Weighing meat

Weighing meat

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Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about weight.
Here are some packs of meat in the supermarket.
 

BBQ Steak Roast

chops.png

0.450 kg

steak.v2.png

0.850 kg

roast.png

1.2 kg
Beef Sausages

meat.png

0.352 kg

sausages.png

0.56 kg

Question 2Change answer

a)  Which pack of meat is the heaviest? BBQSteakRoastBeefSausages

Question 2Change answer

b)  A recipe uses 1 kilogram of beef.
 
     How many packets of the beef would you need to buy? 

Question 2Change answer

c)  Write the weight in grams of
 
  
     i) the beef (0.352 kg)  grams
     ii) the roast (1.2 kg)  grams
     iii) the sausages (0.56 kg)  grams

Question 2Change answer

d)  Which pack of meat is closest to 1 kg?   BBQSteakRoastBeefSausages
Task administration: 
This task can be completed with pencil and paper or online with auto-marking.
Level:
3
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
weight, conversion of units, ordering numbers, decimals
Description of task: 
Students identify the largest weight of cuts of meat, and convert kilograms into grams.
Curriculum Links: 
This resource can help to identify students' understanding of working with measurement units for weight/mass.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Measurement sense, set 5
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y7 (03/1999)
a)   Roast easy
b)   3 moderate
c) i)
ii)
iii)		 352
1200
560		 moderate
difficult
very difficult
d)   Steak very difficult

NOTE: Accept weight instead of names for a) and d).

Diagnostic and formative information: 
  Common error Likely reason
c) ii) 1000.2
1002
1020		 Error in place value of the 0.2 in 1.2 kg.
c) iii) 56 0.56 kg read as 56 g.
c)  i)
ii)
iii)		 35.2
120
56		 Uses 100 g = 1 kg.
d)   Roast Only meat with more than a whole kg, i.e., has 1 as part of its weight.