Target arrows

Target arrows

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 target has four bands with scores of 25, 10, 5, and 1.
An arrow which lands on the target has an equal chance of landing on any of the 49 squares.
 
a)
 
What is the probability (written as a fraction) that the arrow gets a score of
 
 
i)
 
ii)
25?   __________
 
5?   __________
 
b)
What is the probability (written as a fraction) that the arrow gets a score that is
 
 
i) 
 
ii)
less than 10?   __________
 
an even number?   __________
Task administration: 
This task is completed with pencil and paper only.
Level:
4
Curriculum info: 
Maths, Statistics, Probability
Keywords: 
probability, fractions
Description of task: 
Students use fractions to describe the probability of an arrow landing on different bands of a target.
Curriculum Links: 
This resource can be used to help to identify students' understanding of writing likelihoods as fractions, decimals or percentages.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Interpreting statistical and chance situations, sets 4-5
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y8 (03/2001)

a)

i)

ii)

easy

moderate

b)

i)

ii)

moderate

moderate