How much change?

How much change?

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This task is about getting change after buying something.

Question 1Change answer


This is some of the food Maggie sells at her Food Bar.
 
 
 
The table below shows the food some friends bought at Maggie's Food Bar.
Each person had $5.00 to spend.
 
Write in how much change each person got when they bought their food.
 sign for maggie's food bar: small nachos $3.30; mini burger $2; pie $1.50max-s-food-bar.png
Person What they bought Change from $5.00
Aneta 1 mini burger  $
Simon 2 mini burgers   $
David 1 pie  $
Wiremu 2 pies   $
Sarah 1 small plate of nachos  $
Task administration: 
This task can be completed online and has auto marking displayed to students.
Copyright: 
Image: Maggie (iStock)
Level:
2
Curriculum info: 
Maths, Number and Algebra, Number Strategies
Keywords: 
money, addition, subtraction, change
Description of task: 
Students identify the correct change from purchasing food at a food bar.
Curriculum Links: 
This resource can help to identify students' understanding of addition and subtraction of money for the Number strategies .
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Additive thinking, set 5
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y4 (09/2001)

a)

$3.00

very easy

b)

$1.00

very easy

c)

$3.50

moderate

d)

$2.00

moderate

e)

$1.70

difficult
Diagnostic and formative information: 
 

Common error

Likely miscalculation

a)
b)
c)
d)
e)

$2.00
$4.00
$1.50
$3.00
$3.30

Records cost of item, not change given.

b)
d)

$3.00
$3.50

Gives change for cost of one item, not two.

c)
e)

$4.50
$2.70

Does not rename in the dollars place.

e)

$2.30

Has only found difference in dollars place.