Pizza and chicken

Pizza and chicken

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about doing calculations on word problems.

Question 1Change answer

a)  Timona School planned a lunch with a special order of pizzas for each class.
     They decided to order a pizza for every 4 children plus 1 extra for the class teacher. 
     How many pizzas would be needed for a class with ...
  1. 20 children? 
  2. 32 children? 

Question 1Change answer

b)  Happy Hens frozen chickens had the following cooking instructions written on them.
  1. Defrost for 30 minutes in microwave.
  2. Cook in microwave on medium for 20 minutes per kilogram.
     How much total microwave time is needed for a chicken that weighed:
  1. 2 kilograms?  minutes
  2. 1.5 kilograms?  minutes
Task administration: 
This task can be completed with pencil and paper or online (with auto marking displayed to students).
Level:
4
Curriculum info: 
Maths, Number and Algebra, Equations and expressions
Keywords: 
linear equations, multiplication
Description of task: 
Students solve linear equations based on pizza orders and cooking times.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Multiplicative thinking, sets 6-7
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 (09/2000)

a)

i)
ii)

6
9

difficult
easy

b)

i)
ii)

70
60

moderate
moderate
Diagnostic and formative information: 
 

Common error

Likely reason

a) i)
    ii)

5
8

Did not account for teacher's pizza.

b) i)
    ii)

40
30

Did not include defrost time.