Different capacities

Different capacities

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Overview
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Connecting to the Curriculum
Marking Student Responses
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Further Resources
This task is about converting measurement units for volume.
soda bottles two.png
Mara is having a birthday party. Mum wants to know how much fizzy drink to buy.
She needs to work out how many glasses can be filled from bottles of different size.

Question 2Change answer

a)  How many 250 millilitre glasses are there in

     i)   a 1.5 litre bottle? 

     ii)  a 2 litre bottle? 

Question 2Change answer

b)  Mum buys three 2 litre bottles. 
     How many 250 millilitre glasses could she fill from the three bottles?  

Question 2Change answer

c)  If 10 children come to the party and each child drinks two 250 millilitre glasses of fizz,
     how many litres of fizzy drink will they have drunk altogether?   litres
Task administration: 
This task can be completed with pencil and paper or online (with auto-marking displayed to students).
Level:
4
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
capacity, conversion of units
Description of task: 
Students convert millilitres to litres and vice versa when working out quantities of bottles and glasses of fizzy drink for a party.
Curriculum Links: 
This resource can help to identify students' understanding of measurement units of capacity (Measurement) and multiplicative strategies (Number strategies).
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Measurement sense, sets 6-7
Multiplicative thinking, sets 6-7
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y8 (06/2000)

a)

i)
ii)

6
8

easy
easy

b)

  

24 [accept c) ii) × 3]

easy

c)

  

5

difficult
Diagnostic and formative information: 
 

Common error

Likely reason

c)

5000

Uses ml rather than litres.

c)

50 or 500

Uses wrong number of ml per litre.

c)

2.5 or 2500

Ignores that each child has two drinks.