Doing the lawn

Doing the lawn

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about working out the cost of cutting a lawn.
 

Question

Jamie charges $15 per hour worked, plus an additional $20 if he has to bring his own mower.
 
Mrs Gabo has no mower and was charged $65 to have her lawns done.
How long did the job take?

    • 1 hour

    • About 2 hours

    • 3 hours

    • About 3 1⁄2 hours

    • About 4 hours

Show or explain how you decided on your answer.
Task administration: 
This task can be completed with pencil and paper or online (with SOME auto marking).
Level:
4
Curriculum info: 
Maths, Number and Algebra, Equations and expressions
Key Competencies: 
Using language, symbols, and texts
Keywords: 
linear equations, money
Description of task: 
Students calculate the charges for lawn mowing expressed as rate plus set-up cost.
Curriculum Links: 
This resource can help to identify students' ability to use inverse operations to simple linear relationships.
 
Key Competencies
This resource involves showing how to solve a simple linear equation. This relates to the Key Competency: Using language, symbols and text.
 .
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Using symbols and expressions to think mathematically, sets 4-5
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
   

Y8 (06/1996)

Y9 (06/1996)
a)
b) (not marked)		 C [3 hours]
-		 easy
-		 very easy
-