Ratio of this to that

Ratio of this to that

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about calculating ratios.
a)   
Two attendants at a Dogs' Home had 30 dogs to care for. The two attendants cared for the dogs in the ratio 8 : 7.
How many dogs did each attendant care for?
 
Attendant 1 __________ : Attendant 2 __________
 
      
b)   
When William's brother helped him deliver newsletters, William said he would divide his wage of $30 with him in the ratio 5 : 1.
How much did each boy get?
 
William $ __________ : Brother $ __________
 
   
c)   
Huia and Nan had 300 potatoes to peel for the hākari. Huia peeled 3 potatoes for every 7 Nan peeled.
How many potatoes did each of them peel?
 
Huia __________ : Nan __________   
 
   
d)   
Meri and her son planted 600 onions in the market garden. She planted 3 onions to each onion her son planted.
How many did they each plant?
 
Meri __________ : Son __________
 
   
e)   
Jane and Sue shared 120 jelly beans in the ratio 2 : 3.
How many did each girl get?
 
Jane __________ : Sue __________
   
Task administration: 
This task is completed with pencil and paper only.
Level:
5
Keywords: 
Description of task: 
Students compute how much each of two people get when given amounts are divided according to given ratios in a variety of contexts.
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: 

 

 

Y9 (11/1996)

a) 16 : 14 moderate
b) 25 : 5 or 25.00 : 5.00 difficult
c) 90 : 210 difficult
d) 450 : 150 difficult
e) 48 : 72 difficult