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A Chance Line

In this worksheet, students decide how likely an event is to happen using a probability scale.

'A Chance Line' worksheet

Key stage:  KS 3

Curriculum topic:  Probability

Curriculum subtopic:  Record, Describe and Analyse Probability Experiments

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

Probability is measured on a scale from 0 to 1.

 

 

 

If something is impossible, it has a probability of 0 that it will happen.

If something is just as likely to happen as not (even chance), it has a probability of ½ that it will happen.

If something is certain, it has a probability of 1 that it will happen.

 

 

Which letter on this scale represents the word CERTAIN when we are talking about the chance of something happening.

 

 

A

B

C

D

E

F

Which letter on this scale represents the word IMPOSSIBLE when we are talking about the chance of something happening.

 

 

A

B

C

D

E

F

Which letter on this scale represents the word UNLIKELY when we are talking about the chance of something happening.

 

 

A

B

C

D

E

F

Which letter on this scale represents an EVEN CHANCE when we are talking about the chance of something happening.

 

 

A

B

C

D

E

F

Which letter on this scale represents the words VERY LIKELY when we are talking about the chance of something happening.

 

 

A

B

C

D

E

F

Which letter on this scale represents the word LIKELY when we are talking about the chance of something happening.

 

 

A

B

C

D

E

F

Which letter on this scale represents the chance that you will be younger this evening than you were this morning.

 

 

A

B

C

D

E

F

Which letter on this scale represents the chance that you will get tails when you throw a fair coin.

 

 

A

B

C

D

E

F

Which letter on this scale represents the chance that there will be an aeroplane at Heathrow Airport right now.

 

 

A

B

C

D

E

F

Which letter on this scale represents the chance that the author of this question was born on a Monday?

 

 

A

B

C

D

E

F

  • Question 1

Which letter on this scale represents the word CERTAIN when we are talking about the chance of something happening.

 

 

CORRECT ANSWER
F
  • Question 2

Which letter on this scale represents the word IMPOSSIBLE when we are talking about the chance of something happening.

 

 

CORRECT ANSWER
A
  • Question 3

Which letter on this scale represents the word UNLIKELY when we are talking about the chance of something happening.

 

 

CORRECT ANSWER
B
  • Question 4

Which letter on this scale represents an EVEN CHANCE when we are talking about the chance of something happening.

 

 

CORRECT ANSWER
C
  • Question 5

Which letter on this scale represents the words VERY LIKELY when we are talking about the chance of something happening.

 

 

CORRECT ANSWER
E
  • Question 6

Which letter on this scale represents the word LIKELY when we are talking about the chance of something happening.

 

 

CORRECT ANSWER
D
  • Question 7

Which letter on this scale represents the chance that you will be younger this evening than you were this morning.

 

 

CORRECT ANSWER
A
  • Question 8

Which letter on this scale represents the chance that you will get tails when you throw a fair coin.

 

 

CORRECT ANSWER
C
  • Question 9

Which letter on this scale represents the chance that there will be an aeroplane at Heathrow Airport right now.

 

 

CORRECT ANSWER
F
  • Question 10

Which letter on this scale represents the chance that the author of this question was born on a Monday?

 

 

CORRECT ANSWER
B
---- OR ----

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