Indoor cricket scores

Indoor cricket scores

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
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Further Resources
This task is about calculating with negative numbers.

illustration: indoor cricket


In a game of indoor cricket one point is given for every run and five points are taken off each time a wicket is lost.

Write down the final score for each of these teams.
 
a)
 
A team is on ⁻10 points. They get 30 more runs but lose another 5 wickets.
 
They now have __________ points.
 
b)
 
A team is on 11 points. They lose another 4 wickets but get 17 more runs.
 
They now have __________ points.
 
c)
 
A team is on 26 points. They lose another 6 wickets but get 38 more runs.
 
They now have __________ points.
 
d)
 
A team is on ⁻19 points. They get 22 more runs but lose another 8 wickets.
 
They now have __________ points.
Task administration: 
This task is completed with pencil and paper only.
Levels:
4, 5
Description of task: 
Students perform calculations on indoor cricket scores, which include negative numbers.
Curriculum Links: 
This resource can help to identify students' ability to apply additive strategies flexibly to decimals and integers.
Learning Progression Frameworks
This resource can provide evidence of learning associated with within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y10 (11/1999)

a) 5 easy
b) 8 easy
c) 34 easy
d) 37 easy
Diagnostic and formative information: 
  Common error Likely calculations Likely reason
a)
b)
c)
d)
15
24
58
⁻5
10 + 30 + 5
11 + 4 + 17
26 + 6 + 38
19 + 22 + 8
Assumes only 1 point lost per wicket.