Working out the weight

Working out the weight

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about working out the total weight of a number of objects.
illustration: bag of sugar
a)
A box contains 24 bags of sugar. Each bag weighs 0.5 kg. What is the weight of sugar in a full box?
  (A)
(B)
(C)
(D)
(E)
6 kg
12 kg
18 kg
24 kg
None of these. The weight is __________ kg.
 
illustration: open dictionary
b)
A dictionary weighs 1.6 kg. How much will 8 dictionaries weigh?
  (A)
(B)
(C)
(D)
(E)
1.6 kg
2 kg
8 kg
8.8 kg
None of these. The weight is __________ kg.
 
illustration: books
c)
A bookseller wants to send 12 textbooks to a school. Each book weighs 0.75 kg. The heaviest parcel that can be sent in the mail is 3 kg.
How many parcels will the bookseller need to send?
  (A)
(B)
(C)
(D)
(E)
3
4
6
12
None of these. The number of parcels is __________.
Task administration: 
This task is completed with pencil and paper only.
Level:
4
Description of task: 
Students answer multiple-choice questions involving total weight and a number of objects.
Curriculum Links: 
This resource can help to identify students' ability to apply multiplicative strategies flexibly to whole numbers and decimals.
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: 
  

Y8 (10/1997)

a) B moderate
b) E
12.8
moderate
c) A moderate