiful day.  
If it is a beautiful day, then we will have a picnic.
a)
If the sun is shining, then it is a beautiful day.
b)
If it is a beautiful day, then the sun is shining.
c)
If the sun is shining, then we will go on a picnic.
d)
If we go on a picnic, then the sun is shining.
3.
What is the correct outcome based on the statement?
A dog with proper training will not misbehave.
a)
If a dog has proper training, then it will not misbehave.
b)
If a dog does not behave, then it had proper training.
4.
Deductive reasoning means...
a)
Guessing
b)
Ura nok seblu!
c)
Testing and observing patterns to make conjectures
d)
Making general observations of situations and applying them to specific situations.
5.
__________________________ uses specific observations to make generalizations.
a)
Deductive reasoning
b)
Inductive reasoning
6.
__________________________ uses generalizations to make specific conclusions.
a)
Deductive Reasoning
b)
Inductive Reasoning
7.
IF 3...6...9...12...
AND 24...27...30...?
THEN the next term is going to be 33
a)
Inductive
b)
Deductive
8.
IF All even numbers are divisible by 2
AND 28 is even
THEN 28 is divisible by 2
a)
Inductive
b)
Deductive
9.
IF an apple a day keeps the doctor away.
AND Joe ate an apple every day.
THEN Dr. Dre stayed away.
a)
Inductive
b)
Deductive
10.
Snakes are reptiles and reptiles are cold blooded; therefore, snakes are cold blooded. 
a)
Deductive
b)
Inductive 
11.

Obtuse angles are between 90 degrees and 180 degrees. This angle is 110 degrees, so it is obtuse.

a)

Deductive

b)

Inductive

12.
All chickens that we have seen have been brown; so, all chickens are brown. 
a)
Deductive
b)
Inductive
13.

Inductive Reasoning means...

a)

Guessing without any information

b)

Testing and observing patterns to make conjectures

c)

Drawing conclusions from situations based on facts and definitions

d)

Sounding knowledgeable even when you are not

14.

You see the numbers 2, 4, .... and decide the next number must be a 6


What type of reasoning was used?

a)

Inductive

b)

Deductive

15.
Used to prove that a conjecture is false.
a)
Counterexample
b)
Inductive Reasoning
c)
Concluding statement
d)
Conjecture
16.

Which number is a counterexample to the following statement? :

All numbers that are divisible by 2 are divisible by 4

a)

16

b)

12

c)

28

d)

42

17.

What does deductive reasoning use to form its arguments?

a)

patterns

b)

specific cases

c)

observed examples

d)

facts, definitions, accepted properties, and laws of logic

18.

What are the next two terms in the following sequence?

5, 10, 20, 40, ...

a)

60, 80

b)

80, 160

c)

65, 130

19.

What are the next two terms in the following sequence?

1, -1, 2, -2, 3, -3, ...

a)

3, -4

b)

4, 5

c)

4, -4

d)

-4, 4

20.

What is the color of the 15th figure?

a)

Purple

b)

Red

c)

Teal

21.

What shape would the 17th figure be?

a)

Circle

b)

Triangle

c)

Square

d)

Star

22.

Look for a pattern.

What are the next two terms in the sequence?

7, 14, 21, 28, ...

a)

30, 35

b)

34, 40

c)

35, 42

d)

42, 49

23.

What are the next two terms in the following sequence?

5, 10, 20, 40, ...

a)

60, 80

b)

80, 160

c)

65, 130

24.

What are the next two terms in the following sequence?

1, -1, 2, -2, 3, -3, ...

a)

3, -4

b)

4, 5

c)

4, -4

d)

-4, 4

25.

What is the color of the 15th figure?

a)

Purple

b)

Red

c)

Teal

26.

What shape would the 17th figure be?

a)

Circle

b)

Triangle

c)

Square

d)

Star

27.

Look for a pattern.

What are the next two terms in the sequence?

7, 14, 21, 28, ...

a)

30, 35

b)

34, 40

c)

35, 42

d)

42, 49

28.

If I miss my bus, then I’ll be late for school.

I miss my bus.

a)

No valid conclusion possible

b)

Yes, using the Law of Detachment

c)

Yes, using the Law of Syllogism

29.
What are the missing numbers in this pattern?
12, 15, ___, 21, ____, 27
a)
18,23
b)
18, 24
c)
17, 25
d)
17, 24
30.
a)
1
b)
15
c)
20
d)
12
31.
Where would the next red square be?
a)
bottom left
b)
top right
c)
top left
d)
bottom right

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