Three coin throws

Three coin throws

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about probability as a fraction.

A coin was flipped 3 times.

Write the letter on the number line above to show the probability of each outcome.

The first one has been done for you.

 

 

a)
 
b)
 
c)
 
d)
 
e)
 
f)		 Outcome A: There were 4 heads.
 
Outcome B: There were fewer than 4 heads.
 
Outcome C: There were 3 heads.
 
Outcome D: There were less than 3 heads.
 
Outcome E: There were 2 or 3 heads.
 
Outcome F: There was exactly 1 head.
Task administration: 
This task is completed with pencil and paper only.
Level:
5
Curriculum info: 
Maths, Statistics, Probability
Keywords: 
probability
Description of task: 
Students use a number line to show as a fraction, the probability of the outcomes of different coin throws.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Interpreting statistical and chance situations, set 5
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y11 (03/2001)

NOTE: Also accept answer to D as 1 minus answer given for C.

All 5 correct – very difficult

3-4 correct – very difficult

2 correct – difficult