How many coins?

How many coins?

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about working out how many coins make up a given amount of money.
stack of coins
a)
Terri has some 50 cent and 20 cent coins in her piggybank. They have the same number of each coin, and no other coins.
 
If the coins are worth a total of $3.50, how many of each coin do they have? __________
 
b)
Chloe has $1.80 worth of 10 cent and 20 cent coins. She has the same number of 10 and 20 cent coins, and no other coins.
 
How many coins does she have altogether? __________
 

You may use this space for working for both questions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Task administration: 
This task is completed with pencil and paper only.
Level:
4
Description of task: 
Students calculate the number of different coins in a given amount of money.
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 (06/1996)

Y9 (06/1996)

a)

5 (or 5 × 50c and 5 × 20c)

easy

very easy

b)

12

moderate

easy